Tagz

VirtualBox

• accessing shared folders in VirtualBox

ack

• recursively replace with ack-grep and a little help from ruby and xargs

activerecord

• activerecord check date between
• activerecord change column default
• migrating stuff from the commandline
• generate corresponding sql from a hash of attributes
• getting the database representation's of true/false from ActiveRecord
• get dates in timezone back from ActiveRecord
• handling uninitialized constant ActiveRecord::RecordNotFound
• rails listen/notify with postgres

activeresource

• linx #2

ajax

• chrome and chunked responses

amazon

• decoding encoded amazon authorization messages
• amazon sns http endpoint post
• viewing an opsworks logfile

android

• react-native unable to download js bundle
• scaloid android scala

angular

• angular1 controllerAs with ngRoute
• angular4 No provider for ControlContainer
• No Directive annotation found on AppComponent

angular1

• angular1 controllerAs with ngRoute

angular4

• angular4 No provider for ControlContainer

angularjs

• angularjs controller, required by directive, can't be found
• adding a custom angular validator
• directive with controller in angular
• accessing the target of a click in angularjs
• calling a builtin filter from another angular filter
• accessing an angular service from the browser console
• unknown provider eProvider

ansible

• ansible single host without inventory

api

• refresh_token not sent in google oauth2 response

array

• array in rails yaml translation files

asset

• asset digest in node.js

async

• javascript map async await
• async await in mocha tests

atom

• atom exclude certain extensions when doing a file search

autocompletion

• zsh complete param

autoload

• view autoloaded paths

await

• javascript map async await
• async await in mocha tests

aws

• decoding encoded amazon authorization messages
• amazon sns http endpoint post

backreference

• sed regex replace backreference example

bash

• bash run command until status code is not zero
• linux remove user user is currently logged in
• add a user to a group
• execute bash function over ssh
• bash read line handle case of no newline at end of file
• bash overridable variables in scripts
• bash process substitution while loop
• bash regex capture group
• grep and show only matching part
• timeout command from the shell
• bash run at exit
• keeping a bash script running forever
• handling ctrl-c in a bash script
• execute a command until success in bash
• making bash functions inheritable by subshells
• bash pipe exit code

beeline

• hive and beeline in cloudera

big

• splitting a big file into multiple smaller ones

binary

• comparing binary files

boot

bower

• install bower components on heroku build

brew

• brew llvm 3.9.0 installation error

build

• sublime custom build system with login shell
• set a custom buildpack for heroku

c++

• Compiling threads under ubuntu
• Compiling cpp code using a rakefile

capistrano

• capistrano invoke task with params
• ssh agent forwarding for github deploys

capture

• osx capture output of running process

capybara

• setting headers on the capybara driver
• capybara login using warden helpers
• running tests for capybara webkit in a headless environment
• capybara checkbox

cassandra

• BindException Can't assign requested address Service 'sparkDriver' failed after 16 retries
• find out version of cassandra used

cats

• My First Post on Jekyll

celluloid

• intro to celluloid

centos

• ssh log files on centos
• centos install epel
• pyconfig.h no such file or directory
• sftp permission denied on chrooted centos

chef

• chef remote_file progress
• generate chef repo
• using the hostonly ip with chef and vagrant
• preparing with automatic deployments for a new server with chef
• detecting if chef is ran under vagrant
• cannot load such file -- rvm chef vagrant
• foodcritic ignore rule
• chef runit example
• random examples of working with knife zero
• iterating over the contents of a data bag
• simple chef-zero setup
• on configuring chef-server locally
• setting chef environment for zsh with chef-dk

chef-server

• on configuring chef-server locally

chef-zero

• random examples of working with knife zero
• simple chef-zero setup

chrome

• selenium webdriver chrome headless
• remove yellow color from fields chrome autocomplete
• chromedriver logs from python
• chrome and chunked responses
• restart chrome
• fixing chrome's open link blank page behaviour

chromedriver

• chromedriver logs from python

chroot

• sftp permission denied on chrooted centos

chunked

• chrome and chunked responses

cloudera

• hive and beeline in cloudera

code

• My First Post on Jekyll

coffee

• connection management with node.js

coffeescript

• connection management with node.js
• jquery prevent enter from submitting
• calling a builtin filter from another angular filter
• javascript arguments array
• Using underscore js in an erb template

