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Python append() vs. + operator on lists, why do these give different results?
...ut answering the questions asked? People ask why PHP is called PHP and why __lt__ could not be overloaded in Python (nowadays it can). Why-questions are the most essential ones but often the trickiest to answer: they ask for the essence, not for a pointer to the manual. And of course: if you dislike...
How to convert AAR to JAR
.... This is because I develop projects in Netbeans, which seems to be not in compliance with the AAR extension. The remark of ChuongPham seems to be related not to this answer, but to the answer of AWT, and then I agree partly with ChuongPham, i.e. simple rename from AAR to JAR is not working. However...
Split code over multiple lines in an R script
...gree with the reject. The answer is still correct, has its context and the comments update it.
– Dirk Eddelbuettel
Sep 19 '13 at 11:38
...
Reading binary file and looping over each byte
...ns of Python below 2.5. To use it in v 2.5 you'll need to import it:
from __future__ import with_statement
In 2.6 this is not needed.
Python 3
In Python 3, it's a bit different. We will no longer get raw characters from the stream in byte mode but byte objects, thus we need to alter the conditi...
Is it possible to modify variable in python that is in outer, but not global, scope?
...s heaps :) probably need a different name though because it breaks forward compatibility. In python 3 it is a keyword conflict and will cause a SyntaxError. Perhaps NonLocal ?
– Adam Terrey
Aug 26 '16 at 0:36
...
How do I use reflection to invoke a private method?
...ccepts BindingFlags:
MethodInfo dynMethod = this.GetType().GetMethod("Draw_" + itemType,
BindingFlags.NonPublic | BindingFlags.Instance);
dynMethod.Invoke(this, new object[] { methodParams });
Here's the BindingFlags enumeration documentation.
...
What are the advantages of using a schema-free database like MongoDB compared to a relational databa
...e about it and play with it to get a better idea. Here's an online demo:
http://try.mongodb.org/
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How to enter a multi-line command
...l allow line continuation directly:
$x=1..5
$x[
0,3
] | % {
"Number: $_"
}
Similar to the | a comma will also work in some contexts:
1,
2
Keep in mind, though, similar to JavaScript's Automatic Semicolon Insertion, there are some things that are similarly broken because the line break occu...
What are the drawbacks of Stackless Python? [closed]
...ing recently about Stackless Python and it seems to have many advantages compared with vanilla cPython. It has all those cool features like infinite recursion, microthreads, continuations, etc. and at the same time is faster than cPython (around 10%, if the Python wiki is to be believed) and c...
What's the best way to trim std::string?
...:string s) {
trim(s);
return s;
}
Thanks to https://stackoverflow.com/a/44973498/524503 for bringing up the modern solution.
Original answer:
I tend to use one of these 3 for my trimming needs:
#include <algorithm>
#include <functional>
#include <cctype>
#include <loc...