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PHP shell_exec() vs exec()
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What are the rules about using an underscore in a C++ identifier?
...h names are also reserved in namespace ::std (17.4.3.1).
Because C++ is based on the C standard (1.1/2, C++03) and C99 is a normative reference (1.2/1, C++03) these also apply, from the 1999 C Standard:
7.1.3 Reserved identifiers
Each header declares or defines all identifiers listed in ...
Circular (or cyclic) imports in Python
... other. I was doing this to create a sloppy factory for an object in the base class where that object could be one of a number of subclasses and the using code did not need to be aware of which it was actually creating.
– AaronM
Apr 13 '16 at 20:54
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Are list-comprehensions and functional functions faster than “for loops”?
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The following are rough guidelines and educated guesses based on experience. You should timeit or profile your concrete use case to get hard numbers, and those numbers may occasionally disagree with the below.
A list comprehension is usually a tiny bit faster than the precisely e...
How can I improve my paw detection?
...h paw with [data[x] for x in data_slices]. Instead, we'll draw a rectangle based on these slices, which takes slightly more work.
The two animations below show your "Overlapping Paws" and "Grouped Paws" example data. This method seems to be working perfectly. (And for whatever it's worth, this ...
Setting up two different static directories in node.js Express framework
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to disable right-click context-menu in JavaScript [duplicate]
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Returning false from the event handler did not block the default context menu from appearing in Firefox or Chrome in my case. But calling e...
Regular expression for letters, numbers and - _
... I am using Tornado and need to capture html names, so I used this based off your answer; ^/([a-zA-Z0-9._-]*\.html)$
– NuclearPeon
Apr 28 '15 at 16:57
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Is it faster to count down than it is to count up?
...ecial jcxz jump instruction that tests the ECX register for zero and jumps based on the result of the test.
However, the performance difference will be negligible unless your loop is already very sensitive to clock cycle counts. Counting down to zero might shave 4 or 5 clock cycles off each iterat...
How do I initialize a TypeScript object with a JSON object
...just yet - keep in mind they are still an experimental feature. I wouldn't base real-world code on "experiments" because as far as we are concerned they may be gone in the next version and you'd have to rewrite a bunch of code or be forever stuck on an old TS version. Just my $.02
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