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Running a cron every 30 seconds

...g your process running in some form but, once that's sorted, the following script should work: #!/bin/env bash # Debug code to start on minute boundary and to # gradually increase maximum payload duration to # see what happens when the payload exceeds 30 seconds. ((maxtime = 20)) while [[ "$(date ...
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how to stop browser back button using javascript

...o restrict the user from going back in an exam. I have tried the following script but it stops my timer. What should I do? ...
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How can I write text on a HTML5 canvas element?

...kup: <canvas id="myCanvas" width="300" height="150"></canvas> Script (with few different options): <script> var canvas = document.getElementById('myCanvas'); var ctx = canvas.getContext('2d'); ctx.font = 'italic 18px Arial'; ctx.textAlign = 'center'; ctx. textB...
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How to write a bash script that takes optional input arguments?

I want my script to be able to take an optional input, 8 Answers 8 ...
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SQL DROP TABLE foreign key constraint

... and newer, you can Right Click on the DB -> Tasks -> Generate Scripts Select the tables you want to DROP. Select "Save to new query window". Click on the Advanced button. Set Script DROP and CREATE to Script DROP. Set Script Foreign Keys to True. Click OK. Click Next -> Next ->...
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Facebook Callback appends '#_=_' to Return URL

...k php-sdk) $facebook->getLoginUrl(array('redirect_uri' => $_SERVER['SCRIPT_URI'],'scope' => 'user_about_me')); UPDATE The above is exactly as the documentation says to fix this. However, Facebook's documented solution does not work. Please consider leaving a comment on the Facebook Pl...
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How can I set focus on an element in an HTML form using JavaScript?

...nt is something like this.. <input type="text" id="mytext"/> Your script would be <script> function setFocusToTextBox(){ document.getElementById("mytext").focus(); } </script> share | ...
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Batch script to delete files

I have a batch script as follows. 5 Answers 5 ...
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How do I run a Node.js application as its own process?

...ervice file (replacing 'myapp' with your app's name, obviously): [Unit] Description=My app [Service] ExecStart=/var/www/myapp/app.js Restart=always User=nobody # Note Debian/Ubuntu uses 'nogroup', RHEL/Fedora uses 'nobody' Group=nobody Environment=PATH=/usr/bin:/usr/local/bin Environment=NODE_ENV=...
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How do you truncate all tables in a database using TSQL?

... SSMS, you'll probably want to add SET ROWCOUNT 0 at the beginning of your script since the default is to limit actions to 500 rows! You'll get frustrating errors like I did because not all data will have actually been deleted. – Sean Hanley Aug 17 '11 at 15:50...