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UnboundLocalError on local variable when reassigned after first use
...scope if the name is not found in the current scope. Assignment is always done in the local scope (unless you use global or nonlocal to force global or nonlocal assignment)
– Steven
Sep 13 '11 at 12:00
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Converting a List to a comma separated string
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Clever but slow and bloated, as it allocates one string per element. Using a StringBuilder would be much more efficient.
– Steven Sudit
Oct 6 '09 at 23:49
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Are trailing commas in arrays and objects part of the spec?
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Just a quick reminder/warning that this is one of the areas in which the JavaScript/ECMAScript standard and JSON standard differ; trailing commas are valid in JS but not valid in JSON.
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Why is my git repository so big?
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I recently pulled the wrong remote repository into the local one (git remote add ... and git remote update). After deleting the unwanted remote ref, branches and tags I still had 1.4GB (!) of wasted space in my repository. I was only able to get rid of this by cloning it with git clo...
Convert one date format into another in PHP
Is there a simple way to convert one date format into another date format in PHP?
15 Answers
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scheduleAtFixedRate vs scheduleWithFixedDelay
...g coffee
02:10: Finish making coffee
If I schedule with a fixed delay of one hour, I'd have:
00:00: Start making coffee
00:10: Finish making coffee
01:10: Start making coffee
01:20: Finish making coffee
02:20: Start making coffee
02:30: Finish making coffee
Which one you want depends on your ta...
How do I display an alert dialog on Android?
... to the user that shows "Are you sure you want to delete this entry?" with one button that says 'Delete'. When Delete is touched, it should delete that entry, otherwise nothing.
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open read and close a file in 1 line of code
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If you really need a one-liner, it is possible to put the output = f.read() part on the same line after the :.
– Karl Knechtel
Nov 4 '11 at 16:03
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Is there a shortcut in Eclipse to Re-run the most recently launched program?
One of the most frequent thing I do with Eclipse is to re-run the last program. I do it by going to Run -> Run History -> [top most item] .
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How to get sp_executesql result into a variable?
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Just a tangential Question, What about more than one OUTPUT? what would be the Query look like?
– Srivastav
Apr 13 '15 at 14:43
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