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How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git , but I haven't pushed the commit to the server yet.
86 Answers
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What does the function then() mean in JavaScript?
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The traditional way to deal with asynchronous calls in JavaScript has been with callbacks.
Say we had to make three calls to the server, one after the other, to set up our
application. With callbacks, the code might look something li...
HTML5 Canvas 100% Width Height of Viewport?
... meaning even when the browser is resized, you need to run your draw loop within a function that resizes the canvas to the window.innerHeight and window.innerWidth.
Example: http://jsfiddle.net/jaredwilli/qFuDr/
HTML
<canvas id="canvas"></canvas>
JavaScript
(function() {
var ca...
How to force garbage collector to run?
...rces garbage collector to run. This is not recommended but can be used if situations arise.
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Subqueries vs joins
I refactored a slow section of an application we inherited from another company to use an inner join instead of a subquery like:
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How to build Qt for Visual Studio 2010
... struggled finding a how-to which provides a stable solution for using Qt with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide.
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
...n:
function isNumeric(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
NOTE: Since parseInt() is not a proper way to check for numeric it should NOT be used.
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Convert JS object to JSON string
If I defined an object in JS with:
26 Answers
26
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What is the difference between “expose” and “publish” in Docker?
I'm experimenting with Dockerfiles, and I think I understand most of the logic. However, I don't see the difference between "exposing" and "publishing" a port in this context.
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Batch file: Find if substring is in string (not in a file)
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Yes, you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original...