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Scatterplot with too many points
...ad of showing individual points, I want the plot to be a "cloud", with the more the number of points in a region, the darker that region.
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What strategies and tools are useful for finding memory leaks in .NET?
... think all of the other answers are very useful. By the way, this tool is more commonly called SciTech's Mem Profiler!
– Scott Langham
Oct 9 '08 at 12:44
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How do I write a correct micro-benchmark in Java?
... is available.
Rule 8: Use a library for your benchmark as it is probably more efficient and was already debugged for this sole purpose. Such as JMH, Caliper or Bill and Paul's Excellent UCSD Benchmarks for Java.
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Check if a user has scrolled to the bottom
...d when the user is at the bottom of the page and run an ajax query to load more posts.
26 Answers
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How to determine the memory footprint (size) of a variable?
...ontrol and the logs can be written both on mongo or in the filesystem.
For more details see here.
Blackfire
Blackfire is a PHP profiler by SensioLabs, the Symfony2 guys https://blackfire.io/
If you use puphpet to set up your virtual machine you'll be happy to know it's supported ;-)
Xdebug and traci...
Logical operator in a handlebars.js {{#if}} conditional
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Using getopts to process long and short command line options
...de that yourself as an additional case.
So while it is possible to write more code to work around the lack of support for long options, this is a lot more work and partially defeats the purpose of using a getopt parser to simplify your code.
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Viewing all defined variables [duplicate]
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In [1]: foo = 'bar'
In [2]: %who
foo
You can use the whos magic to get more detail:
In [3]: %whos
Variable Type Data/Info
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foo str bar
There are a wealth of other magics available. IPython is basically the Python interpreter on steroids. One conveni...
Is C++ context-free or context-sensitive?
...duce an Type-0 grammar ("unrestricted") in the Chomsky hierarchy, which is more powerful than a context-sensitive grammar; unrestricted grammars are Turing-complete. A context-sensitive (Type-1) grammar allows multiple symbols of context on the left hand side of a production, but the same context mu...
Adding values to a C# array
...rms = termsList.ToArray();
Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around 2 times cheaper than looping on List<T>, c) looping on array using for is 5 times cheaper than looping on List<T> using ...