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Is it worth using Python's re.compile?
...ython internally compiles AND CACHES regexes whenever you use them anyway (including calls to re.match()), so you're really only changing WHEN the regex gets compiled, and shouldn't be saving much time at all - only the time it takes to check the cache (a key lookup on an internal dict type).
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Why is creating a Thread said to be expensive?
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Rails: Is there a rails trick to adding commas to large numbers?
...o It's a view helper method. You should be able to use it from a module by including ActionView::Helpers::NumberHelper within the module.
– John Topley
Jul 22 '10 at 7:55
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Where in a virtualenv does the custom code go?
...ld be better served with concrete, practical examples of different options including trade offs as seen in other answers in this question.
– andyfeller
Mar 8 '18 at 15:26
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What's the best way to iterate over two or more containers simultaneously
...ded version of standard for_each algorithm in boost range library, e.g:
#include <vector>
#include <boost/assign/list_of.hpp>
#include <boost/bind.hpp>
#include <boost/range/algorithm_ext/for_each.hpp>
void foo(int a, int& b)
{
b = a + 1;
}
int main()
{
std::v...
TypeScript, Looping through a dictionary
... very safe in general. It's not safe in very specific cases (like when you include libraries which modify prototypes incorrectly, or purposely modify prototypes incorrectly). It's up to the developer whether to bloat their code with most-likely-unnecessary checks
– Ian
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best way to add license section to iOS settings bundle
...nents licensed under Apache 2.0 and similar licenses, which requires me to include various bits of text, this kind of thing:
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initializer_list and move semantics
...tializer list); yet the initializer list below compiles without problem.
#include <memory>
#include <initializer_list>
class uptr_vec
{
typedef std::unique_ptr<int> uptr; // move only type
std::vector<uptr> data;
public:
uptr_vec(uptr_vec&& v) : data(std::move(...
Using jQuery To Get Size of Viewport
...is problem: stackoverflow.com/q/12103208/923560 . Make sure your HTML file includes a proper DOCTYPE declaration , e.g. <!DOCTYPE html>.
– Abdull
Feb 15 '13 at 14:59
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How to wait 5 seconds with jQuery?
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jQuery is written in javascript. If you include and use jQuery, you need javascript. If you have javascript, you have setTimeout.
– Alex Bagnolini
Dec 2 '09 at 22:08
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