command

compile

• Compiling threads under ubuntu
• Compiling cpp code using a rakefile

console

• running rake tasks from the rails console

controller

• disable parameter wrapping in rails
• listing all filters in a controller in rails 3.2.13

conversion

• convert pdf to png with imagemagick

cookie

• iframe, cookies and IE

cordova

• cordova connection error

crt

• generate pem file from crt and key

crystal

• compiling crystal from sources on OSX El Capitan
• Program received and didn't handle signal TRAP
• crystal lang Time strftime
• crystal http request example

css

• remove yellow color from fields chrome autocomplete
• css selector excluding class
• css selector not has child
• My First Normal Post on Jekyll

csv

• long lines in csv reports

cucumber

• using should_receive with cucumber

curl

• curl with proxy
• curl post json body from file
• toxiproxy with curl
• curl basic auth
• debug cors with curl
• timing out with curl
• curl GET request with json

database

• golang goqu ignore struct field
• golang database column tags

date

• golang build time object for specific datetime
• adding time in go
• get dates in timezone back from ActiveRecord

datetime

• golang build time object for specific datetime
• add hours to a datetime object

debug

• adding Println statements in golang stdlib
• golang debug specific test from compiled binary
• debug go tests with dlv
• configuring a pry console
• tracing ruby method calls
• Println debugging go libs
• debugging elixir/phoenix tests
• quick debugging in ruby when pry is not available
• inspecting objects with node util inspect
• production debugging using ActionDispatch::Integration::Session from the command-line
• starting rails console with pry
• rbtrace ruby debug production mode
• irb config

delve

• debug go tests with dlv

deploy

• set a custom buildpack for heroku

devise

• capybara login with user scope

diff

• vim compare two files in a split
• comparing binary files

docker

• docker run command in already executing container
• linx #1

dogs

• My First Post on Jekyll

dot

• convert dot file to png

ecto

• ecto simple update
• performing a count operation in ecto
• preloading associations in elixir

electron

• package electron app for osx

elixir

• httpoison post example
• elixir supervised tasks
• iex config file
• Could not load got :badfile
• elixir uppercase letter regex
• ecto simple update
• elixir get information about a module
• elixir simple regex capture
• debugging elixir/phoenix tests
• performing a count operation in ecto
• preloading associations in elixir
• phoenix generate model migration
• elixir [error] backend port not found :inotifywait in ubuntu
• elixir in ubuntu 15.10
• recompile module from iex
• output any value to stdout in elixir
• stopping an infinite stream in elixir

emacs

• starting emacs in terminal

ember

• run custom jquery in ember route
• ember check if model settled before displaying
• call ember action from another action

encoding

• long lines in csv reports
• convert between encodings from the command line

environment

• create-react-app environment variables
• environment variables in nginx

epel

• centos install epel

erlang

• stopping an infinite stream in elixir

error

• bash pipe exit code

es6

• generate range of numbers in es6

eventmachine

• eventmachine 1.0.3 in osx
• check if eventmachine httpclient is succesful
• proxying with EventMachine

executable

• executable flag with git

expect

• automating the commandline using ruby

explorer

express

• node reverse proxy

facebook

• starting out with facebook flow

file

• splitting a big file into multiple smaller ones

filter

• listing all filters in a controller in rails 3.2.13

firewall

• accessing github over port 443

fitness

• get shredded split

flow

• facebook flow comment types
• fix vscode flow Type aliases can be used only in a .ts file
• react import type defined in another file
• check non-standard extensions with facebook flow
• facebook flow check single file
• starting out with facebook flow

foodcritic

• foodcritic ignore rule

forward

• ssh agent forwarding for github deploys
• forward postgres from within vagrant to host

ftp

• sftp permission denied on chrooted centos

function

• execute bash function over ssh
• find out where a function is defined in zsh

gdb

• debugging go with gdb

gem

• libv8 and ruby racer issues on el capitan
• adding a bin/console to your gem
• automating the commandline using ruby
• install nokogiri with sys libraries
• facets

