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Why don't they teach these things in school? [closed]

...e, despite recent advancements in materials science, civil engineers have known for about 2000 years how to build an arch that won't fall over, and this is something that can be taught and learned in university with relatively little controversy. Although I completely agree with you about the techn...
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How to make a JSONP request from Javascript without JQuery?

...ion which logs all items in someone's home. My application is set up and I now want to retrieve all the items in the main bedroom. My application is on app.home.com. The apis I need to load data from are on api.home.com. Unless the server is explicitly set up to allow it, I cannot use ajax to load t...
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How to write a cron that will run a script every day at midnight?

...-day.sh") sleep 1d - means it waits for one day and then it runs again. now give the permission to your script.use below command:- chmod +x every-day.sh now, execute this shell script in the background by using "nohup". This will keep executing the script even after you logout from your session...
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Trim string in JavaScript?

... I know this question has been asked three years back.Now,String.trim() was added natively in JavaScript.For an instance, you can trim directly as following, document.getElementById("id").value.trim(); ...
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logger configuration to log to file and print to stdout

...ogging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code: ...
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What are the best practices for SQLite on Android?

...that will be it. So, multiple threads? Use one helper. Period. If you KNOW only one thread will be writing, you MAY be able to use multiple connections, and your reads will be faster, but buyer beware. I haven't tested that much. Here's a blog post with far more detail and an example app. An...
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How to detect if a script is being sourced

... If your Bash version knows about the BASH_SOURCE array variable, try something like: # man bash | less -p BASH_SOURCE #[[ ${BASH_VERSINFO[0]} -le 2 ]] && echo 'No BASH_SOURCE array variable' && exit 1 [[ "${BASH_SOURCE[0]}" != "$...
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Android accelerometer accuracy (Inertial navigation)

...which would be pretty limiting. No one reads the TOS anyway. Oh, and you know that INS drifts with the rotation of the earth, right? So there's that too. One hour later and you're mysteriously climbing on a 15° slope into space. That's assuming you had an INS capable of maintaining location that l...
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How can I strip first and last double quotes?

... I'd recommend handling strings that are 2 characters or less. Right now this function can throw an index out of bounds exception for a string of length 0. Additionally, you can strip a quote from a string that is 1 character long. You could add a guard, len(s) >= 2, or something similar. ...
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Should unit tests be written for getter and setters?

...re also surprisingly easy to mess up. A few lines of simple tests and you know they are working and continue to work. – Charles Oct 13 '16 at 19:17 ...