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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...putting it directly in your shebang—but I'd recommend against it because scripts and programs all have lives beyond what we initially believe they will have.
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Returning value from called function in a shell script
I want to return the value from a function called in a shell script. Perhaps I am missing the syntax. I tried using the global variables. But that is also not working. The code is:
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How to convert a PNG image to a SVG? [closed]
...le = 2017.pnm
potrace 2017.pnm -s -o 2017.svg
Output file = 2017.svg
Script
ykarikos proposes a script png2svg.sh that I have improved:
#!/bin/bash
File_png="${1?:Usage: $0 file.png}"
if [[ ! -s "$File_png" ]]; then
echo >&2 "The first argument ($File_png)"
echo >&2 "must...
jQuery duplicate DIV into another DIV
...king example jsfiddle
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
</head>
<body>
<div id="copy"><a href="http://brightwaay.com">Here</a> </div>
<br/>
&l...
CMake: Print out all accessible variables in a script
...ng about my variables that I defined, or the variables defined by included scripts.
4 Answers
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Why does only the first line of this Windows batch file execute but all three lines execute in a com
...nds, one after the other. Each command can be successfully executed in the script - by itself!. But when I add all three commands to the same file, only the first one executes before the script exits. Any idea why?
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How to fix the flickering in User controls
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Put the code bellow in your constructor or OnLoad event and if you're using some sort of custom user control that having sub controls, you'll need to make sure that these custom controls are also double buffered (even though in MS documentation they say it's set to tr...
Angularjs ng-model doesn't work inside ng-if
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The ng-if directive, like other directives creates a child scope. See the script below (or this jsfiddle)
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.0rc1/angular.min.js"></script>
<script>
function main($scope) {
$scope.testa = false;
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Submitting HTML form using Jquery AJAX
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Quick Description of AJAX
AJAX is simply Asyncronous JSON or XML (in most newer situations JSON). Because we are doing an ASYNC task we will likely be providing our users with a more enjoyable UI experience. In this specific case w...
How to change href of tag on button click through javascript
...ow to change the href attribute value of an <a/> tag through Javascript on button click ?
7 Answers
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