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What is the difference between ManualResetEvent and AutoResetEvent in .NET?
...rstand. An AutoResetEvent resets when the code passes through event.WaitOne() , but a ManualResetEvent does not.
11 An...
Can I have multiple Xcode versions installed?
Is it possible to have more than one version of Xcode installed at the same time?
12 Answers
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EF Code First foreign key without navigation property
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With EF Code First Fluent API it is impossible. You always need at least one navigation property to create a foreign key constraint in the database.
If you are using Code First Migrations you have the option to add a new code based migration on the package manager console (add-migration SomeNewSc...
Does C have a “foreach” loop construct?
...most all languages have a foreach loop or something similar. Does C have one? Can you post some example code?
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Deny access to one specific folder in .htaccess
... call sending 403 forbidden status .. I just want to block access when someone access it from browser.
– ravisoni
Jul 31 '14 at 9:25
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Insert new item in array on any position in PHP
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You may find this a little more intuitive. It only requires one function call to array_splice:
$original = array( 'a', 'b', 'c', 'd', 'e' );
$inserted = array( 'x' ); // not necessarily an array, see manual quote
array_splice( $original, 3, 0, $inserted ); // splice in at position 3...
Libraries not found when using CocoaPods with iOS logic tests
...a different symbol for the class than the code from my unit tests. Has anyone found a way to resolve this?
– Nicholas Hart
Oct 15 '13 at 22:35
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
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SimpleDateFormat stores intermediate results in instance fields. So if one instance is used by two threads they can mess each other's results.
Looking at the source code reveals that there is a Calendar instance field, which is used by operations on DateFormat / SimpleDateFormat.
For example p...
How update the _id of one MongoDB Document?
I want update an _id field of one document. I know it's not a really good pratice. But with some technical reason, I need update it. If I try to update it I get:
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xcopy file, rename, suppress “Does xxx specify a file name…” message
...mple and maybe I'm just overlooking the proper flag , but how would I, in one command, copy a file from one directory to another and rename it in the destination directory? Here's my command:
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