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What is meant by 'first class object'?

...nction literal) if it treats functions as first-class objects. Specifically, this means that the language supports constructing new functions during the execution of a program, storing them in data structures, passing them as arguments to other functions, and returning them as the va...
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How to make Regular expression into non-greedy?

...regex into my work and result is : invalid quantifier +\]) [Break on this error] var filterdata = takedata.match(/(\[[^\]]++\])/);\n (firebugs + Firefox) something wrong ? – Rueta May 13 '10 at 4:08 ...
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Using a dictionary to count the items in a list [duplicate]

...common data structure IMO. In fact, C++ has an implementation in the STL called std::multiset (also std::tr1::unordered_multiset) so Guido is not alone in his opinion of its importance. – awesomo Oct 18 '11 at 3:07 ...
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How to detect iPhone 5 (widescreen devices)?

..._EPSILON ) The use of fabs with the epsilon is here to prevent precision errors, when comparing floating points, as pointed in the comments by H2CO3. So from now on you can use it in standard if/else statements: if( IS_IPHONE_5 ) {} else {} Edit - Better detection As stated by some people, th...
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Convert String array to ArrayList [duplicate]

... In summary all you need is the line List<String> wordList = Arrays.asList(words); . Is this correct? – Keale Aug 5 '14 at 2:40 ...
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How to round a number to significant figures in Python

... round_sig(-0.0232) -> math domain error, you may want to add an abs() in there ;) – dgorissen Dec 19 '11 at 14:18 ...
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Have a reloadData for a UITableView animate when changing

...n calculations, but I had only one section and your code had an off-by-one error. I had to change the first line of your code to NSRange range = NSMakeRange(0, myTableView.numberOfSections); – Danyal Aytekin Jul 13 '12 at 12:41 ...
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What is the purpose of python's inner classes?

... binding can be recreated without inner class at the cost of a tedious and error-prone instrumentation of the classes. share | improve this answer | follow | ...
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Get the previous month's first and last day dates in c#

... Yes, thanks, all of you correct, even the pedantic one Fixed the error. – MikeW Feb 26 '09 at 19:24 well let...
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Django migration strategy for renaming a model and relationship fields

...ions.RenameField('YetAnotherModel', 'foo', 'bar') ] You may get some errors if you don't update the names where it's imported e.g. admin.py and even older migration files (!). Update: As ceasaro mentions, newer versions of Django are usually able to detect and ask if a model is renamed. So tr...