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What is the difference between concurrent programming and parallel programming?
...terministic because the responses are not necessarily received in the same order each time the program is run. This characteristic can make it very hard to debug concurrent programs. Some applications are fundamentally concurrent, e.g. web servers must handle client connections concurrently. Erlang,...
What is the difference between iterator and iterable and how to use them?
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I will answer the question especially about ArrayList as an example in order to help you understand better..
Iterable interface forces its subclasses to implement abstract method 'iterator()'.
public interface Iterable {
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abstract Iterator<T> iterator(); //Returns an 'Iterator'...
Shortcut to exit scale mode in VirtualBox [closed]
...ey combination is useful because that's the only thing you need to know in order to access the menu -- that being the actual problem with Scale Mode that most people have difficulty with.
– Daira Hopwood
Oct 29 '14 at 23:21
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How to get the value from the GET parameters?
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You can gain more precision and allow any order of parameters by prepending with [?|&] as in [?|&]myParam=([^&]+)
– 1.21 gigawatts
May 21 '18 at 23:52
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How to format an inline code in Confluence?
... work if you're pasting it in - you need to type out the closing braces in order to "trigger" the "auto-format". If you want to format large swathes of text in this manner, then use the Insert -> Wiki Markup dialog and type/paste it out all in there.
– jaysee00
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How to write into a file in PHP?
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In order to write to a file in PHP you need to go through the following steps:
Open the file
Write to the file
Close the file
$select = "data what we trying to store in a file";
$file = fopen("/var/www/htdocs/folder/test.txt"...
How to use UIVisualEffectView to Blur Image?
... for simple situations. Since the z-values of the views will depend on the order they are listed in the Document Outline, you can drag a UIVisualEffectView onto the document outline before the view you want to blur. This automatically creates a nested UIView, which is the contentView property of the...
Xcode 4 hangs at “Attaching to (app name)”
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Solution provided didn't fix the problem in my case.
In order to solve it (XCode 4 only), I had to go to Product -> Edit Scheme. Then select the "Run " scheme, and marked "Automatically" which wasn't enabled.
Hope it helps someone.
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Uses of Action delegate in C# [closed]
...uter science behind it read this: http://en.wikipedia.org/wiki/Map_(higher-order_function).
Now if you are using C# 3 you can slick this up a bit with a lambda expression like so:
using System;
using System.Collections.Generic;
class Program
{
static void Main()
{
List<String&g...
What is the point of a “Build Server”? [closed]
...ment free of artifacts of previous versions (and configuration changes) in order to ensure that builds and tests work and don't depend on the artifacts. An effective way to isolate is to create a separate build server.
share...