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How to replace an item in an array with Javascript?
...edle) {
return !!~haystack.indexOf(needle);
};
// can be used like so now:
if (contains(items, 3452)) {
// do something else...
}
Starting with ES6/ES2015 for strings, and proposed for ES2016 for arrays, you can more easily determine if a source contains another value:
if (haystack.inclu...
What does string::npos mean in this code?
...ution
is to define your own signed value for npos:
const int NPOS = -1;
Now the comparison looks a bit different and even more convenient:
if (idx == NPOS) { // works almost always
...
}
share
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Convert Int to String in Swift
...I see that there is a global toString method (not Int.toString()), anyone know the advantage over using the String() constructor?
– Nilloc
Apr 13 '15 at 1:58
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Linking to other Wiki pages on GitHub? [closed]
... As of May 2014, this appears to have been fixed on GitHub. This answer now works on all pages. However, the preview is still broken.
– drhagen
May 9 '14 at 21:20
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How to replace case-insensitive literal substrings in Java
...uble its absence causes for beginners especially could have been avoided. Now on JDK 7, String still doesn't support this one little addition!
Well anyway, I'll stop griping. For everyone in particular newer to Java, here's your cut-and-paste deus ex machina. As I said, not as elegant and won'...
How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
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Your comment is confusing because it is referring to a now removed line of the original answer.
– Marcel Burkhard
Jun 6 '16 at 19:16
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A top-like utility for monitoring CUDA activity on a GPU
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gpustat now has a --watch option: gpustat -cp --watch
– jayelm
May 12 at 19:43
add a comment
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Remove scrollbar from iframe
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The scrolling attribute on the iframe is now officially obsolete. CSS should be used instead.
– Mike Poole
Nov 30 '17 at 18:12
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Django “xxxxxx Object” display customization in admin action sidebar
...Actions log wasn't showing up the names after I set unicode - I should of known it was just a log stored in the db taking data at the time of creation!
– markwalker_
Sep 11 '12 at 10:45
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How can I read command line parameters from an R script?
... support commandArgs(). littler could be ported to Windows but lives right now only on OS X and Linux.
There are two add-on packages on CRAN -- getopt and optparse -- which were both written for command-line parsing.
Edit in Nov 2015: New alternatives have appeared and I wholeheartedly recommend ...