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How to run a command before a Bash script exits?

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Insert a line at specific line number with sed or awk

... has a wq command to save and quit, but old ed's don't. Further reading: https://gnu.org/software/ed/manual/ed_manual.html share | improve this answer | follow ...
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How can I access my localhost from my Android device?

...r. Either go hardcore: first find out your router external IP address (https://www.google.de/search?q=myip) then, on the router, forward some port to <your desktop IP>:<server port number> finally use the external IP address and forwarded port Otherwise use something like xip.io or...
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Django: Why do some model fields clash with each other?

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$(window).width() not the same as media query

...nsistent with the CSS media queries and the browser support is quite good: http://caniuse.com/#feat=matchmedia UPDATE: If you have to support more browsers you can use Modernizr's mq method, it supports all browsers that understand media queries in CSS. if (Modernizr.mq('(max-width: 767px)')) { ...
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Finding row index containing maximum value using R

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How are feature_importances in RandomForestClassifier determined?

...culate the values from an instance of a scikit-learn random forest class: https://github.com/pjh2011/rf_perm_feat_import Edit: This works for Python 2.7, not 3 share | improve this answer ...
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Shorthand way for assigning a single field in a record, while copying the rest of the fields?

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Why is it slower to iterate over a small string than a small list?

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How add “or” in switch statements?

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