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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
... Ben
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answered May 24 '09 at 18:01
Artem RussakovskiiArtem Russakovskii
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Can I make the foreign key field optional in Django model
...mpty string ('').
– fang_dejavu
Jun 20 '16 at 18:32
8
@Ward, both are not needed. It is sufficien...
How do I measure execution time of a command on the Windows command line?
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If you are using Windows 2003 (note that windows server 2008 and later are not supported) you can use The Windows Server 2003 Resource Kit, which contains timeit.exe that displays detailed execution stats. Here is an example, timing the command "tim...
Android 4.1: How to check notifications are disabled for the application?
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You can't 100% can't.
It is asked in this Google I/O 2012 video and the Project lead for the new notifications declares that you can't.
Edit
2016 update: Now you can check it, as said in this Google I/O 2016 video.
Use NotificationManagerCompat.areNotificationsEnabled(), f...
How to retrieve an element from a set without removing it?
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answered Sep 12 '08 at 20:08
Blair ConradBlair Conrad
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Why should I implement ICloneable in c#?
... a "deep" or "shallow" clone.
See this blog post from Brad Abrams back in 2003(!) for more information.
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Why does this async action hang?
...the tradeoff
– Danilow
Oct 9 '17 at 20:27
Fantastic this worked for me too, my case was also caused by a synchronous m...
What is event bubbling and capturing?
... bubbling. Both are part of the W3C Document Object Model Events standard (2000).
IE < 9 uses only event bubbling, whereas IE9+ and all major browsers support both. On the other hand, the performance of event bubbling may be slightly lower for complex DOMs.
We can use the addEventListener(type,...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...nt this on all the time. This still appears to be an open issue (as of Jan 2011).
See also: Problems with jQuery getJSON using local files in Chrome
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How To Launch Git Bash from DOS Command Line?
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answered Jun 25 '13 at 20:11
EndoroEndoro
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