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Detect all Firefox versions in JS

...var isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1; more specifically: if(navigator.userAgent.toLowerCase().indexOf('firefox') > -1){ // Do Firefox-related activities } You may want to consider using feature-detection ala Modernizr, or a related tool, to accomp...
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Python serialization - Why pickle?

...tored, usually one would do: with open('filename', 'wb') as f: var = {1 : 'a' , 2 : 'b'} pickle.dump(var, f) That would store the pickled version of our var dict in the 'filename' file. Then, in another script, you could load from this file into a variable and the dictionary would be recr...
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How can I tell which homebrew formulae are upgradable?

... 1 Answer 1 Active ...
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What are the “standard unambiguous date” formats for string-to-date conversion in R?

...-'NA' element, and give an error if neither works. as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed above. as.Date("01/01/2000") yields an incorrect answer because the date isn't in one of the two formats listed above. I take "standard unambiguou...
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What is scope/named_scope in rails?

... 213 A scope is a subset of a collection. Sounds complicated? It isn't. Imagine this: You have User...
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Replace new lines with a comma delimiter with Notepad++?

... | edited Apr 13 '15 at 10:07 Bonifacio2 2,59144 gold badges2828 silver badges4242 bronze badges ...
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Regex not operator

Is there an NOT operator in Regexes? Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)" ...
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jQuery slide left and show

... 185 This feature is included as part of jquery ui http://docs.jquery.com/UI/Effects/Slide if you w...
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How do I calculate the date in JavaScript three months prior to today?

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Can we delete an SMS in Android before it reaches the inbox?

... 188 Yes. Despite some negative reactions to this question, there are legitimate uses for SMS inte...