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When/Why to use Cascading in SQL Server?
..., under what circumstances should you have it cascade on delete or update, and what is the reasoning behind it?
15 Answers
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Why does Oracle 9i treat an empty string as NULL?
..., but that doesn't do much to tell me why this is the case. As I understand the SQL specifications, ' ' is not the same as NULL -- one is a valid datum, and the other is indicating the absence of that same information.
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Remove files from Git commit
I am using Git and I have committed few files using
29 Answers
29
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How do you load custom UITableViewCells from Xib files?
...ot simple due to memory managment issues. This thread mentions the issue and suggests a solution, but is pre NDA-release and lacks code. Here's a long thread that discusses the issue without providing a definitive answer.
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C++11 features in Visual Studio 2012
...omplete, Alignment
completed strongly-typed enums
forward declared enums
Standard layout and trivial types
Atomics
Strong compare and exchange
Bi-directional fences
Data-dependency ordering
Range-based for loop
In early November 2012, Microsoft announced the Visual C++ Compiler November 2012 CTP,...
Which iOS app version/build number(s) MUST be incremented upon App Store release?
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Apple Technical Note TN2420, Version Numbers and Build Numbers
Summary:
The pair (Version, Build number) must be unique.
The sequence is valid: (1.0.1, 12) -> (1.0.1, 13) -> (1.0.2, 13) -> (1.0.2, 14) ...
Version (CFBundleShortVersionString) must be in a...
C# naming convention for constants?
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The recommended naming and capitalization convention is to use PascalCasing for constants (Microsoft has a tool named StyleCop that documents all the preferred conventions and can check your source for compliance - though it is a little bit too ana...
How do I resolve git saying “Commit your changes or stash them before you can merge”?
...made some updates on my local machine, pushed them to a remote repository, and now I'm trying to pull the changes to the server and I get the message;
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Convert a series of parent-child relationships into a hierarchical tree?
...sic recursive function to parse the child/parent pairs to a tree structure and another recursive function to print it out. Only one function would suffice but here's two for clarity (a combined function can be found at the end of this answer).
First initialize the array of child/parent pairs:
$tre...
Which method performs better: .Any() vs .Count() > 0?
...Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods .
9 Answers
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