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What is a NullPointerException, and how do I fix it?
...owing code where you declare a variable of primitive type int:
int x;
x = 10;
In this example, the variable x is an int and Java will initialize it to 0 for you. When you assign it the value of 10 on the second line, your value of 10 is written into the memory location referred to by x.
But, when y...
Why is good UI design so hard for some Developers? [closed]
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What are the benefits of Java's types erasure?
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edited Jun 20 at 9:12
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answered Feb 18 '14 at 3:51
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Can unit testing be successfully added into an existing production project? If so, how and is it wor
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+50
I've introduced unit tests to code bases that did not have it previously. The last big project I was involved with where I did this th...
Favicons - Best practices
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Favicon is way more complex than what it sounds. 10 years ago, favicon.ico was the only needed item. Then, there was the touch icon, then multiple touch icons dues to the various iOS devices screen resolutions, then there was the tile icon for Windows...
Some answers here a...
How and/or why is merging in Git better than in SVN?
...nching and merge worked in Subversion a while ago. Subversion prior to 1.5.0 didn't store any information about when branches were merged, thus when you wanted to merge you had to specify which range of revisions that had to be merged.
So why did Subversion merges suck?
Ponder this example:
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How to add a browser tab icon (favicon) for a website?
...n.png">
PNG favicons are supported by most browsers, except IE <= 10. For backwards compatibility, you can use ICO favicons.
Note that you don't have to precede icon in rel attribute with shortcut anymore. From MDN Link types:
The shortcut link type is often seen before icon, but this l...
Proper use of the IDisposable interface
...e done. Except you can do better.
What if your object has allocated a 250MB System.Drawing.Bitmap (i.e. the .NET managed Bitmap class) as some sort of frame buffer? Sure, this is a managed .NET object, and the garbage collector will free it. But do you really want to leave 250MB of memory just si...
Get MIME type from filename extension
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450
For ASP.NET or other
The options were changed a bit in ASP.NET Core, here they are (credits):
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AngularJS: Service vs provider vs factory
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