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How to check whether a string contains a substring in JavaScript?
...se a transpiler like Babel, a shim library like es6-shim, or this polyfill from MDN:
if (!String.prototype.includes) {
String.prototype.includes = function(search, start) {
'use strict';
if (typeof start !== 'number') {
start = 0;
}
if (start + search.length > this.lengt...
How to clear the interpreter console?
...pr__(self):
return '\n'*1000
wipe = Wipe()
Then you can do this from the interpreter all you like :)
>>> from wiper import wipe
>>> wipe
>>> wipe
>>> wipe
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How do I create a constant in Python?
...alent to Java's final. However, it does not actually prevent reassignment:
from typing import Final
a: Final = 1
# Executes fine, but mypy will report an error if you run mypy on this:
a = 2
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Inno Setup for Windows service?
...e switch --start to your c# application and start windows service directly from the program by using ServiceController class (msdn.microsoft.com/en-us/library/…).
– lubos hasko
Sep 20 '09 at 2:52
...
Ways to iterate over a list in Java
...hanges what object e is referring to rather than changing the actual store from which iterator.next() retrieved the value.
– jacobq
Aug 23 '13 at 19:34
...
How do I write data into CSV format as string (not file)?
...
since i use this quite a lot to stream results asynchronously from sanic back to the user as csv data i wrote the following snippet for Python 3.
The snippet lets you reuse the same StringIo buffer over and over again.
import csv
from io import StringIO
class ArgsToCsv:
def __i...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
Following on from this question , can someone explain the following in Scala:
4 Answers
...
How to change the font size on a matplotlib plot
...
From the matplotlib documentation,
font = {'family' : 'normal',
'weight' : 'bold',
'size' : 22}
matplotlib.rc('font', **font)
This sets the font of all items to the font specified by the kwargs object, ...
Create nice column output in python
...ig difference with one or the other, just a matter of taste I'd say. Apart from that, as you noticed, that line is a bit (too) confused. It would be better to do it directly: max(len(x) for sub in data for x in sub), that also doesn't build unnecessary lists.
– Rik Poggi
...
How to remove line breaks (no characters!) from the string?
...o use PHP trim
This function returns a string with whitespace stripped from the beginning and end of str. Without the second parameter, trim() will strip these characters:
" " (ASCII 32 (0x20)), an ordinary space.
"\t" (ASCII 9 (0x09)), a tab.
"\n" (ASCII 10 (0x0A)), a new line (line...