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How to swap two variables in JavaScript
...n variables a and b:
b = [a, a = b][0];
Demonstration below:
var a=1,
b=2,
output=document.getElementById('output');
output.innerHTML="<p>Original: "+a+", "+b+"</p>";
b = [a, a = b][0];
output.innerHTML+="<p>Swapped: "+a+", "+b+"</p>";
<div id="...
Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interr...
Write a function that returns the longest palindrome in a given string
...be found here and here.
For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321.
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Bash script to calculate time elapsed
...
10 Answers
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Use images instead of radio buttons
...ing the <i> element and the :after pseudo:
body{color:#444;font:100%/1.4 sans-serif;}
/* CUSTOM RADIO & CHECKBOXES
http://stackoverflow.com/a/17541916/383904 */
.rad,
.ckb{
cursor: pointer;
user-select: none;
-webkit-user-select: none;
-webkit-touch-callout: none;
}
.rad ...
how do I initialize a float to its max/min value?
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152
You can use std::numeric_limits which is defined in <limits> to find the minimum or max...
How to get execution time in rails console?
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edited Jul 20 '19 at 4:28
Jeremy Baker
3,04833 gold badges2121 silver badges2525 bronze badges
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Why does PHP consider 0 to be equal to a string?
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115
You are doing == which sorts out the types for you.
0 is an int, so in this case it is going ...
Convert varchar to uniqueidentifier in SQL Server
...n defined as varchar(50) which stores uniqueidentifiers in the format 'a89b1acd95016ae6b9c8aabb07da2010' (no hyphens)
6 Ans...
Compute a confidence interval from sample data
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168
import numpy as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
...