git

• git merge unrelated histories
• go RPC failed; HTTP 301 curl 22 The requested URL returned error 301
• git verbose pull
• find all git commits that contain a file
• export gitbook as pdf
• accessing github over port 443
• ignore commits by an author in git log
• git grep in commits that may be dangling
• ours and theirs in git rebase
• check which gitignore ignores your file
• git log line range
• git error cannot lock ref
• cloning with different ssh key from github
• ignore git files only locally
• git worktree is already checked out at
• git multiple worktrees
• git grep by commit msg
• view version of a file from a certain git branch
• git export and apply patch
• git push all remote branches and tags to new remote
• executable flag with git
• finding git commits with a specific string
• git diff when you have a file with the same name as a branch
• finding git branches that contain a commit
• applying reject git patch
• delete a remote git tag
• git pull with rebase
• setting a global gitignore file
• git read tree to move files around
• command to delete a lot of unnecessary git branches

gitbook

• export gitbook as pdf

github

• accessing github over port 443
• cloning with different ssh key from github
• ssh agent forwarding for github deploys

gitignore

• setting a global gitignore file

gnome-shell

• fixing hibernation on ubuntu 16.04

go

• golang build time object for specific datetime
• go RPC failed; HTTP 301 curl 22 The requested URL returned error 301
• useful aliases for profiling go performance
• golang redirect os.Stdout
• golang include sha information in your binary
• adding Println statements in golang stdlib
• golang unix timestamp
• golang goqu ignore struct field
• golang switch case fallthrough
• golang debug specific test from compiled binary
• golang blank struct when unmarshalling json
• golang database column tags
• embedding binary data as string literals
• golang Writer on []byte
• debug go tests with dlv
• pongo2 register custom function
• golang time in different timezones
• adding time in go
• linx #4
• linx #1
• go extension manager

golang

• golang build time object for specific datetime
• go RPC failed; HTTP 301 curl 22 The requested URL returned error 301
• useful aliases for profiling go performance
• golang redirect os.Stdout
• adding Println statements in golang stdlib
• golang unix timestamp
• golang goqu ignore struct field
• golang switch case fallthrough
• golang debug specific test from compiled binary
• golang blank struct when unmarshalling json
• golang database column tags
• embedding binary data as string literals
• golang NewTimer and timing out a loop
• debug go tests with dlv
• Println debugging go libs
• golang time in different timezones
• debugging go with gdb
• golang array to variadic

google

• access google+ API from node.js
• allow permanent access to any app to your google account
• refresh_token not sent in google oauth2 response

google

• access google+ API from node.js
• allow permanent access to any app to your google account
• refresh_token not sent in google oauth2 response

graphviz

• convert dot file to png

greenletters

• automating the commandline using ruby

grep

• grep and show only matching part

groovy

• printing to output with groovy in a jenkins postbuild step

gunzip

• gunzip without overwriting interactively

gzip

• gzip file and keep it from being deleted

hadoop

• hiveserver2 view detailed logging output
• zeppelin hive ClassNotFoundException
• find port where hdfs is listening
• view logs for a hadoop jar execution

hbase

• hbase scan example
• java hbase obtain column families for a particular table

hdfs

• hive create table from parquet file
• find port where hdfs is listening

heroku

• push local database to heroku
• install bower components on heroku build
• set a custom buildpack for heroku
• migrating a heroku database

hibernate

• kotlin data class spring default constructor

hipchat

• hipchat with software rendering

hive

• hiveserver2 view detailed logging output
• zeppelin hive ClassNotFoundException
• hive create table from parquet file
• hive and beeline in cloudera

homebrew

• postgresql installed via homebrew that won't start
• brew readline upgrade issue

html

• remove yellow color from fields chrome autocomplete
• My First Normal Post on Jekyll

http

• chrome and chunked responses
• crystal http request example
• check if eventmachine httpclient is succesful

httparty

• HTTParty timeout

httpoison

• httpoison post example

huginn

• Parse data from another agent using WebsiteAgent in huginn
• using rvm from a shell agent

