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Fastest method to replace all instances of a character in a string [duplicate]
What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
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What Automatic Resource Management alternatives exist for Scala?
...xpression:
import resource._
for(input <- managed(new FileInputStream("test.txt")) {
// Code that uses the input as a FileInputStream
}
2) Monadic-style
import resource._
import java.io._
val lines = for { input <- managed(new FileInputStream("test.txt"))
val bufferedRead...
What's the best way to detect a 'touch screen' device using JavaScript?
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Modernizr does not test for touch screens. It tests for the existence of touch events in the browser. See the "Misc Tests" section in the docs: modernizr.com/docs/#features-misc
– Harry Love
Jan 24 '12 at ...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...'re having problems with StaleElementReferenceExceptions it's because your tests are poorly written. It's a race condition. Consider the following scenario:
WebElement element = driver.findElement(By.id("foo"));
// DOM changes - page is refreshed, or element is removed and re-added
element.click();...
form_for with nested resources
...5/nesting-resources
Interestingly, I just learned that most people's unit-tests are not actually testing all paths. When people follow jamisbuck's suggestion, they end up with two ways to get at nested resources. Their unit-tests will generally get/post to the simplest:
# POST /comments
post :crea...
How to fix java.net.SocketException: Broken pipe?
...ages not being fully loaded an we saw this errors on JBoss log. After some test we notice that the problem was a poorly configured Http Server.
– Ricardo Vila
Feb 8 '16 at 9:49
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UIButton: Making the hit area larger than the default hit area
...th minimal code.
First, add a category to UIButton that overrides the hit test and also adds a property for expanding the hit test frame.
UIButton+Extensions.h
@interface UIButton (Extensions)
@property(nonatomic, assign) UIEdgeInsets hitTestEdgeInsets;
@end
UIButton+Extensions.m
#import "UI...
Extract hostname name from string
...(url)); // returns youtube.com
I can't use an npm package, so below only tests extractHostname.
function extractHostname(url) {
var hostname;
//find & remove protocol (http, ftp, etc.) and get hostname
if (url.indexOf("//") > -1) {
hostname = url.split('/')[2]...
How can I check if string contains characters & whitespace, not just whitespace?
...heck to see if there's at least one character of non whitespace:
if (/\S/.test(myString)) {
// string is not empty and not just whitespace
}
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How can I get a list of locally installed Python modules?
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Steps to reproduce:
Create a virtual environment
$ cd /tmp
$ virtualenv test_env
New python executable in test_env/bin/python
Installing setuptools, pip...done.
$ source test_env/bin/activate
(test_env) $
Clone a git repo with setup.py
(test_env) $ git clone https://github.com/behave/behave.g...