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Why does 2 == [2] in JavaScript?
I recently discovered that 2 == [2] in JavaScript. As it turns out, this quirk has a couple of interesting consequences:
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Is inline assembly language slower than native C++ code?
...ays produce faster code than high-level language (C++ and C in this case). It's not true. Is C code always faster than Java code? No because there is another variable: programmer. The way you write code and knowledge of architecture details greatly influence performance (as you saw in this case).
Y...
Thread-safe List property
...entation of List<T> as a property which can be used thread-safely without any doubt.
16 Answers
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Virtual functions and performance - C++
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A good rule of thumb is:
It's not a performance problem until you can prove it.
The use of virtual functions will have a very slight effect on performance, but it's unlikely to affect the overall performance of your application. Better places to lo...
What's the right way to pass form element state to sibling/parent elements?
I've come up with two solutions, but neither of them feels quite right.
10 Answers
10
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How to resize an Image C#
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This will perform a high quality resize:
/// <summary>
/// Resize the image to the specified width and height.
/// </summary>
/// <param name="image">The image to resize.</param>
/// <param name="width">The width to resize ...
Is a url query parameter valid if it has no value?
...ode
The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI).
3.4. Query
The query component contains non-hierarchical data that, along wit...
What is the best extension for SQLite database files? [closed]
...cific naming convention, but what extension do you recommend when using SQLite?
5 Answers
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How can I test https connections with Django as easily as I can non-https connections using 'runserv
I have an application that uses "secure" cookies and want to test it's functionality without needing to set up a complicated SSL enabled development server. Is there any way to do this as simply as I can test non-encrypted requests using ./manage.py runserver ?
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How to check that an object is empty in PHP?
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You can cast to an array and then check if it is empty or not
$arr = (array)$obj;
if (!$arr) {
// do stuff
}
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