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How do I pass multiple parameters in Objective-C?
...ral of the post about Objective-C method syntax but I guess I don't understand multiple names for a method.
6 Answers
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Can a shell script set environment variables of the calling shell? [duplicate]
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Your shell process has a copy of the parent's environment and no access to the parent process's environment whatsoever. When your shell process terminates any changes you've made to its environment are lost. Sourcing a script file is the most commonly used method for configuring a s...
Can someone explain Microsoft Unity?
...tern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next step in our application design.
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How to calculate age (in years) based on Date of Birth and getDate()
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There are issues with leap year/days and the following method, see the update below:
try this:
DECLARE @dob datetime
SET @dob='1992-01-09 00:00:00'
SELECT DATEDIFF(hour,@dob,GETDATE())/8766.0 AS AgeYearsDecimal
,CONVERT(int,ROUND(DATEDIFF(hour,@dob,GE...
What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retained objects, which can easily ...
Do I need to manually close an ifstream?
...e before the end of a function you can always use a nested scope.
In the standard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file handle. It is held as a member so that when an ifstream object destructs, it also calls the d...
Incrementing a date in JavaScript
...for #1 was wrong (it added 24 hours, failing to account for transitions to and from daylight saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:
var tomorrow = new Date();
t...
When do you use POST and when do you use GET?
...or destructive actions such as creation (I'm aware of the irony), editing, and deletion, because you can't hit a POST action in the address bar of your browser. Use GET when it's safe to allow a person to call an action. So a URL like:
http://myblog.org/admin/posts/delete/357
Should bring you to ...
What's the difference between REST & RESTful
What's the difference between a REST system and a system that is RESTful?
15 Answers
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Test if string is a guid without throwing exceptions?
...sid);
}
}
Bottom line: If you need to check if a string is a guid, and you care about performance, use COM Interop.
If you need to convert a guid in String representation to a Guid, use
new Guid(someString);
shar...
