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ActiveMQ or RabbitMQ or ZeroMQ or [closed]
We'd be interested to hear any experiences with the pros and cons of ActiveMQ vs RabbitMQ vs ZeroMQ. Information about any other interesting message queues is also welcome.
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“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
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Adding Core Data to existing iPhone project
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So open up Xcode and look for some file like App_Prefix.pch, by default it's in the Other Sources group. After the UIKit import statement, add the following line:
#import <CoreData/CoreData.h>
And you should be ready to go.
Xcode 4
For projects created in Xcode 4, the prefix file can b...
C# Lazy Loaded Automatic Properties
...es only function to implement the most basic of properties: backing field with getter and setter. It doesn't support this type of customization.
However you can use the 4.0 Lazy<T> type to create this pattern
private Lazy<string> _someVariable =new Lazy<string>(SomeClass.IOnly...
SQL Server: Database stuck in “Restoring” state
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You need to use the WITH RECOVERY option, with your database RESTORE command, to bring your database online as part of the restore process.
This is of course only if you do not intend to restore any transaction log backups, i.e. you only wish to...
How to quit android application programmatically
I Found some codes for quit an Android application programatically. By calling any one of the following code in onDestroy() will it quit application entirely?
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What is causing “Unable to allocate memory for pool” in PHP?
I've occasionally run up against a server's memory allocation limit, particularly with a bloated application like Wordpress, but never encountered "Unable to allocate memory for pool" and having trouble tracking down any information.
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Android studio, gradle and NDK
...ill stay a preview even after 1.3 becomes final. No current ETA as to when it'll be final (as of 2015/07/10).
More information here: http://tools.android.com/tech-docs/android-ndk-preview
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What is “callback hell” and how and why does RX solve it?
Can someone give a clear definition together with a simple example that explains what is a "callback hell" for someone who does not know JavaScript and node.js ?
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What's the difference between REST & RESTful
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Representational state transfer (REST) is a style of software architecture. As described in a dissertation by Roy Fielding, REST is an "architectural style" that basically exploits the existing technology and protocols of the Web.
RESTful is typically used to refer to web services implemen...