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How do you add CSS with Javascript?

... { color: red; }', sheet.cssRules.length); ...on all but (naturally) IE8 and prior, which uses its own marginally-different wording: sheet.addRule('strong', 'color: red;', -1); There is a theoretical advantage in this compared to the createElement-set-innerHTML method, in that you don't have to...
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How to get visitor's location (i.e. country) using geolocation? [duplicate]

... @juanpastas you don't. you just ping a service, and service will know. or you write service yourself, but that's out of pure javascript scope. – tishma Nov 7 '14 at 22:56 ...
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Scoping in Python 'for' loops

I'm not asking about Python's scoping rules; I understand generally how scoping works in Python for loops. My question is why the design decisions were made in this way. For example (no pun intended): ...
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Best way to store a key=>value array in JavaScript?

What's the best way to store a key=>value array in javascript, and how can that be looped through? 7 Answers ...
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Using LINQ to concatenate strings

... This answer shows usage of LINQ (Aggregate) as requested in the question and is not intended for everyday use. Because this does not use a StringBuilder it will have horrible performance for very long sequences. For regular code use String.Join as shown in the other answer Use aggregate queries l...
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Discard all and get clean copy of latest revision?

I'm moving a build process to use mercurial and want to get the working directory back to the state of the tip revision. Earlier runs of the build process will have modified some files and added some files that I don't want to commit, so I have local changes and files that aren't added to the reposi...
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How to switch a user per task or set of tasks?

...ng theme that's in my ansible playbooks is that I often must execute a command with sudo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post com...
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How to execute a MySQL command from a shell script?

How can I execute an SQL command through a shell script so that I can make it automated? 14 Answers ...
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How do I convert dates in a Pandas data frame to a 'date' data type?

I have a Pandas data frame, one of the column contains date strings in the format YYYY-MM-DD 10 Answers ...
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Sorting a tab delimited file

... can you show how to pass this delimeter to sort within an awk command? as in awk '{print $0 | "sort -nr" > "outfile" }' datafile, except with an escaped tab delimeter sent to the sort command. – Merlin Dec 1 '17 at 0:11 ...