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Fastest method to replace all instances of a character in a string [duplicate]
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You can use the following:
newStr = str.replace(/[^a-z0-9]/gi, '_');
or
newStr = str.replace(/[^a-zA-Z0-9]/g, '_');
This is going to replace all the character that are not letter or numbers to ('_'). Simple change the underscore value for whatever you want to replace it.
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Vim: apply settings on files in directory
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@JasonMcCarrell My implementation of local_vimrc and Markus "embear" Braun's one have support for blacklist, whitelist... If you just need to specify how indentation is done, may be EditorConfig-vim plugin would be a better choice.
– Luc Hermitt...
Disabled href tag
... broken. You should never allow the user to become confused about what is happening.
– agm1984
May 11 '18 at 6:49
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How to print to console using swift playground?
I have been following the Apple Guide for their new language swift, but I don't understand why the bar on the right is only showing "Hello, playground" and not "Hello, world". Can someone explain why the println isn't being printed on the right?
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...ingPrintingiOS/GraphicsDrawingOverview/GraphicsDrawingOverview.html#//apple_ref/doc/uid/TP40010156-CH14-SW4
Flipping the Default Coordinate System
Flipping in UIKit drawing modifies the backing CALayer to align a drawing environment having a LLO coordinate system with the default coordinate...
Alternative to itoa() for converting integer to string C++? [duplicate]
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In C++11 you can use std::to_string:
#include <string>
std::string s = std::to_string(5);
If you're working with prior to C++11, you could use C++ streams:
#include <sstream>
int i = 5;
std::string s;
std::stringstream out;
out <<...
Is there a ceiling equivalent of // operator in Python?
...sy) floating-point conversion.
Here's a demonstration:
>>> from __future__ import division # a/b is float division
>>> from math import ceil
>>> b = 3
>>> for a in range(-7, 8):
... print(["%d/%d" % (a, b), int(ceil(a / b)), -(-a // b)])
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['-7/3', -2, ...
Run/install/debug Android applications over Wi-Fi?
I thought there was a way to test your applications in development over Wi-Fi. Is this possible?
34 Answers
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How to atomically delete keys matching a pattern using Redis
In my Redis DB I have a number of prefix:<numeric_id> hashes.
23 Answers
23
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How should I log while using multiprocessing in Python?
...there is module-level multiprocessing-aware log, LOG = multiprocessing.get_logger() . Per the docs , this logger has process-shared locks so that you don't garble things up in sys.stderr (or whatever filehandle) by having multiple processes writing to it simultaneously.
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