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Which is the preferred way to concatenate a string in Python?
... this case, append/join is slower.
So where does this recommendation come from? Python 2?
a += b:
0.165287017822
a.append(b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you h...
Parsing a comma-delimited std::string [duplicate]
...weren't there at all. Just for example, we'll read comma-delimited numbers from input, and write then out one-per line on standard output:
#include <algorithm>
#include <iterator>
#include <iostream>
int main() {
std::cin.imbue(std::locale(std::locale(), new csv_reader()));
...
Input from the keyboard in command line application
...
The correct way to do this is to use readLine, from the Swift Standard Library.
Example:
let response = readLine()
Will give you an Optional value containing the entered text.
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How do I download a tarball from GitHub using cURL?
I am trying to download a tarball from GitHub using cURL , but it does not seem to be redirecting:
5 Answers
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Prepend a level to a pandas MultiIndex
...t also works for pd.Series objects, whereas the currently accepted answer (from 2013) does not.
– John
Jan 11 '18 at 12:03
1
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Is there a simple way to remove unused dependencies from a maven pom.xml?
... dependencies. Is there is a command which removes any unused dependencies from a pom?
5 Answers
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Why does Lua have no “continue” statement?
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Coming from a python background this is a confusing answer because every scope there already knows what are its local variables before running. I.e. I expected an unbound local variable error in the case of reaching until....
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How do I programmatically shut down an instance of ExpressJS for testing?
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Things have changed because the express server no longer inherits from the node http server. Fortunately, app.listen returns the server instance.
var server = app.listen(3000);
// listen for an event
var handler = function() {
server.close();
};
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Can't resize UIView in IB
...ny are enabled. Not exactly sure why this is, so would appreciate feedback from anyone who knows why exactly this is - there must be a good reason.
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Difference between DateTime and Time in Ruby
...12 00:00:00 +0000
So it's reassuring that DateTime can handle blog posts from Aristotle.
When choosing one, the differences are somewhat subjective now. Historically DateTime has provided better options for manipulating it in a calendar fashion, but many of these methods have been ported over to ...