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When to use std::size_t?
...len (str); i < max; i++)
doSomethingWith (str[i]);
You do have to watch out for boundary conditions of course, since it's an unsigned type. The boundary at the top end is not usually that important since the maximum is usually large (though it is possible to get there). Most people just use...
How to wait until an element exists?
...formance issues - the recommended approach is to use a MutationObserver to watch the DOM. It's only supported in newer browsers though, so you should fall back onto DOMNodeInserted when MutationObserver isn't available.
let observer = new MutationObserver((mutations) => {
mutations.forEach((mut...
Unix - copy contents of one directory to another [closed]
...restart it if you abort it while copying. I like "-v" because it lets you watch what is going on but you can omit it.
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A simple example for someone who wants to understand Dynamic Programming [closed]
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Seeing this lecture from MIT video.mit.edu/watch/… and then solving the above problems, would help you understand why DP is helpful.
– pg2286
Oct 12 '16 at 11:33
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Can I find out the return value before returning while debugging in Visual Studio?
... can see the return values in the autos windows or use $ReturnValue in the watch/immediate window.
The value can only be seen directly after returning from the function, thus the easiest way to access it is by putting a breakpoint on the function call and step over (F10) the call.
Update for VS2...
targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
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It is really powerful when used properly. Have you watched the Collection View sessions from WWDC 2012? They are really worth watching. Some incredible stuff.
– Fogmeister
Jan 29 '13 at 16:13
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Git search for string in a single file's history
...ws: for /F %i in ('git rev-list --all foo.rb') git grep -F bar %i foo.rb (watch for double-quotes if filename or search phrase has spaces)
– biscuit314
Oct 9 '19 at 16:32
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Why is debugging better in an IDE? [closed]
...ile it is running and immediately see the results of the change
Be able to watch variables, seeing when they change
Be able to skip or repeat sections of code, to see how the code will perform. This allows you to test out theoretical changes before making them.
Examine memory contents in real-time
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Render HTML to an image
...e svg isn't an svg for me ... it's just a PNG with an SVG extension ... so watch out.
– kristopolous
May 8 at 22:08
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Random Number Between 2 Double Numbers
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Just watch out if you call GetRandomNumber() in a loop as it will generate the same value over and over
– John Rasch
Jun 30 '09 at 17:25
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