i18n

• array in rails yaml translation files
• view list of yaml files loaded by I18n

iex

• iex config file
• debugging elixir/phoenix tests
• recompile module from iex

iframe

• iframe, cookies and IE

ignore

• webpack ignore plugin
• setting a global gitignore file

image

• convert pdf to png with imagemagick

index

• creating and debugging mongo indexes

internet

ionic

• cordova connection error

irb

• adding a bin/console to your gem
• irb config

iterm

• iterm2 commands

iterm2

• iterm2 back in time

jackson

• java deserialization with jackson

jar

• scala.runtime.VolatileObjectRef.zero() when submitting job to spark

java

• spring devtools idea settings
• java deserialization with jackson
• hbase scan example
• java hbase obtain column families for a particular table
• using maven exec to run a class in a multi module maven setup
• BindException Can't assign requested address Service 'sparkDriver' failed after 16 retries
• maven surefire run with test timeout option
• fixing java.awt.HeadlessException when starting AVD under ubuntu linux

javacript

• string compare in javascript

javascript

• javascript map async await
• selenium webdriver chrome headless
• facebook flow comment types
• redux form inputs not updating
• javascript find element at coordinates
• angular1 controllerAs with ngRoute
• angular4 No provider for ControlContainer
• typescript this implicitly has type 'any'
• redux-form conditional validation
• generate range of numbers in es6
• webpack ignore plugin
• react import type defined in another file
• async await in mocha tests
• react is changing an uncontrolled input of type text to be controlled
• selenium webdriver click select option
• selenium webdriver javascript save screenshot
• monitor files for changes and run command with nodemon
• check non-standard extensions with facebook flow
• facebook flow check single file
• node create readable stream from file contents
• npm install from github
• run custom jquery in ember route
• ember check if model settled before displaying
• call ember action from another action
• No Directive annotation found on AppComponent
• css selector not has child
• linx no.12
• inspecting objects with node util inspect
• typescript instantiate generic type
• starting out with facebook flow
• custom npm scripts
• install bower components on heroku build
• asset digest in node.js
• setting default node version in nvm
• connection management with node.js
• My First Normal Post on Jekyll
• Adjacent XJS react
• linx #5
• cordova connection error
• jquery datepicker change event
• urlencode with jquery
• directive with controller in angular
• accessing the target of a click in angularjs
• calling a builtin filter from another angular filter
• accessing an angular service from the browser console
• unknown provider eProvider
• javascript arguments array
• Using underscore js in an erb template

javscript

• HtmlWebpackPlugin insert dynamic value

jenkins

• printing to output with groovy in a jenkins postbuild step
• triggering remote builds from jenkins

jpa

• kotlin data class spring default constructor

jq

• filtering non-null values from json with jq

jquery

• css selector excluding class
• css selector not has child
• jquery prevent enter from submitting
• jquery datepicker change event
• urlencode with jquery

json

• golang blank struct when unmarshalling json
• find empty json objects in postgres
• filtering non-null values from json with jq
• curl GET request with json
• formatting JSON from the commandline using Python

kerberos

• view principals in a kerberos keytab file

knife

• random examples of working with knife zero

knife-zero

• random examples of working with knife zero

kotlin

• kotlin data class spring default constructor
• spring kotlin Your ApplicationContext is unlikely to start

line

links

• linx #2
• linx #1

linux

• ssh log files on centos
• centos install epel
• linux remove user user is currently logged in
• add a user to a group
• sftp permission denied on chrooted centos
• fixing hibernation on ubuntu 16.04
• getting spotify to work in ubuntu 15.10
• fixing java.awt.HeadlessException when starting AVD under ubuntu linux
• custom monitoring script in ubuntu
• no sound in ubuntu 15.04 skype
• find out your RAM type under ubuntu
• bash pipe exit code
• running tests for capybara webkit in a headless environment
• getting rid of ubuntu menu
• memcached SASL ubuntu
• identifying fs type
• updating to postgresql 9.2.4
• convert between encodings from the command line
• booting without full network configuration

linx

• linx #16
• linx #15
• linx no.14
• linx no. 13
• linx no.12
• linx no.11
• linx no.10
• linx no.9
• linx no. 8
• linx 7
• linx #6
• linx #4
• linx #3

llvm

• brew llvm 3.9.0 installation error

loop

• execute a command until success in bash

lsof

• find program using port

lua

• lua escape special characters
• multiline strings in lua
• executing external commands using lua
• linx no.10
• using the openresty's lua interpreter from the command line
• openresty deny request with access_by_lua
• environment variables in nginx

mac

• linx #16
• osx capture output of running process
• brew readline upgrade issue
• todo list in osx notes app

