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What is an index in SQL?
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An index is used to speed up searching in the database. MySQL have some good documentation on the subject (which is relevant for other SQL servers as well):
http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
An index can be used to efficiently find all rows matching ...
Creating a blocking Queue in .NET?
...ty
/// </summary>
public ProducerConsumerQueue()
: base(new ConcurrentQueue<T>())
{
}
/// <summary>
/// Initializes a new instance of the ProducerConsumerQueue, Use Add and TryAdd for Enqueue and TryEnqueue and Take and TryTake for Dequeue and TryDequ...
Best practices to test protected methods with PHPUnit
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Good point. I actually use this method in my base class that I extend my test classes from, in which case this makes sense. The name of the class would be wrong here though.
– robert.egginton
Apr 4 '12 at 16:34
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Regular expression to allow spaces between words
...\p\r\t], respectively.
* I know this question is tagged vb.net, but based on 25,000+ views, I'm guessing it's not only those folks who are coming across this question. Currently it's the first hit on google for the search phrase, regular expression space word.
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How do you remove a specific revision in the git history?
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To combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revision, use squash.
I have successfully used this squ...
How to implement __iter__(self) for a container object (Python)
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Another option is to inherit from the appropriate abstract base class from the `collections module as documented here.
In case the container is its own iterator, you can inherit from
collections.Iterator. You only need to implement the next method then.
An example is:
>>>...
How to get current time and date in Android
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@Kyle Yes, it's based on the device time settings/timezone. Quote from the doc: "Calendar's getInstance method returns a calendar whose locale is based on system settings and whose time fields have been initialized with the current date and ...
Custom thread pool in Java 8 parallel stream
...oinPool != null) {
forkJoinPool.shutdown();
}
}
The trick is based on ForkJoinTask.fork which specifies: "Arranges to asynchronously execute this task in the pool the current task is running in, if applicable, or using the ForkJoinPool.commonPool() if not inForkJoinPool()"
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JavaScript: How to pass object by value?
...ange in the future, since JSON is more heavily integrated into non-browser based software like databases and IDEs
– vol7ron
Jul 19 '14 at 16:16
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What is the best way to use a HashMap in C++?
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While the standard library does not have a hash table-based container, almost all implementations include hash_map from the SGI STL in some form or another.
– James McNellis
Aug 26 '10 at 18:27
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