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When and how should I use a ThreadLocal variable?
... object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object.
For example:
public class Foo
{
// SimpleDateFormat is not thread-safe, so give one to each thread
private static final ThreadLocal<SimpleDateFormat> formatter = new ThreadLocal...
querySelector search immediate children
...
Though it's not a full answer, you should keep an eye on the W3C Selector API v.2 which is already available in most browser, both desktop and mobile, except IE (Edge seems to support): see full support list.
function(elem) {
ret...
Is it possible to use Visual Studio on macOS?
...w Visual Studio for Mac, which Microsoft launched in November.
Read about it here: https://msdn.microsoft.com/magazine/mt790182
Download a preview version here: https://www.visualstudio.com/vs/visual-studio-mac/
share
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Generate C# class from XML
...e
D:\temp>xsd test.xml
Microsoft (R) Xml Schemas/DataTypes support utility
[Microsoft (R) .NET Framework, Version 4.0.30319.1]
Copyright (C) Microsoft Corporation. All rights reserved.
Writing file 'D:\temp\test.xsd'.
D:\temp>xsd test.xsd /classes
Microsoft (R) Xml Schemas/DataTypes support ...
What is size_t in C?
I am getting confused with size_t in C. I know that it is returned by the sizeof operator. But what exactly is it? Is it a data type?
...
How can I export tables to Excel from a webpage [closed]
...in. You get a grid that sorts, filters, orders, and pages your data, and with just a few extra lines of code and two small files included, you get export to Excel, PDF, CSV, to clipboard and to the printer.
This is all the code that's required:
$(document).ready( function () {
$('#example')...
How to check for valid email address? [duplicate]
Is there a good way to check a form input using regex to make sure it is a proper style email address? Been searching since last night and everybody that has answered peoples questions regarding this topic also seems to have problems with it if it is a subdomained email address.
...
What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app?
It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well . I was wondering if anybody had thoughts on the most efficient...
A free tool to check C/C++ source code against a set of coding standards? [closed]
It looks quite easy to find such a tool for Java ( Checkstyle , JCSC ), but I can't seem to find one for C/C++. I am not looking for a lint-like static code analyzer, I only would like to check against coding standards like variable naming, capitalization, spacing, identation, bracket placement, an...
What does AngularJS do better than jQuery? [closed]
...utorials on how to use Angular, but I am not clear on why or when to use it, or what benefits I may find in comparison to just using jQuery.
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