map

• javascript map async await

mars

• My First Video Post on Jekyll

maven

• using maven exec to run a class in a multi module maven setup
• maven surefire run with test timeout option

mechanize

• handling cookies with Mechanize

memcached

• memcached SASL ubuntu

migration

• activerecord change column default
• migrating stuff from the commandline

minification

• unknown provider eProvider

mocha

• async await in mocha tests

mongo

• creating and debugging mongo indexes

monit

• monit status/stop/start

monitor

• custom monitoring script in ubuntu

mysql

• import sql file
• mysql access denied for user root

nautilus

• nautilus custom context menu actions

neovim

• neovim view who changed expandtab
• vim compare two files in a split
• terminal inside neovim

networking

• vagrant private network and /etc/udev/rules.d/70-persistent-net.rules

newrelic

• manually triggering newrelic errors

nginx

• using the openresty's lua interpreter from the command line
• openresty deny request with access_by_lua
• environment variables in nginx

node

• javascript map async await
• create-react-app environment variables
• node reverse proxy
• selenium webdriver javascript save screenshot
• monitor files for changes and run command with nodemon
• check non-standard extensions with facebook flow
• facebook flow check single file
• access google+ API from node.js
• fixing X11/extensions/XTest.h No such file or directory in ubuntu
• inspecting objects with node util inspect
• typescript instantiate generic type
• string compare in javascript
• custom npm scripts
• install bower components on heroku build
• asset digest in node.js
• setting default node version in nvm
• linx #6
• linx #5

node-red

• decompressing gzip http response with node-red

node.js

• decompressing gzip http response with node-red
• connection management with node.js

nodejs

• package electron app for osx
• node create readable stream from file contents
• npm install from github

nokogiri

• install nokogiri with sys libraries

notes

• todo list in osx notes app

npm

• npm install from github
• linx no.12
• custom npm scripts

nvim

• YouCompleteMe and nvim

nvm

• setting default node version in nvm

oauth2

• refresh_token not sent in google oauth2 response

openresty

• using the openresty's lua interpreter from the command line
• openresty deny request with access_by_lua

opsworks

• viewing an opsworks logfile

optimization

• webpack ignore plugin
• ruby profiling with ruby-prof

os

osx

• linx #16
• osx capture output of running process
• find program using port
• osx remove zombie processes
• package electron app for osx
• YouCompleteMe and nvim
• brew llvm 3.9.0 installation error
• postgresql installed via homebrew that won't start
• brew readline upgrade issue
• iterm2 back in time
• iterm2 commands
• todo list in osx notes app
• ^M instead of enter
• open path in OSX

otp

• elixir supervised tasks

pandas

• simple sorting of csv lines via python and pandas

parallel

• parallelize with space separated args with xargs
• parallel execution with xargs
• gnu parallel processing example

patch

• applying reject git patch

pdf

• convert pdf to png with imagemagick

pem

• generate pem file from crt and key

pg

• postgres reassign owned
• rails listen/notify with postgres
• updating to postgresql 9.2.4

pg_dump

• pg_dump

phoenix

• debugging elixir/phoenix tests
• preloading associations in elixir
• phoenix generate model migration

pip

• install package only for a user with pip

pipe

• bash process substitution while loop

plus

png

• convert pdf to png with imagemagick

pongo2

• pongo2 register custom function

port

• find program using port

postgres

• postgres reassign owned
• postgres sum more than one column
• postgresql installed via homebrew that won't start
• find empty json objects in postgres
• upgrade pg client to 9.4 in trusty
• push local database to heroku

postgresql

• postgresql timeout
• forward postgres from within vagrant to host
• ERROR invalid reference to FROM-clause
• pg_dump
• check if database exists in postgresql
• migrating a heroku database
• updating to postgresql 9.2.4

process

• osx capture output of running process
• bash process substitution while loop

profiling

• useful aliases for profiling go performance
• ruby profiling with ruby-prof

proxy

• node reverse proxy
• curl with proxy
• simulate a slow connection with toxiproxy

proxy

• node reverse proxy
• curl with proxy
• simulate a slow connection with toxiproxy

pry

• configuring a pry console
• debugging elixir/phoenix tests
• adding a bin/console to your gem
• starting rails console with pry

