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How do I write a bash script to restart a process if it dies?

...1) with an @reboot rule. Open your cron rules with crontab: crontab -e Then add a rule to start your monitor script: @reboot /usr/local/bin/myservermonitor Alternatively; look at inittab(5) and /etc/inittab. You can add a line in there to have myserver start at a certain init level and be ...
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scheduleAtFixedRate vs scheduleWithFixedDelay

...ocumentation, "If any execution of this task takes longer than its period, then subsequent executions may start late, but will not concurrently execute." In other words, a conforming implementation would not allow the next one to execute until the previous one finishes. – M. J...
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What's the difference between Ruby's dup and clone methods?

...ver, cloneing a new record that has never been saved should be pretty safe then ? Can I build a "template object" this way, and clone it to save specific instances ? – Cyril Duchon-Doris Dec 22 '16 at 18:53 ...
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SQL to find the number of distinct values in a column

...ct count(distinct my_col) + count(distinct Case when my_col is null then 1 else null end) from my_table / share | improve this answer | follow | ...
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What is the best way to test for an empty string in Go?

... If it's noi in the diff then it's not new. Why don't you post direct link? Anyways. enough detective work for me... I don't see it. – honzajde May 16 '17 at 10:07 ...
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How do I push amended commit to the remote Git repository?

...hen I've worked a bit with my source code, I did my usual thing commit and then I pushed to a remote repository. But then I noticed I forgot to organize my imports in the source code. So I do the amend command to replace the previous commit: ...
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Cannot overwrite model once compiled Mongoose

... The error is occurring because you already have a schema defined, and then you are defining the schema again. Generally what you should do is instantiate the schema once, and then have a global object call it when it needs it. For example: user_model.js var mongoose = require('mongoose');...
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How is Node.js inherently faster when it still relies on Threads internally?

...he examples he gives, where a request comes in and you run some query, and then do something with the results of that. If you write it in a standard procedural way, the code might look like this: result = query( "select smurfs from some_mushroom" ); // twiddle fingers go_do_something_with_result( ...
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How to disable Crashlytics during development

... Use a different android:versionString for debug and release builds and then disable crash reporting from the Crashlytics web dashboard for the debug version. Wrap the call to Crashlytics.start() in an if statement that checks a debug flag. You could use either a custom flag or an approach like t...
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What is a “callback” in C and how are they implemented?

... If the asterisk is missing, would that be incorrect? If that is incorrect then there are two missing stars in the libsrtp library of cisco on github: github.com/cisco/libsrtp/blob/… github.com/cisco/libsrtp/blob/… – twildeman Nov 7 '17 at 10:13 ...