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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
...h a POSIX-compliant test implementation -- not just bash, but ash/dash/ksh/etc.
– Charles Duffy
Aug 15 '18 at 17:37
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How do I check if an object has a specific property in JavaScript?
... answers present techniques that are more broad (work with arrays, strings etc.)
– Danubian Sailor
Aug 27 '14 at 12:22
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How can you debug a CORS request with cURL?
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In order to view the actual headers, you need to add the --verbose option, as mentioned above.
– monsur
Feb 25 '13 at 14:24
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How do I escape characters in c# comments?
...HTML capabilities in my method/class prologue comments (red text, italics, etc). Surely an IDE could work a little HTML processing magic to liven up inline comments.
My hack-of-a-solution solution: I change '<' to "{" and '>" to "}". That seems to cover me for the typical example usage styl...
How to create a printable Twitter-Bootstrap page
...ylesheet that applies to printing. Note that CSS cascading still works; so order, inheritance and selector priorities will influence the outcome. You'd probably ask a new question with your own code.
– albertedevigo
May 2 '16 at 6:31
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How to install a gem or update RubyGems if it fails with a permissions error
...y is before the path for the system Ruby.
$ echo $PATH will show you the order of your load path.
If you find that your shims directory comes after your system Ruby bin directory, then edit your ~/.bashrc file and put this as your last export PATH command: export PATH=$HOME/.rbenv/shims:$PATH
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Getting visitors country from their IP
...ebsite to get any data, the website might go down, the service could stop, etc. And if you get an increased number of visitors on your website, this service could ban you.
– machineaddict
Jun 19 '15 at 8:12
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How to ignore whitespace in a regular expression subject string?
...to find the begin and end index of the match (including any whitespace) in order to highlight that match and any whitespace needs to be there for formatting purposes.
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How to create a temporary directory?
... I had to use mktemp -d -t <prefix>
– Heath Borders
Oct 3 '13 at 14:24
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This is a OS X ...
Eclipse: How do you change the highlight color of the currently selected method/expression?
... to search for the highlight by its name ("Ocurrence" or "Write Ocurrence" etc), just right click and the appropriate window is shown.
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