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Difference between DateTime and Time in Ruby
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Newer versions of Ruby (2.0+) do not really have significant differences between the two classes. Some libraries will use one or the other for historical reasons, but new code does not necessarily need to be concerned. Picking one for consistency is probably best,...
How do you access command line arguments in Swift?
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Update 09/30/2015: Updated the example to work in Swift 2.
It's actually possible to do this without Foundation or C_ARGV and C_ARGC.
The Swift standard library contains a struct CommandLine which has a collection of Strings called arguments. So you could switch on arguments like this:
for...
How to get the first non-null value in Java?
... the efficiency reasons that i mentioned above is that an array allocation will happen each time you invoke the var arg version of the method. this could be wasteful for hand-fulls of items, which i suspect will be common usage.
– les2
May 4 '10 at 1...
css transform, jagged edges in chrome
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Lifesaver - this trick has allowed us to re-enable -webkit-transform on a number of sites that previously we were forced to turn transforms off because of anti-aliasing issues. Thanks!
– Darren
Nov 11 '11 at 11:47...
How to add a new audio (not mixing) into a video using ffmpeg?
...dio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4
The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info.
This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast....
jQuery click events firing multiple times
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A click handler ain't a one-off throwaway thing. Especially when it's the bulky if-if-if shown in the question. You're supposed to attach it and let it do its work as long as the page lives.
– Marco Faustinelli
Jun 19 '15 at 5:44
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Convert a string to an enum in C#
... true);
}
StatusEnum MyStatus = "Active".ToEnum<StatusEnum>();
Finally, you may want to have a default enum to use if the string cannot be parsed:
public static T ToEnum<T>(this string value, T defaultValue)
{
if (string.IsNullOrEmpty(value))
{
return defaultValue;
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Why do my list item bullets overlap floating elements
... Strict) page where I float an image alongside regular paragraphs of text. All goes well, except when a list is used instead of paragraphs. The bullets of the list overlap the floated image.
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How to randomly select rows in SQL?
...) value to scale to the min-max values. That way you do not have to define all of the @randomId1...n parameters. I've included an example below using a CTE to populate the initial table.
DECLARE @NumItems int = 100;
DECLARE @minValue int;
DECLARE @maxValue int;
SELECT @minValue = min(id), @maxValu...
Android ListView Divider
...ich rounds to 0. On some devices, that translates to 2-3 pixels, and it usually looks ugly or sloppy
For dividers, 1px is the correct height if you want a 1 pixel divider and is one of the exceptions for the "everything should be dip" rule. It'll be 1 pixel on all screens. Plus, 1px usually looks b...