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How to generate a random alpha-numeric string?
...52, which is probably less likely than undetected errors from cosmic rays, etc.
Comparison with UUIDs
According to their specification, UUIDs are not designed to be unpredictable, and should not be used as session identifiers.
UUIDs in their standard format take a lot of space: 36 characters for ...
How to pass an array into a SQL Server stored procedure
... tvparam.TypeName = "dbo.IDList";
// execute query, consume results, etc. here
}
SQL Server 2005
If you are using SQL Server 2005, I would still recommend a split function over XML. First, create a function:
CREATE FUNCTION dbo.SplitInts
(
@List VARCHAR(MAX),
@Delimiter VARCHAR(...
What is a Java ClassLoader?
....g. loading over a network, loading plugins not available at compile time, etc.), you may need to do more. Then you can e.g. write your own class loader. See the other answers for links.
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Determine on iPhone if user has enabled push notifications
...ns are enabled (and don't worry about sounds, badges, notification center, etc.). The first line of code (types & UIRemoteNotificationTypeAlert) will return YES if "Alert Style" is set to "Banners" or "Alerts", and NO if "Alert Style" is set to "None", irrespective of other settings.
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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
...g the distances (or weights) could be assigned by speed, cost, preference, etc. The algorithm then gives you the shortest path from your source to every node in the traversed graph.
Meanwhile BFS basically just expands the search by one “step” (link, edge, whatever you want to call it in your a...
IntelliJ not recognizing a particular file correctly, instead its stuck as a text file
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This worked for me, must have somehow accidentally added my filename.
– Harrison
Oct 7 '15 at 18:22
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Why does cURL return error “(23) Failed writing body”?
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No. It might help with small documents but when it is too large to fit in the buffer cat uses the error will reappear.You could use -s to silence all error messages (and progress) if you don't need them.
– Kaworu
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Need to understand the usage of SemaphoreSlim
...at there won't be more than 10 workers doing this work at the same time.
Calling WaitAsync on the semaphore produces a task that will be completed when that thread has been given "access" to that token. await-ing that task lets the program continue execution when it is "allowed" to do so. Having ...
Android Studio suddenly cannot resolve symbols
...e imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( android.support.v7 seems to be fine though).
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GIT repository layout for server with multiple projects
...ou're free to include particular versions of the submodules, certain tags, etc.
– Damien Wilson
Apr 28 '10 at 19:31
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