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What's a concise way to check that environment variables are set in a Unix shell script?
I've got a few Unix shell scripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
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proper way to sudo over ssh
I have a script which runs another script via SSH on a remote server using sudo. However, when I type the password, it shows up on the terminal. (Otherwise it works fine)
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Can you pass parameters to an AngularJS controller on creation?
...;
<html ng-app="angularjs-starter">
<head lang="en">
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.3/angular.min.js"></script>
<script src="app.js"></script>
</head>
<body ng-controller="MainCtrl" ng-init="init('James Bond','0...
Response.Redirect to new window
... open in a new browser window. I've done this before without using the JavaScript register script method. I just can't remember how?
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Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
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pip broke. how to fix DistributionNotFound error?
... '__main__':
sys.exit(
load_entry_point('pip==0.8.2', 'console_scripts', 'pip')()
)
I installed pip through easy_install which probably caused me this headache.
I think this is how you should do it nowadays..
$ sudo apt-get install python-pip python-dev build-essential
$ sudo pip...
Bash: Syntax error: redirection unexpected
I do this in a script:
9 Answers
9
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How can I enable or disable the GPS programmatically on Android?
...out showing that builder.Because i need to turn on gps without showing any alerts.
– Punithapriya
Jul 26 '16 at 6:57
3
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Adjust width and height of iframe to fit with content in it
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<script type="application/javascript">
function resizeIFrameToFitContent( iFrame ) {
iFrame.width = iFrame.contentWindow.document.body.scrollWidth;
iFrame.height = iFrame.contentWindow.document.body.scrollHeight;...
How to handle command-line arguments in PowerShell
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You are reinventing the wheel. Normal PowerShell scripts have parameters starting with -, like script.ps1 -server http://devserver
Then you handle them in param section in the beginning of the file.
You can also assign default values to your params, read them from console...