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Best timestamp format for CSV/Excel?
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Go to the language settings in the Control Panel, then Format Options, select a locale and see the actual date format for the chosen locale used by Windows by default. Yes, that timestamp format is locale-sensitive. Excel uses those formats when parsing CSV.
Even further, if the locale uses cha...
jQuery event to trigger action when a div is made visible
...ns) {
alert('Attributes changed!');
});
var target = document.querySelector('#testdiv');
observer.observe(target, {
attributes: true
});
});
<div id="testdiv" style="display:none;">hidden</div>
<button id="show">Show hidden div</button>
<script type="tex...
Frame Buster Buster … buster code needed
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This answer or mine should be selected :)
– user1646111
Sep 2 '13 at 12:12
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Installed Java 7 on Mac OS X but Terminal is still using version 6
...ied the other explanation but with Maverix there is no panel where you can select a version number and also changing the .bash_profile didn't work. PERFECT!
– Alex Cio
Jan 7 '14 at 21:18
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Random Gaussian Variables
...PI) * Math.Exp(-((x - μ) * (x - μ)) / (2 * σ * σ));
}
Important: Select the interval of y and the parameters σ and μ so that the curve of the function is not cutoff at it's maximum/minimum points (e.g. at x=mean). Think of the intervals of x and y as a bounding box, in which the curve mu...
How to debug PDO database queries?
...gt;setAttribute( PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING );
$db->query('SELECT *******');
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What is the difference between static_cast and C style casting?
...situations where all that is needed is a simple conversion. The ability to select between several different casting operators of differing degrees of power can prevent programmers from inadvertently casting to an incorrect type.
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
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The best practice is selecting the most appropriate one.
.Net Framework 4.0 Beta 2 has a new IsNullOrWhiteSpace() method for
strings which generalizes the IsNullOrEmpty() method to also include other white
space besides empty string.
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Is there an eval() function in Java? [duplicate]
... Java class or method that will do what you want. Your options include:
Select and use some third-party expression evaluation library. For example JEL or any of the half dozen libraries listed here.
Wrap the expression in the Java source code for a class with an eval method, send that to the Jav...
What's the best visual merge tool for Git? [closed]
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meld is tedious with complex diffs, being able to select options like chose b for all unresolved conflicts is much better than having to manually click on the correct arrow for every hunk in meld. Also, being able to merge into a specific output file rather than edit the inp...