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Running Bash commands in Python
... runs completely separate from Python, and when it finishes, Python has no idea what it did (apart from the vague indicators that it can infer from the exit status and output from the child process). A child generally cannot change the parent's environment; it cannot set a variable, change the work...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...always true -> (4) it's optimized away into an infinite loop.
gave me idea to compare the assembly code of the OP's code to the assembly code of the following code, with no undefined behaviour.
#include <iostream>
int main()
{
// changed the termination condition
for (int i = 0;...
What is the purpose of the reader monad?
...ther example: I've been prototyping OLAP designs in Haskell recently. One idea here is that of a "hypercube," which is a mapping from intersections of a set of dimensions to values. Here we go again:
newtype Hypercube intersection value = Hypercube { get :: intersection -> value }
One common...
Get MIME type from filename extension
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it's not a great idea to use reflection on private fields. They're more likely to change in the future since it's not an agreed upon contract and you'll get a runtime error instead of a compile-time error if that happens. If you are going t...
Pretty-print C++ STL containers
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I see. This is similar to Marcelo Cantos's idea, isn't it? I shall try to turn this into a working example, thank you!
– Kerrek SB
Jan 31 '11 at 12:15
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RegEx for matching UK Postcodes
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Might be a good idea to bring the actual regex to the answer, since pages seem to expire every year...
– pauloya
Nov 21 '12 at 17:03
...
In Flux architecture, how do you manage Store lifecycle?
...1. Flux assumes this situation is an eventuality in a large application. Ideally this situation would not need to happen, and developers should strive to avoid this complexity, if possible. But the singleton Dispatcher is ready to handle it when the time comes.
Stores are singletons as well. Th...
Difference between GIT and CVS
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"happily using CVS for over x years", is an interesting idea :-) It's a huge step up from keeping lots of copies, but ...
I'm guessing you have got used to all it's quirks, or don't do much branching and merging. There is a worse possibility;
People in your organisation have g...
How do I print a list of “Build Settings” in Xcode project?
...ng the phase from “Run Script” to “Log Build Settings” isn't a bad idea.
The result is this incredibly helpful listing of current environment variables used for building:
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improve ...
Check if a class has a member function of a given signature
...;>::value << endl;
return 0;
}
Are there new flaws in this idea? Can it be made more generic without once again
falling foul of the snag it avoids?
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