python

• python SimpleHTTPServer ssl
• add hours to a datetime object
• simple sorting of csv lines via python and pandas
• twisted debugging
• scrapy get html from selector
• scrapy unicode utf-8
• chromedriver logs from python
• pyconfig.h no such file or directory
• python selenium webdriver set cookie
• serve files easily using python's SimpleHTTPServer
• python use unicode in doctest
• python shutil.copyfileobj
• scrapy get item instead of list
• using pip and virtualenv from the user folder
• python virtualenv
• install package only for a user with pip
• interesting project
• formatting JSON from the commandline using Python

rails

• check if an association is already loaded
• disable parameter wrapping in rails
• activerecord check date between
• activerecord change column default
• capybara login with user scope
• setting headers on the capybara driver
• enumerable#find raise exception
• ruby hash self merge
• view autoloaded paths
• access the exception object of an rspec test
• view list of yaml files loaded by I18n
• production debugging using ActionDispatch::Integration::Session from the command-line
• listing all rails routes
• test that rails controller rendered a specific layout
• anonymous controllers with rspec
• run rspec test matching regex
• generate corresponding sql from a hash of attributes
• capybara login using warden helpers
• zeus custom plan
• starting rails console with pry
• rbtrace ruby debug production mode
• getting the database representation's of true/false from ActiveRecord
• Input string is longer than NAMEDATALEN 1 (63) on rails4
• long lines in csv reports
• get dates in timezone back from ActiveRecord
• local subdomains in rails
• listing all filters in a controller in rails 3.2.13
• linx #3
• know if you're running under zeus
• running tests for capybara webkit in a headless environment
• running rake tasks from the rails console
• unknown provider eProvider
• capybara checkbox
• manually triggering newrelic errors
• rails listen/notify with postgres

rails4

• Input string is longer than NAMEDATALEN 1 (63) on rails4

rake

• using rake dsl outside of the Rakefile
• running rake tasks from the rails console
• find out where a rake task is defined
• Compiling cpp code using a rakefile

rakefile

• Compiling cpp code using a rakefile

ram

• find out your RAM type under ubuntu

react

• create-react-app environment variables
• redux form inputs not updating
• redux-form conditional validation
• HtmlWebpackPlugin insert dynamic value
• react import type defined in another file
• react is changing an uncontrolled input of type text to be controlled
• Adjacent XJS react

react-native

• react-native unable to download js bundle
• fixing java.awt.HeadlessException when starting AVD under ubuntu linux

readline

• brew readline upgrade issue

rebase

• git pull with rebase

redux

• redux form inputs not updating
• redux-form conditional validation

redux-form

• redux-form conditional validation

regex

• bash regex capture group
• elixir uppercase letter regex
• elixir simple regex capture
• sed regex replace backreference example

rest

• linx #2

reverse

rmagick

• postscript delegate failed

rspec

• capybara login with user scope
• access the exception object of an rspec test
• listing all rails routes
• test that rails controller rendered a specific layout
• anonymous controllers with rspec
• run rspec test matching regex
• capybara login using warden helpers
• using should_receive with cucumber

