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How do you pass multiple enum values in C#?
Sometimes when reading others' C# code I see a method that will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it.
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What is the difference between _tmain() and main() in C++?
If I run my C++ application with the following main() method everything is OK:
5 Answers
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
I'm trying to implement the new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I ...
How do you count the number of occurrences of a certain substring in a SQL varchar?
...alues formatted like a,b,c,d. Is there a way to count the number of commas in that value in T-SQL?
20 Answers
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How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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How to get MVC action to return 404
I have an action that takes in a string that is used to retrieve some data. If this string results in no data being returned (maybe because it has been deleted), I want to return a 404 and display an error page.
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What's the difference between the various methods to get a Context?
In various bits of Android code I've seen:
8 Answers
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Is it possible to set UIView border properties from interface builder?
... control UIView border properties (color, thickness, etc...) directly from interface builder or I can only do it programmatically?
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How to get a random number in Ruby
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Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a roll of a six-sided die, you'd use: 1 + rand(6). A roll in craps could be simulated with 2 + rand(6) + rand(6).
Finally, if you just need a random float, just call rand with no arguments.
As Mar...
Wait 5 seconds before executing next line
This function below doesn’t work like I want it to; being a JS novice I can’t figure out why.
14 Answers
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