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Thread vs ThreadPool
...
Thread pool will provide benefits for frequent and relatively short operations by
Reusing threads that have already been created instead of creating new ones (an expensive process)
Throttling the rate of thread creation when there is a burst of requests for new work items (I believe this is only ...
C# Interfaces. Implicit implementation versus Explicit implementation
...ic void CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
and explicitly as:
void ICollection.CopyTo(Array array, int index)
{
throw new NotImplementedException();
}
The difference is that implicit implementation allows you to access the interface through the class...
Is it expensive to use try-catch blocks even if an exception is never thrown?
We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
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Get form data in ReactJS
I have a simple form in my render function, like so:
19 Answers
19
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Find size of object instance in bytes in c#
For any arbitrary instance (collections of different objects, compositions, single objects, etc)
15 Answers
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Validating an XML against referenced XSD in C#
I have an XML file with a specified schema location such as this:
5 Answers
5
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Android image caching
...the punchline: use the system cache.
URL url = new URL(strUrl);
URLConnection connection = url.openConnection();
connection.setUseCaches(true);
Object response = connection.getContent();
if (response instanceof Bitmap) {
Bitmap bitmap = (Bitmap)response;
}
Provides both memory and flash-rom ca...
Loading cross-domain endpoint with AJAX
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jQuery Ajax Notes
Due to browser security restrictions, most Ajax requests are subject to the same origin policy; the request can not successfully retrieve data from a different domain, subdomain, port, or protocol.
Script and JSONP requests are not subject to the same origi...
How do I write a custom init for a UIView subclass in Swift?
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The init(frame:) version is the default initializer. You must call it only after initializing your instance variables. If this view is being reconstituted from a Nib then your custom initializer will not be called, and instead the init?(coder:) v...
Resize image in PHP
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You need to use either PHP's ImageMagick or GD functions to work with images.
With GD, for example, it's as simple as...
function resize_image($file, $w, $h, $crop=FALSE) {
list($width, $height) = getimagesize($file);
$r = $width / $height;
if ($crop) {
i...