ruby

• ruby can't dump hash with default proc
• brew readline upgrade issue
• check if an association is already loaded
• disable parameter wrapping in rails
• using the hostonly ip with chef and vagrant
• activerecord check date between
• Vagrant experienced a version conflict with some installed plugins!
• capistrano invoke task with params
• amazon sns http endpoint post
• setting default ruby via rvm
• preparing with automatic deployments for a new server with chef
• configuring a pry console
• ruby configuration info
• cannot load such file -- rvm chef vagrant
• eventmachine 1.0.3 in osx
• foodcritic ignore rule
• chef runit example
• libv8 and ruby racer issues on el capitan
• random examples of working with knife zero
• iterating over the contents of a data bag
• simple chef-zero setup
• on configuring chef-server locally
• setting chef environment for zsh with chef-dk
• Parse data from another agent using WebsiteAgent in huginn
• tracing ruby method calls
• using rvm from a shell agent
• activerecord change column default
• capybara login with user scope
• quick debugging in ruby when pry is not available
• viewing an opsworks logfile
• ruby each_with_object
• adding a bin/console to your gem
• wrocloverb videos
• setting headers on the capybara driver
• gnu parallel processing example
• enumerable#find raise exception
• ruby hash self merge
• view autoloaded paths
• array in rails yaml translation files
• handling cookies with Mechanize
• access the exception object of an rspec test
• view list of yaml files loaded by I18n
• schedule a sidekiq worker to run in a few minutes
• production debugging using ActionDispatch::Integration::Session from the command-line
• using rake dsl outside of the Rakefile
• simulate a slow connection with toxiproxy
• migrating stuff from the commandline
• listing all rails routes
• test that rails controller rendered a specific layout
• anonymous controllers with rspec
• intro to celluloid
• run rspec test matching regex
• automating the commandline using ruby
• generate corresponding sql from a hash of attributes
• capybara login using warden helpers
• postscript delegate failed
• sinatra routes inside a class
• zeus custom plan
• starting rails console with pry
• ruby profiling with ruby-prof
• ruby command line filtering
• rbtrace ruby debug production mode
• HTTParty timeout
• getting the database representation's of true/false from ActiveRecord
• long lines in csv reports
• get dates in timezone back from ActiveRecord
• install nokogiri with sys libraries
• facets
• check if eventmachine httpclient is succesful
• tracing a specific block of code in NewRelic
• local subdomains in rails
• listing all filters in a controller in rails 3.2.13
• linx #3
• linx #2
• know if you're running under zeus
• using should_receive with cucumber
• running tests for capybara webkit in a headless environment
• finding where a class file is defined
• running rake tasks from the rails console
• capybara checkbox
• manually triggering newrelic errors
• handling uninitialized constant ActiveRecord::RecordNotFound
• find out where a rake task is defined
• proxying with EventMachine
• thin with unix sockets
• thread abort on exception
• ruby pg documentation
• doing a request with basic auth
• Compiling cpp code using a rakefile

rubygems

• adding a bin/console to your gem

runit

• chef runit example

rvm

• setting default ruby via rvm
• cannot load such file -- rvm chef vagrant
• using rvm from a shell agent

scala

• scala spark - No TypeTag available
• scala.runtime.VolatileObjectRef.zero() when submitting job to spark
• scaloid android scala

scp

• scp example

scraper

• handling cookies with Mechanize

scrapy

• twisted debugging
• scrapy get html from selector
• scrapy unicode utf-8
• scrapy get item instead of list

security

• interesting project

sed

• extracting a range of lines from a file
• sed regex replace backreference example

selector

• css selector excluding class

selenium

• javascript map async await
• selenium webdriver chrome headless
• chromedriver logs from python
• cannot get automation extension
• javascript find element at coordinates
• python selenium webdriver set cookie
• selenium webdriver click select option
• selenium webdriver javascript save screenshot
• selenium documentation

sftp

• sftp permission denied on chrooted centos

shell

• bash run command until status code is not zero
• gunzip without overwriting interactively
• gzip file and keep it from being deleted
• add a user to a group
• execute bash function over ssh
• bash read line handle case of no newline at end of file
• bash overridable variables in scripts
• bash process substitution while loop
• timeout command from the shell
• terminal inside neovim
• find out where a function is defined in zsh
• keeping a bash script running forever
• handling ctrl-c in a bash script
• launch an editor to write/edit a shell command

sidekiq

• schedule a sidekiq worker to run in a few minutes

signal

• handling ctrl-c in a bash script

sinatra

• sinatra routes inside a class

skype

• no sound in ubuntu 15.04 skype

sns

• amazon sns http endpoint post

sound

• no sound in ubuntu 15.04 skype

spark

• BindException Can't assign requested address Service 'sparkDriver' failed after 16 retries
• scala spark - No TypeTag available
• scala.runtime.VolatileObjectRef.zero() when submitting job to spark

spotify

• getting spotify to work in ubuntu 15.10

spring

• spring devtools idea settings
• java deserialization with jackson
• kotlin data class spring default constructor
• spring kotlin Your ApplicationContext is unlikely to start

spring

• spring devtools idea settings
• java deserialization with jackson
• kotlin data class spring default constructor
• spring kotlin Your ApplicationContext is unlikely to start

sql

• postgres reassign owned
• postgres sum more than one column

ssh

• ssh log files on centos
• easy way to copy ssh key to another machine
• WARNING REMOTE HOST IDENTIFICATION HAS CHANGED
• execute bash function over ssh
• cloning with different ssh key from github
• enabling a user to connect to a machine using his ssh key
• ssh agent forwarding for github deploys
• extracting public ssh key from private ssh key
• activate ssh-agent automatically when opening bash, in windows
• exposing a host service to a vagrant instance

