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Capturing Ctrl-c in ruby
I was passed a long running legacy ruby program, which has numerous occurrences of
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Cannot add or update a child row: a foreign key constraint fails
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Most likely a 0 , replace it by Null if it's the case
– Jeffrey Nicholson Carré
Mar 15 '13 at 21:03
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git pull error :error: remote ref is at but expected
...lete the wrong remote branch (you shouldn't have branches that differ only by case) and then git remote prune origin and everything should work
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Python hashable dicts
...practice either approach should work, though this one might be slowed down by making an unneeded itermediate list -- fixable by s/items/iteritems/ -- assuming Python 2.* as you don't say;-).
– Alex Martelli
Jul 20 '09 at 4:48
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How to pass parameters to a view
...s;
_.bindAll(this, 'render');
},
or use some finer ways as described by @Brave Dave.
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Maintaining the final state at end of a CSS3 animation
...ill-mode: forwards;
The element will retain the style values that is set by the last keyframe (depends on animation-direction and animation-iteration-count).
Note: The @keyframes rule is not supported in Internet Explorer 9 and earlier versions.
Working example
div {
width: 100px;
hei...
What is the difference between “Flush Magento Cache” and “Flush Cache Storage” in magento's cache ma
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@Nicholas if your memcache/apc instance is used by other applications as well they will get flushed too
– Anton S
May 10 '11 at 21:10
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How to determine whether code is running in DEBUG / RELEASE build?
...Preprocessor Macros' for debug to ensure that DEBUG is being set - do this by selecting the project and clicking on the build settings tab. Search for DEBUG and look to see if indeed DEBUG is being set.
Pay attention though. You may see DEBUG changed to another variable name such as DEBUG_MODE.
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sendmail: how to configure sendmail on ubuntu? [closed]
...l.mc
You can test sendmail to see if it is properly configured and setup by typing the following into the command line:
$ echo "My test email being sent from sendmail" | /usr/sbin/sendmail myemail@domain.com
The following will allow you to add smtp relay to sendmail:
#Change to your mail confi...
Unzipping files in Python
...w, usually contents within a zip file are read-only. A good answer is here by "bouke"
– Debug255
Feb 13 '18 at 2:03
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