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Deep null checking, is there a better way?
...w planned for the next Roslyn compiler release. Note that there is still some debate over the exact syntactic and semantic analysis of the operator.
Update (July 2015): Visual Studio 2015 has been released and ships with a C# compiler that supports the null-conditional operators ?. and ?[].
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Sort a Map by values
...cific problem, considering you are using the Java 6 version. Have you implemented Comparable correctly in your value object?
– saiyancoder
Dec 8 '14 at 1:12
6
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How to use Boost in Visual Studio 2010
...ll you need to do is to unarchive the boost download and set up the environment variables. The instruction below set the environment variables for Visual Studio only, and not across the system as a whole. Note you only have to do it once.
Unarchive the latest version of boost (1.47.0 as of writing...
How to adjust layout when soft keyboard appears
...is particular activity and this will adjust the layout resize option.
some source code below for layout design
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_he...
Is Ruby pass by reference or by value?
...object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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Do try/catch blocks hurt performance when exceptions are not thrown?
During a code review with a Microsoft employee we came across a large section of code inside a try{} block. She and an IT representative suggested this can have effects on performance of the code. In fact, they suggested most of the code should be outside of try/catch blocks, and that only importa...
Mock vs MagicMock
...is that MagicMock is a superset of Mock that automatically does "magic methods" thus seamlessly providing support for lists, iterations and so on... Then what is the reason for plain Mock existing? Isn't that just a stripped down version of MagicMock that can be practically ignored? Does Mo...
Is AngularJS just for single-page applications (SPAs)?
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Another point to mention is that Angular doesn't even need to be used for full pages - it can be integrated into an existing system to build components, i.e. a complex widget or plugin inside a legacy application.
– Alex...
What is the bower (and npm) version syntax?
Bower enables me to specify version requirements for packages using the following syntax:
5 Answers
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How do I get a background location update every n minutes in my iOS application?
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I found a solution to implement this with the help of the Apple Developer Forums:
Specify location background mode
Create an NSTimer in the background with UIApplication:beginBackgroundTaskWithExpirationHandler:
When n is smaller than UIApplication:b...