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Pinging servers in Python
...mmand = ['ping', param, '1', host]
return subprocess.call(command) == 0
Note that, according to @ikrase on Windows this function will still return True if you get a Destination Host Unreachable error.
Explanation
The command is ping in both Windows and Unix-like systems.
The option -n (Wind...
Visually managing MongoDB documents and collections [closed]
... (Core version is free for personal and non-commercial use). Last commit: 2017-Jul-24
Robo 3T – acquired by Studio 3T. A shell-centric cross-platform open source MongoDB management tool. Shell-related features only, e.g. multiple shells and results, autocomplete. No export/ import or other feature...
How to check if a String is numeric in Java
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708
With Apache Commons Lang 3.5 and above: NumberUtils.isCreatable or StringUtils.isNumeric.
With...
how to split the ng-repeat data with three columns using bootstrap
...on and usage.
function chunk(arr, size) {
var newArr = [];
for (var i=0; i<arr.length; i+=size) {
newArr.push(arr.slice(i, i+size));
}
return newArr;
}
$scope.chunkedData = chunk(myData, 3);
Then your view would look like this:
<div class="row" ng-repeat="rows in chunkedData"&...
How do I remove all specific characters at the end of a string in PHP?
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edited May 30 '15 at 5:17
Mike Kormendy
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How to get the nth element of a python list or a default if not available
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10 Answers
10
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How to convert a currency string to a double with jQuery or Javascript?
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Remove all non dot / digits:
var currency = "-$4,400.50";
var number = Number(currency.replace(/[^0-9.-]+/g,""));
share
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foll...
Angular.js programmatically setting a form field to dirty
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edited Mar 30 '16 at 16:43
Mosh Feu
21.9k1212 gold badges6868 silver badges105105 bronze badges
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Best way to merge two maps and sum the values of same key?
...rt Scalaz._
import Scalaz._
scala> val map1 = Map(1 -> 9 , 2 -> 20)
map1: scala.collection.immutable.Map[Int,Int] = Map(1 -> 9, 2 -> 20)
scala> val map2 = Map(1 -> 100, 3 -> 300)
map2: scala.collection.immutable.Map[Int,Int] = Map(1 -> 100, 3 -> 300)
scala> map1 |...
How to create a tag with Javascript?
...red; }',
head = document.head || document.getElementsByTagName('head')[0],
style = document.createElement('style');
head.appendChild(style);
style.type = 'text/css';
if (style.styleSheet){
// This is required for IE8 and below.
style.styleSheet.cssText = css;
} else {
style.appendChi...