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How to output a multiline string in Bash?
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this worked for me in a script where the above answer does not (without modification).
– David Welch
Sep 25 '18 at 0:16
4
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Test if a variable is set in bash when using “set -o nounset”
...(x86_64-redhat-linux-gnu)
$ set -o nounset
If you want a non-interactive script to print an error and exit if a variable is null or not set:
$ [[ "${HOME:?}" ]]
$ [[ "${IAMUNBOUND:?}" ]]
bash: IAMUNBOUND: parameter null or not set
$ IAMNULL=""
$ [[ "${IAMNULL:?}" ]]
bash: IAMNULL: parameter nul...
Is AngularJS just for single-page applications (SPAs)?
...first with Angular as well. Then one day it dawned on me: "It is STILL javascript". There are a bunch of examples on the ins-and-outs of Angular (one of my favorites along with the book https://github.com/angular-app/angular-app). The biggest thing to remember is to load in the js files just like yo...
Fast Bitmap Blur For Android SDK
...needed 500ms while the blurring only took another 250 ms or so.
Use Renderscript
Renderscript provides ScriptIntrinsicBlur which is a Gaussian blur filter. It has good visual quality and is just the fastest you realistically get on Android. Google claims to be "typically 2-3x faster than a multith...
iPhone Safari Web App opens links in new window
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I found JavaScript solution in iWebKit framework:
var a=document.getElementsByTagName("a");
for(var i=0;i<a.length;i++)
{
a[i].onclick=function()
{
window.location=this.getAttribute("href");
return false
}...
Is there an easy way to check the .NET Framework version?
...rk.
To check the .NET version, Microsoft has provided two different sample scripts depending on the .NET version that is being checked, but I don't like having two different C# scripts for this.
So I tried to combine them into one, here's the script GetDotNetVersion.cs I created (and updated it for ...
Dynamically generating a QR code with PHP [closed]
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qrcode-generator on Github. Simplest script and works like charm.
Pros:
No third party dependency
No limitations for the number of QR code
generations
share
|
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Disable browser cache for entire ASP.NET website
...ed previously, do not disable caching for everything. For instance, jQuery scripts used heavily in ASP.NET MVC should be cached. Actually ideally you should be using a CDN for those anyway, but my point is some content should be cached.
What I find works best here rather than sprinkling the [Output...
I am getting Failed to load resource: net::ERR_BLOCKED_BY_CLIENT with Google chrome
...Glad that I could help :) - Annoying as it is, as a rudimentary Adblock script would 'assume' with the word "advert" in it that its showing unwanted ads !!! Programmers tasked with including external ad scripting are just going to use arbitrary id names to get around the current Ad blockers.
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How to gracefully handle the SIGKILL signal in Java
...er watcher program watch for your main program to go away or use a wrapper script. You could do with this with a shell script that polled the ps command looking for your program in the list and act accordingly when it disappeared.
#!/usr/bin/env bash
java TestShutdownHook
wait
# notify your other ...