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Dynamic Sorting within SQL Stored Procedures
This is an issue that I've spent hours researching in the past. It seems to me to be something that should have been addressed by modern RDBMS solutions but as yet I have not found anything that really addresses what I see to be an incredibly common need in any Web or Windows application with a d...
Passing just a type as a parameter in C#
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There are two common approaches. First, you can pass System.Type
object GetColumnValue(string columnName, Type type)
{
// Here, you can check specific types, as needed:
if (type == typeof(int)) { // ...
This would be called like: int val = (int)GetColumnValue(columnName, typeof(int));
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The difference between the Runnable and Callable interfaces in Java
What is the difference between using the Runnable and Callable interfaces when designing a concurrent thread in Java, why would you choose one over the other?
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Inline labels in Matplotlib
In Matplotlib, it's not too tough to make a legend ( example_legend() , below), but I think it's better style to put labels right on the curves being plotted (as in example_inline() , below). This can be very fiddly, because I have to specify coordinates by hand, and, if I re-format the plot, I pro...
How to create circle with Bézier curves?
We have a start point (x, y) and a circle radius. There also exists an engine that can create a path from Bézier curve points.
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Copy a stream to avoid “stream has already been operated upon or closed”
...a 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that;
10 Answers
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Thread vs ThreadPool
What is the difference between using a new thread and using a thread from the thread pool? What performance benefits are there and why should I consider using a thread from the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine.
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Is it wrong to place the tag after the tag?
How wrong is it to place the script tag after the closing tag of the body ( </body> ). ?
8 Answers
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Explicit specialization in non-namespace scope [duplicate]
Compiling this under g++ gives the following error:
5 Answers
5
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What is the Swift equivalent to Objective-C's “@synchronized”?
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You can use GCD. It is a little more verbose than @synchronized, but works as a replacement:
let serialQueue = DispatchQueue(label: "com.test.mySerialQueue")
serialQueue.sync {
// code
}
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