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How can mixed data types (int, float, char, etc) be stored in an array?
... "internal" tag instead (it overlays the outer tag, just like we want, but doesn't confuse the compiler).
record not_a_problem = { .int_.tag = INT, .int_.val = 3 };
not_a_problem.tag; // == INT
share
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What is the usefulness of `enable_shared_from_this`?
...newly allocated resource. The code inside the member function S::dangerous doesn't know about that shared_ptr object, so the shared_ptr object that it returns is distinct from sp1. Copying the new shared_ptr object to sp2 doesn't help; when sp2 goes out of scope, it will release the resource, and wh...
Evil Mode best practice? [closed]
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I find that this doesn't work for me. I use the latest Emacs 24.4, does anyone experience the same?
– Dzung Nguyen
Oct 30 '14 at 6:05
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Running shell command and capturing the output
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@par That doesn't work for you when you pass shell=True? It works for me. You don't need shlex.split when you pass shell=True. shlex.split is for non-shell commands. I think I'm going to take that bit out because this is muddying the w...
Apache and Node.js on the Same Server
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Doesn't this proxy requests from Apache to Node, while it takes away the benefits of Node's non-blocking nature?
– html_programmer
Sep 16 '14 at 20:52
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
... Is there a way to interrupt a process in jupyter-console? II/control-c doesnt work. And there is no other shortcut to restart the kernel.
– alpha_989
Feb 10 '18 at 23:42
a...
How to redirect cin and cout to files?
... what you want to do. Read the comments to know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from ...
Git: How to edit/reword a merge commit's message?
...it commit command the user runs after resolving a conflicted merge already does.
Linus said:
But I don't really care deeply how it actually works - my main issue is that git makes it way too easy to have bad merge messages.
I think part of that is an even simpler idiocy: we never even fire u...
Is it possible to set a number to NaN or infinity?
...float objects.
The numpy.NINF is actually the only constant I know of that doesn't require the -.
It is possible to create complex NaN and Infinity with complex and cmath:
╒══════════╤════════════════╤═════════════...
How to save traceback / sys.exc_info() values in a variable?
...lem in the ipython/jupyter notebook environment where the traceback object doesn't get cleared at the right time and even an explicit call to gc.collect() in finally section does nothing. And that's a huge problem if you have some huge objects that don't get their memory reclaimed because of that (e...