generics - What is the difference between concurrent queue and blockingcollection in. Net?

What are the differences between ConcurrentQueue and BlockingCollection in .Net? Why BlockingCollection is best for producer-consumer operation when it can be done through Con...

events - Determine whether the user clicks the scroll bar or the content (click on the native scroll bar)

I'm trying to create custom events in JQuery that are supposed to detect when a scrollbar is clicked1. I know there's lots of text, but all my questions are boldfaced and there...

sublimetext - Sublime text 2 code format

First let me say I come from a Microsoft background and Visual Studio is my bread and butter. It has a command (keybind is arbitrary) that auto-formats any code syntax. The s...

jakarta ee - How to use JSTL to select the first element of a collection?

I managed to do it with the next code but there must be an easier way. <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <%@ taglib prefix="fn" uri="http...

android - How to close WiFi through ADB?

Im automating a testing procedure for wifi calling and I was wondering is there a way to turn off/on wifi via adb? I would either like to disable/enable wifi or kill wifi call...

c++ - Why are string literals L and all other literals r?

C++03 5.1 Primary expressions §2 says: A literal is a primary expression. Its type depends on its form (2.13). A string literal is an lvalue; all other literals are rvalues...

How do I see if a Perl hash already has a key?

I have a Perl script that is counting the number of occurrences of various strings in a text file. I want to be able to check if a certain string is not yet a key in the hash. ...

String to char array Java

I am stumped on this and I need some fresh eyes, I'm not sure why this code is doing this. String string = new String(new char[] {(char) 0x01, (char) 0x02, ... ,(char) 0xFC});...

.htaccess - take index.html Set to the default value, but if you type, access is allowed index.php

I have the following line in my .htaccess file: DirectoryIndex index.html index.php Everytime I go to index.php it takes me to index.html. Is it possible to allow for both, ...

How to edit rails serialization fields in a form?

I have a data model in my Rails project that has a serialized field: class Widget < ActiveRecord::Base serialize :options end The options field can have variable data i...