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What does @@variable mean in Ruby?
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240
A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class variab...
How can I simulate an anchor click via jquery?
...r the #TB_inline add the following query string on to the anchor:
?height=300&width=300&inlineId=myOnPageContent
Change the values of height, width, and inlineId in the query accordingly (inlineID is the ID value of the element that contains the content you would like to show in a ThickBox....
Double not (!!) operator in PHP
...rrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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font-style: italic vs oblique in CSS
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edited May 22 '14 at 15:10
BoltClock♦
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Looping over arrays, printing both index and value
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edited Feb 22 '19 at 20:38
Community♦
111 silver badge
answered Jul 17 '11 at 11:26
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Hidden features of Python [closed]
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740
votes
Chaining comparison operators:
>>> x = 5
>>> 1 < x <...
How do you reverse a string in place in C or C++?
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30 Answers
30
Active
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Histogram Matplotlib
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240
import matplotlib.pyplot as plt
import numpy as np
mu, sigma = 100, 15
x = mu + sigma * np.rand...
How do I parse command line arguments in Bash?
...pace-separated.sh <<'EOF'
#!/bin/bash
POSITIONAL=()
while [[ $# -gt 0 ]]
do
key="$1"
case $key in
-e|--extension)
EXTENSION="$2"
shift # past argument
shift # past value
;;
-s|--searchpath)
SEARCHPATH="$2"
shift # past argument
shift # past value
;;
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Laravel Migration Change to Make a Column Nullable
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280
Laravel 5 now supports changing a column; here's an example from the offical documentation:
Sch...