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How to count the number of occurrences of an element in a List
...t occurrences = Collections.frequency(animals, "bat");
That's how I'd do it anyway. I'm pretty sure this is jdk 1.6 straight up.
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Command copy exited with code 4 when building - Visual Studio restart solves it
Every now and then when I build my solution here (with 7 projects in it) I get the dreaded 'Command copy exited with code 4' error, in Visual Studio 2010 Premium ed.
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What are the benefits of dependency injection containers?
I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as:
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Why does += behave unexpectedly on lists?
... += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods.
The __iadd__ special method is for an in-place addition, that is it mutates the object that it acts on. The __add__ special ...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
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You can't have 1:1 ratio.
However you can scale it from the iOS Simulator > Window > Scale menu.
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Creating and Update Laravel Eloquent
What's the shorthand for inserting a new record or updating if it exists?
13 Answers
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Regex Pattern to Match, Excluding when… / Except between
--Edit-- The current answers have some useful ideas but I want something more complete that I can 100% understand and reuse; that's why I set a bounty. Also ideas that work everywhere are better for me than not standard syntax like \K
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windows service vs scheduled task
...fun when someone changes that user's password.
The other major annoyance with Windows Scheduler is that it runs interactively and not as a background process. When 15 MS-DOS windows pop up every 20 minutes during an RDP session, you'll kick yourself that didn't install them as Windows Services inst...
Why doesn't indexOf work on an array IE8?
...he below function works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
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Best practices for overriding isEqual: and hash
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Start with
NSUInteger prime = 31;
NSUInteger result = 1;
Then for every primitive you do
result = prime * result + var
For objects you use 0 for nil and otherwise their hashcode.
result = prime * result + [var hash];
Fo...