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What makes Lisp macros so special?
...anguage. This gives a simple syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and 9. Back in the Python 1.5 days there was no such syntax; you'd use something more like this:
divisibleByTwo = []
for x i...
How to get index of object by its property in JavaScript?
For example, I have:
19 Answers
19
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std::vector versus std::array in C++
...f fulfilling such requirements other than using a dynamic array. As stated by @Lucretiel, the standard actually requires that the elements are stored contiguously, so it is a dynamic array, stored where the associated allocator puts it.
...
What does java.lang.Thread.interrupt() do?
...not java.io) and it does NOT use InterruptedException, instead using ClosedByInterruptException.
EDIT (from @thomas-pornin's answer to exactly same question for completeness)
Thread interruption is a gentle way to nudge a thread. It is used to give threads a chance to exit cleanly, as opposed to ...
How to deep watch an array in angularjs?
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The performance issues would be minimized by using $watchCollection, as mentioned by @Blazemonger comment (stackoverflow.com/questions/14712089#comment32440226_14713978).
– Sean the Bean
Jun 12 '15 at 19:23
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What is the difference between a static and a non-static initialization code block
.....
is a block of code static { ... } inside any java class. and executed by virtual machine when class is called.
No return statements are supported.
No arguments are supported.
No this or super are supported.
Hmm where can I use it?
Can be used anywhere you feel ok :) that simple. But I see mo...
Why is MATLAB so fast in matrix multiplication?
... with a Tesla C2070:
>> A = rand(1024); gA = gpuArray(A);
% warm up by executing the operations a couple of times, and then:
>> tic, C = A * A; toc
Elapsed time is 0.075396 seconds.
>> tic, gC = gA * gA; toc
Elapsed time is 0.008621 seconds.
MATLAB uses highly optimized librarie...
phpunit mock method multiple calls with different arguments
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The PHPUnit Mocking library (by default) determines whether an expectation matches based solely on the matcher passed to expects parameter and the constraint passed to method. Because of this, two expect calls that only differ in the arguments passed to ...
Count the number of occurrences of a string in a VARCHAR field?
...ution is awesome, just what I needed! But note, that LENGTH() is not multi-byte safe and you might run into strange errors. Use CHAR_LENGTH() instead:)
– nico gawenda
Apr 29 '13 at 23:28
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Reading large text files with streams in C#
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You can improve read speed by using a BufferedStream, like this:
using (FileStream fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (BufferedStream bs = new BufferedStream(fs))
using (StreamReader sr = new StreamReader(...