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Dictionary returning a default value if the key does not exist [duplicate]
...old post and I do favor extension methods, but here's a simple class I use from time to time to handle dictionaries when I need default values.
I wish this were just part of the base Dictionary class.
public class DictionaryWithDefault<TKey, TValue> : Dictionary<TKey, TValue>
{
TVa...
Difference between $(window).load() and $(document).ready() functions
...t).ready(function(){}) is $(function(){}) and another important difference from the window.load is that it will run on ALL future calls of the function, even after the initial DOMready.
– Michael Butler
Apr 3 '14 at 21:29
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ARC and bridged cast
...Release Notes, under the section "The Compiler Handles CF Objects Returned From Cocoa Methods", it is indicated that using a method like -CGColor which returns a Core Foundation object will automatically be handled properly by the compiler.
Thus, they suggest using code like the following:
CAGrad...
How to handle button clicks using the XML onClick within Fragments
... issue, and even though I appreciate your response, this is not clean code from a software engineering point of view. This code results in the activity being tightly coupled with the fragment. You should be able to re-use the same fragment in multiple activities without the activities knowing the im...
Tutorials and libraries for OpenGL-ES games on Android [closed]
...com. Now that is no longer a problem I have removed the confusing comment, from my post. Thx for the feedback. Droidnova and the red book are problably the two main sites at which I should do my reading.
– arberg
Mar 18 '10 at 10:42
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What is the difference between “int” and “uint” / “long” and “ulong”?
...
@JacoPretorius Thats wrong. 8 bit int has a range from –128 to 127. The 9th bit represents 256. So with 8 bits you can represent all values up to 255 (9th val - 1). The range from -128 to 127 has a length of exactly 255. So there is no bit that holds the sign. All values u...
Differences between dependencyManagement and dependencies in Maven
... Your example is quite clear, and reaffirms what I had grokked on my own from the documentation. Have you submitted it to the Maven project? Having studied your example, I am preparing to simplify a POM that has both, and needs only Dependency declarations, since the project with which it is assoc...
How to check if a file is a valid image file?
...
I have just found the builtin imghdr module. From python documentation:
The imghdr module determines the type
of image contained in a file or byte
stream.
This is how it works:
>>> import imghdr
>>> imghdr.what('/tmp/bass')
'gif'
Using a m...
What is the maximum length of a URL in different browsers?
...r site to work for the majority of
Internet users.
(Note: this is a quote from an article written in 2006, but in 2015 IE's declining usage means that longer URLs do work for the majority. However, IE still has the limitation...)
Internet Explorer's limitations...
IE8's maximum URL length is 2083 c...
Should a retrieval method return 'null' or throw an exception when it can't produce the return value
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reminds me the find and findOrFail from Laravel Eloquent
– javier_domenech
May 31 '18 at 12:00
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