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Replace multiple whitespaces with single whitespace in JavaScript string
...a whitespaces, each time there's more than only one whitespace I'd like it be only one.
11 Answers
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Why does a RegExp with global flag give wrong results?
What is the problem with this regular expression when I use the global flag and the case insensitive flag? Query is a user generated input. The result should be [true, true].
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What's the best way to set a single pixel in an HTML5 canvas?
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There are two best contenders:
Create a 1×1 image data, set the color, and putImageData at the location:
var id = myContext.createImageData(1,1); // only do this once per page
var d = id.data; // only do this on...
Changing UIImage color
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Since iOS 7, this is the most simple way of doing it.
Objective-C:
theImageView.image = [theImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[theImageView setTintColor:[UIColor redColor]];
Swift 2.0:
theImageView.image = theImageView.image?.imageWit...
Convert JavaScript string in dot notation into an object reference
Given a JS object
26 Answers
26
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Uncaught SyntaxError: Unexpected token with JSON.parse
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products is an object. (creating from an object literal)
JSON.parse() is used to convert a string containing JSON notation into a Javascript object.
Your code turns the object into a string (by calling .toString()) in order to try to pars...
Check if a value exists in pandas dataframe index
I am sure there is an obvious way to do this but cant think of anything slick right now.
6 Answers
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Modular multiplicative inverse function in Python
...ule contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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Cross Browser Flash Detection in Javascript
Does anyone have an example of script that can work reliably well across IE/Firefox to detect if the browser is capable of displaying embedded flash content. I say reliably because I know its not possible 100% of the time.
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What does the restrict keyword mean in C++?
...t while restrict is not part of the C++ standard yet, that it is supported by many compilers and he recommends it's usage when available:
restrict keyword
! New to 1999 ANSI/ISO C standard
! Not in C++ standard yet, but supported by many C++ compilers
! A hint only, so ...