sshfs

• mounting a remote filesystem with sshfs

ssl

• generate pem file from crt and key
• python SimpleHTTPServer ssl

stdout

• osx capture output of running process
• golang redirect os.Stdout

string

• string compare in javascript

subdomain

• local subdomains in rails

sublime

• sublime log commands
• sublime custom build system with login shell

supervisor

• elixir supervised tasks

tag

• delete a remote git tag

task

• elixir supervised tasks

template

• pongo2 register custom function

terraform

• terraform verbose mode

thin

• thin with unix sockets

thread

• thread abort on exception

time

• golang build time object for specific datetime
• add hours to a datetime object
• golang time in different timezones
• get dates in timezone back from ActiveRecord

timeout

• golang NewTimer and timing out a loop
• maven surefire run with test timeout option
• timeout command from the shell

timezone

• golang time in different timezones

tmux

• move a tmux window
• swap panes in tmux
• rename a tmux window

toxiproxy

• toxiproxy with curl
• simulate a slow connection with toxiproxy

tslint

• tslint Error Cannot find module './test/parse'

twisted

• twisted debugging

typescript

• tslint Error Cannot find module './test/parse'
• typescript this implicitly has type 'any'
• typescript instantiate generic type

ubuntu

• fixing hibernation on ubuntu 16.04
• splitting a big file into multiple smaller ones
• upgrade pg client to 9.4 in trusty
• nautilus custom context menu actions
• getting spotify to work in ubuntu 15.10
• fixing X11/extensions/XTest.h No such file or directory in ubuntu
• elixir [error] backend port not found :inotifywait in ubuntu
• elixir in ubuntu 15.10
• fixing chrome's open link blank page behaviour
• react-native unable to download js bundle
• fixing java.awt.HeadlessException when starting AVD under ubuntu linux
• custom monitoring script in ubuntu
• no sound in ubuntu 15.04 skype
• find out your RAM type under ubuntu
• getting rid of ubuntu menu
• memcached SASL ubuntu
• creating a bootable windows usb 7 stick from ubuntu

underscore

• Using underscore js in an erb template

unicode

• elixir uppercase letter regex

unix

• extracting a range of lines from a file

usb

• creating a bootable windows usb 7 stick from ubuntu

v8

• libv8 and ruby racer issues on el capitan

vagrant

• using the hostonly ip with chef and vagrant
• automatically install guest additions in vagrant
• ansible single host without inventory
• Vagrant experienced a version conflict with some installed plugins!
• detecting if chef is ran under vagrant
• cannot load such file -- rvm chef vagrant
• vagrant private network and /etc/udev/rules.d/70-persistent-net.rules
• activate ssh-agent automatically when opening bash, in windows
• forward postgres from within vagrant to host
• exposing a host service to a vagrant instance

videos

• wrocloverb videos
• My First Video Post on Jekyll

vim

• neovim view who changed expandtab
• vim compare two files in a split
• terminal inside neovim
• vimrc per project
• vim delete without cut

virtualbox

• virtualbox dns issues

virtualenv

• python virtualenv

vscode

• fix vscode flow Type aliases can be used only in a .ts file

webdriver

• javascript map async await
• cannot get automation extension
• python selenium webdriver set cookie

webpack

• HtmlWebpackPlugin insert dynamic value
• webpack ignore plugin

wget

• continue a stopped download with wget
• limit download speed with wget

windows

• activate ssh-agent automatically when opening bash, in windows
• creating a bootable windows usb 7 stick from ubuntu

x

x11

• fixing X11/extensions/XTest.h No such file or directory in ubuntu

xargs

• parallelize with space separated args with xargs
• parallel execution with xargs

yaml

• yaml escape quote
• array in rails yaml translation files

yarn

• tslint Error Cannot find module './test/parse'

zeppelin

• zeppelin hive ClassNotFoundException

zeus

• zeus custom plan
• know if you're running under zeus

zsh

• zsh range
• zsh c-style for loop
• find out where a function is defined in zsh
• setting chef environment for zsh with chef-dk
• zsh script to repeatedly check if something changed
• zsh complete param