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How to check if an object is an array?

... 49 Answers 49 Active ...
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How to install psycopg2 with “pip” on Python?

... 842 Note: Since a while back, there are binary wheels for Windows in PyPI, so this should no longer...
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JavaScript before leaving the page

... before the page is unloaded, but you cannot redirect from there (Chrome 14+ blocks alerts inside onunload): window.onunload = function() { alert('Bye.'); } Or with jQuery: $(window).unload(function(){ alert('Bye.'); }); ...
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Query for documents where array size is greater than 1

... Andrew OrsichAndrew Orsich 47.9k1414 gold badges129129 silver badges130130 bronze badges ...
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How do I write a for loop in bash

... 104 From this site: for i in $(seq 1 10); do echo $i done ...
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How to make the hardware beep sound in Mac OS X 10.6

... answered May 18 '17 at 19:49 duskwuff -inactive-duskwuff -inactive- 166k2525 gold badges209209 silver badges259259 bronze badges ...
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How to trigger a click on a link using jQuery

... 14 @mashappslabs - That's okay. I'm happy for you if you feel the need to do premature and micro optimizations, no matter how true it is. :) ...
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how to check the dtype of a column in python pandas

... column with dtype: for y in agg.columns: if(agg[y].dtype == np.float64 or agg[y].dtype == np.int64): treat_numeric(agg[y]) else: treat_str(agg[y]) share | improve this...
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CSS text-transform capitalize on all caps

...| edited Aug 12 '10 at 19:41 answered Aug 12 '10 at 19:26 H...
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Check existence of input argument in a Bash shell script

... 2442 It is: if [ $# -eq 0 ] then echo "No arguments supplied" fi The $# variable will tell y...