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Length of a JavaScript object

... This doesn't have to modify any existing prototype since Object.keys() is now built in. Edit: Objects can have symbolic properties which can not be returned via Object.key method. So the answer would be incomplete without mentioning them. Symbol type was added to the language to create unique ide...
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Is there a visual profiler for Python? [closed]

I use cProfile now but I find it tedious to write pstats code just to query the statistics data. 12 Answers ...
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Retrieving a random item from ArrayList [duplicate]

...; return it; } the return statement basically says the function will now end. anything included beyond the return statement that is also in scope of it will result in the behavior you experienced share | ...
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Convert Unix timestamp into human readable date using MySQL

...p into a human readable date? I have one field where I save Unix times and now I want to add another field for human readable dates. ...
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Concatenating null strings in Java [duplicate]

...ng Conversion", requires this operation to succeed without failure: ...Now only reference values need to be considered. If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l). Otherwise, the conversion is performed as if by an invocation of the toString...
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How can I get column names from a table in Oracle?

...: describe EVENT_LOG or desc EVENT_LOG Note: only applicable if you know the table name and specifically for Oracle. share | improve this answer | follow ...
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Can't ignore UserInterfaceState.xcuserstate

... github now gives you a default .gitignore file that includes this file among others but you still have to go through your steps. kind of annoying – cspam Feb 19 '15 at 22:40 ...
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How to run mvim (MacVim) from Terminal?

... A year ago that was what you got when you downloaded MacVim. Now it's a.tbz file, but the script is still there. – Gordon Robertson Mar 9 '11 at 10:39 6 ...
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Combining two Series into a DataFrame in pandas

...Column_name#1'] = series_1 df['Column_name#2'] = series_2 Check results now df.head(5) share | improve this answer | follow | ...
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How to have jQuery restrict file types on upload?

...t button through a JavaScript function already so I really just need to know how to check for the file types before submit or alert. ...