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Detect all Firefox versions in JS

...') > -1){ // Do Firefox-related activities } You may want to consider using feature-detection ala Modernizr, or a related tool, to accomplish what you need. share | improve this answer ...
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Returning value from called function in a shell script

...r" testlock(){ retval="" if mkdir "$lockdir" then # Directory did not exist, but it was created successfully echo >&2 "successfully acquired lock: $lockdir" retval="true" else echo >&2 "cannot acquire lock, giving up on $lockdir" retv...
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git switch branch without discarding local changes

...bly git stash (as all the other answer-ers that beat me to clicking post said). Run git stash save or git stash push,1 or just plain git stash which is short for save / push: $ git stash This commits your code (yes, it really does make some commits) using a weird non-branch-y method. The commit...
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How do I validate a date string format in python?

... >>> import datetime >>> def validate(date_text): try: datetime.datetime.strptime(date_text, '%Y-%m-%d') except ValueError: raise ValueError("Incorrect data format, should be YYYY-MM-DD") >>> validate('2003-12-23') >&gt...
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How can I set the Secure flag on an ASP.NET Session Cookie?

... which only transmit all cookies including session in SSL only and also inside forms authentication, but if you turn on SSL on httpcookies you must also turn it on inside forms configuration too. Edit for clarity: Put this in <system.web> <httpCookies requireSSL="true" /> ...
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How do I change the background color of a plot made with ggplot2

... There also is the theme_bw, giving you a white background and grey gridlines. I use it all the time, as in print it looks much better than the default grey background: myplot + theme_bw() – ROLO Dec 16 '11 at 9:11 ...
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When to use window.opener / window.parent / window.top

...making the assignment above, close dialog 1. Then from the code running inside dialog2, you should be able to use window.appMainWindow to reference the main window, window object. Hope this helps. share | ...
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?

...icient) For MySQL (or MariaDB), if you don't need the time information consider using the DATE column type. If you need higher accuracy, use DATETIME rather than TIMESTAMP. Beware that DATETIME columns do not store information about the timezone, so your application will have to know which timezone ...
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How to check if an object is a certain type

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How are 3D games so efficient? [closed]

...n make involves not actually trying to draw things that can't be seen. Consider a complex scene like a cityscape from Grand Theft Auto IV. The renderer isn't actually rendering all of the buildings and structures. Instead, it's rendering only what the camera can see. If you could fly around to the b...