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How to convert list of tuples to multiple lists?
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What is the fastest way to send 100,000 HTTP requests in Python?
...much faster can you go if you want to talk with the SAME server each time, by persisting the connection? Can this even be done across threads, or with one persistent connection per thread?
– mdurant
Jan 12 '15 at 15:25
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Running multiple commands in one line in shell
...xactly mv A B. It'll be faster too, as you don't have to actually copy the bytes (assuming the destination is on the same filesystem), just rename the file. So you want cp A B; mv A C
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Can a C++ enum class have methods?
...he case. My educated guess is that the choice of the keywords was inspired by the pattern we used before C++11 to get scoped enums:
class Foo {
public:
enum {BAR, BAZ};
};
However, that's just syntax. Again, enum class is not a class.
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How to get anchor text/href on click using jQuery?
...var anchor = document.querySelector('a'),
button = document.getElementById('getURL'),
url = anchor.href;
button.addEventListener('click', function (e) {
alert(url);
});
<button id="getURL">Click me!</button>
<a href="/relative/path.html"></a>
...
Rails: how do I validate that something is a boolean?
...
Good point. You can customize the error message: guides.rubyonrails.org/…
– Drew Dara-Abrams
Mar 28 '13 at 16:56
56
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When to create a new app (with startapp) in Django?
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Proper way to handle multiple forms on one page in Django
...ample of two forms AForm and BForm using TemplateView based on the answers by @adam-nelson and @daniel-sokolowski and comment by @zeraien (https://stackoverflow.com/a/17303480/2680349):
# views.py
def _get_form(request, formcls, prefix):
data = request.POST if prefix in request.POST else None
...
Why do x86-64 systems have only a 48 bit virtual address space?
...use that's all that's needed. 48 bits give you an address space of 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current CPUs just...
How to detect modifier key states in WPF?
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