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Is nested function a good approach when required by only one function? [closed]

...o_it ... >>> a = sum(1, 3) >>> a <function do_it at 0xb772b304> >>> a() 4 Is this what you were looking for? It's called a closure. share | improve this answer ...
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Python CSV error: line contains NULL byte

... @AP257: '\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1 is the "signature" denoting an OLE2 Compound Document file -- e.g. an Excel 97-2003 .XLS file. I find "in a text editor it looks like a perfectly reasonable CSV file" to be utterly unbelievable. You must have been...
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node.js hash string?

...4 is less longer). You can get the issue with : sha256("\xac"), "\xd1", "\xb9", "\xe2", "\xbb", "\x93", etc... Other languages (like PHP, Python, Perl...) and my solution with .update(data, "binary") : sha1("\xac") //39527c59247a39d18ad48b9947ea738396a3bc47 Nodejs by default (without binary) :...
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Play sound on button click android

... Here is the result, again nothing works dropbox.com/s/9xb0lzesp0ibx9z/2.jpg – Dmitry Aug 27 '13 at 7:39 ...
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How do you load custom UITableViewCells from Xib files?

...7966 0x18d7407 0x183a7c0 0x1839db4 0x1839ccb 0x1f8b879 0x1f8b93e 0x585a9b 0xb904d 0x2c75) terminate called throwing an exceptionCurrent language: auto; currently objective-c An easy workaround is to point your Interface Builder connections at the UITableViewCell instead of File's Owner: Right c...
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Why does Python code use len() function instead of a length method?

...m. Compare the easy with which we rewrite a formula like x*(a+b) into xa + xb to the clumsiness of doing the same thing using a raw OO notation. (b) When I read code that says len(x) I know that it is asking for the length of something. This tells me two things: the result is an integer, and the arg...
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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”

...ck=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb7f12708) = -1 ENOMEM (Cannot allocate memory) ... I know others have talked about swap and memory availability (and I would recommend that you set up at least a small swap partition, ironically even if it's on a RAM disk ...
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?

...|arguments|interface|protected|implements|instanceof)$)[\x24A-Z\x5Fa-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05...
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What killed my process and why?

...y in use, rather than just allocated) and other factors. sudo journalctl -xb You'll see a message like: Jul 20 11:05:00 someapp kernel: Mem-Info: Jul 20 11:05:00 someapp kernel: Node 0 DMA per-cpu: Jul 20 11:05:00 someapp kernel: CPU 0: hi: 0, btch: 1 usd: 0 Jul 20 11:05:00 someapp ker...
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What integer hash function are good that accepts an integer hash key?

...). uint64_t hash(uint64_t x) { x = (x ^ (x >> 30)) * UINT64_C(0xbf58476d1ce4e5b9); x = (x ^ (x >> 27)) * UINT64_C(0x94d049bb133111eb); x = x ^ (x >> 31); return x; } For Java, use long, add L to the constant, replace >> with >>> and remove unsigne...