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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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243
Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of s...
In the shell, what does “ 2>&1 ” mean?
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2671
File descriptor 1 is the standard output (stdout).
File descriptor 2 is the standard error (s...
What do you call the -> operator in Ruby?
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240
In Ruby Programming Language ("Methods, Procs, Lambdas, and Closures"), a lambda defined using...
How can I replace a regex substring match in Javascript?
...d-0.testing';
var regex = /(asd-)\d(\.\w+)/;
str = str.replace(regex, "$11$2");
console.log(str);
Or if you're sure there won't be any other digits in the string:
var str = 'asd-0.testing';
var regex = /\d/;
str = str.replace(regex, "1");
console.log(str);
...
How can I add items to an empty set in python
...; type(d)
<type 'set'>
>>> d.update({1})
>>> d.add(2)
>>> d.update([3,3,3])
>>> d
set([1, 2, 3])
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Convert a float64 to an int in Go
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213
package main
import "fmt"
func main() {
var x float64 = 5.7
var y int = int(x)
fmt.Print...
iReport not starting using JRE 8
...rom https://sourceforge.net/projects/ireport/files/iReport/iReport-5.6.0/
2) Download jre-7u67-windows-x64.tar.gz (the one packed in a tar) from https://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html
3) Extract the iReport and in the extracted folder th...
Delete element in a slice
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278
Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i],...
Extracting substrings in Go
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answered Sep 7 '12 at 7:39
Denys SéguretDenys Séguret
321k6969 gold badges680680 silver badges668668 bronze badges
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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...':
the_thing = 1
elif something == 'that':
the_thing = 2
elif something == 'there':
the_thing = 3
else:
the_thing = 4
2.py
something = 'something'
options = {'this': 1, 'that': 2, 'there': 3}
for i in xrange(1000000):
the_thing = options.get(someth...