George Opritescu ♥ Developer from somewhere

debugging go with gdb

go build -gcflags "-N -l" your_file.go

and after that:

gdb ./your_file

Continue with info from here

golang gdb

some_method(your_array...)

golang

git apply --reject --whitespace=fix mychanges.path

git patch

This error occurs because when you rename a table, the indexes are also renamed, and most likely one of your indexes auto-generated name is too long.

rails rails4

The following error:

Error: Parse Error: Adjacent XJS elements must be wrapped in an enclosing tag

Is probably because you are not returning one element, but multiple. So, return:

<div>
  <SomeComponent/>
  <SomeOtherComponent/>
</div>

instead of:

  <SomeComponent/>
  <SomeOtherComponent/>

react javascript

Example take from here

curl -H "Origin: http://example.com" --verbose \
  https://www.googleapis.com/discovery/v1/apis?fields=

curl

import "time"

now := time.Now()
end := now.Add(1 * time.Hour)
// formatting as iso8601
now_string := now.Format(time.RFC3339)

go date

linx

To “timeout” a request after a number of seconds, use the -m switch:

curl -m 5 some_url

And in case the web server doesn’t respond after 5 seconds, curl will exit with an error code.

curl

If you have some CSV files with lines longer than 990 chars, you may notice that the lines get splitted. The fix is described here

attachments['file.csv']= { :data=> ActiveSupport::Base64.encode64(@string), :encoding => 'base64' }

ruby rails csv encoding