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Calculate distance between two latitude-longitude points? (Haversine formula)
...a that the Wikipedia article uses? Is it more efficient and/or more numerically stable?
– musiphil
Dec 20 '12 at 3:47
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C++11 range based loop: get item by value or reference to const
...
@racarate: I cannot comment on the overall speed, and I think nobody can, without profiling it first. Frankly, I wont base my choice on the speed, rather the clarity of the code. If I want immutability, I'd use const for sure. However, whether it would be auto co...
How do I set the default font size in Vim?
...ault settings for my GUI with Vim. I already made research on the web, but all the solutions I found and tried did not work.
...
C++ unordered_map using a custom class type as the key
...rrides operator(), or as a specialization of std::equal, or – easiest of all – by overloading operator==() for your key type (as you did already).
The difficulty with the hash function is that if your key type consists of several members, you will usually have the hash function calculate hash ...
Twitter Bootstrap 3 Sticky Footer
...olor: #f5f5f5;
}
and the essential HTML:
<body>
<!-- Wrap all page content here -->
<div id="wrap">
<!-- Begin page content -->
<div class="container">
</div>
</div>
<div id="footer">
<div class="contai...
How to get the root dir of the Symfony2 application?
...If you follow best practices, injecting the container should be avoided at all costs. As for the solution of getting web directory, I still use the one I provided above ;)
– Jovan Perovic
Apr 18 '16 at 10:19
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Modify request parameter with servlet filter
...t that.
One solution is to use the HttpServletRequestWrapper class, which allows you to wrap one request with another. You can subclass that, and override the getParameter method to return your sanitized value. You can then pass that wrapped request to chain.doFilter instead of the original request...
How to use WPF Background Worker
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private void worker_DoWork(object sender, DoWorkEventArgs e)
{
// run all background tasks here
}
private void worker_RunWorkerCompleted(object sender,
RunWorkerCompletedEventArgs e)
{
//update ui once worker complete his work
}
Run worker async...
Is it possible to group projects in Eclipse?
... focus on a particular area of a project, activate them through Mylin; a really powerful tool indeed
use the basic concept of workspace which allows you to work on many projects and relate them (via the Build path "Projects" tab, and "Java EE Module Dependencies") so that when you need resources fro...
Drawable image on a canvas
...setBounds(left, top, right, bottom);
d.draw(canvas);
This will work with all kinds of drawables, not only bitmaps. And it also means that you can re-use that same drawable again if only the size changes.
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