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How do I measure the execution time of JavaScript code with callbacks?
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>I want to know how to measure the time taken by these db insert operations. --- console.timeEnd("dbsave") just outputs to console the timing. You can't use that further and is less flexible. If you need the actual timing value, like i...
Useful code which uses reduce()? [closed]
...The other uses I've found for it besides + and * were with and and or, but now we have any and all to replace those cases.
foldl and foldr do come up in Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list...
Convert Iterable to Stream using Java 8 JDK
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There's a much better answer than using spliteratorUnknownSize directly, which is both easier and gets a better result. Iterable has a spliterator() method, so you should just use that to get your spliterator. In the worst case, it's the same code (the default implementation u...
Setting action for back button in navigation controller
...indexOfObject:self]==NSNotFound) {
// back button was pressed. We know this is true because self is no longer
// in the navigation stack.
}
[super viewWillDisappear:animated];
}
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How to fix homebrew permissions?
I have uninstalled and installed Homebrew 3 times now because it seems to never allow me to install anything as it denies me permissions at the end of most installations.
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How to configure git bash command line completion?
...s not compatible with the version of git you've installed.
In fact, right now that will break because the master branch's git-completion.bash has new features that requires git v2.18, which none of the package managers and installers have updated to yet. You'll get an error unknown option: --list-c...
How to remove a single, specific object from a ConcurrentBag?
...d SynchronizedCollection is available in the Collections.Generic namespace now.
– Lucas Leblanc
Sep 25 '19 at 18:28
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How do I exit a WPF application programmatically?
...he few years I've been using C# (Windows Forms), I've never used WPF. But, now I love WPF, but I don't know how I am supposed to exit my application when the user clicks on the Exit menu item from the File menu.
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TextView Marquee not working [duplicate]
...e tried to use marquee and its not working
here is my code, please let me know where im going wrong
21 Answers
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- how to allow only one item selected?
...ingle value should be selected, remove the attribute and the browser will know to allow only a single selection.
Use the tools you have, that's what they're for.
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