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Function in JavaScript that can be called only once
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Reusable invalidate function which works with setInterval etc,.: jsbin.com/vicipar/1/edit?js,console
– Q20
Apr 27 '17 at 23:41
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?
...ou want( for example in firefox you can get the file name, and line number etc.. ; in chrome you get something similar if you read the 'stack' property of the Error instance).
Long story short , you can do something like this:
function errorHandler(error, errorInstance){
this.errorMessage = er...
Using try vs if in python
...xpected never to be empty (but might be, if, for instance, a disk crashed, etc), the second approach makes sense. If, on the other hand, an empty result is perfectly reasonable under normal conditions, testing for it with an if statement makes more sense.
I had in mind the (more common) scenario:
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Incomplete type is not allowed: stringstream
... the class or the individual functions (e.g. Unix man pages, MSDN library, etc.) to figure out what you need to #include to use it and what namespace to find it in if any. You may need to search for pages where the class name appears (e.g. man -k stringstream).
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How to change to an older version of Node.js
....10.10
Note close all your windows where node is running. Browser, editor etc..
You need to first install node. And if you have installed already you can downgrade the version of node and npm too just run the above commands.
If you still did not get luck and did not succeed updating node. Try this....
What does the ??!??! operator do in C?
...II", # was replaced with £. In other regions, maybe "ASCII" had no braces etc.
– Steve314
Oct 20 '11 at 4:06
7
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How to play audio?
...n the list (presumably you are keeping track either in the DOM, JS memory, etc). developer.mozilla.org/en-US/docs/Web/Events/ended
– Sgnl
Jan 25 '18 at 2:21
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How to get the caller's method name in the called method?
...ler
name. skip=1 means "who calls me", skip=2 "who calls my caller" etc.
An empty string is returned if skipped levels exceed stack height
"""
stack = inspect.stack()
start = 0 + skip
if len(stack) < start + 1:
return ''
parentframe = stack[start][0]
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How to “return an object” in C++?
...) Then you don't worry about deleting anything, things are exception-safe, etc. The only problem is it's likely slower than returning by value anyway!
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Changing the image source using jQuery
...ot waiting for image load to do afterward actions like maturing image size etc.
You will need to use jQuery .load() method to do stuff after image load.
$('yourimageselector').attr('src', 'newsrc').load(function(){
this.width; // Note: $(this).width() will not work for in memory images
});
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