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Order of member constructor and destructor calls
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142
In other words, are members guaranteed to be initialized by order of declaration and destroyed ...
MySQL CONCAT returns NULL if any field contain NULL
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288
convert the NULL values with empty string by wrapping it in COALESCE
SELECT CONCAT(COALESCE(`...
java.lang.RuntimeException: Unable to instantiate activity ComponentInfo
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42 Answers
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How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
Note t...
How do I get cURL to not show the progress bar?
...m, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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Determine which element the mouse pointer is on top of in JavaScript
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152
DEMO
There's a really cool function called document.elementFromPoint which does what it sounds ...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
My colleagues and I are using VS2012 for some weeks now. Sometimes after working several hours the intellisense is broken. After closing all open tabs it works again.
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
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289
Are you using OS X and Homebrew? The Homebrew python page https://github.com/Homebrew/brew/bl...
Extracting just Month and Year separately from Pandas Datetime column
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edited May 3 '15 at 20:17
answered Aug 5 '14 at 22:18
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A CORS POST request works from plain JavaScript, but why not with jQuery?
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UPDATE: As TimK pointed out, this isn't needed with jquery 1.5.2 any more. But if you want to add custom headers or allow the use of credentials (username, password, or cookies, etc), read on.
I think I found the answer! (4 hours and a lot of cursing later)
//This does not work!!
Acc...