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Relative imports in Python 2.7

...y shouldn't do this at all for single level packages.) If we wanted to be extra-clean, we might rewrite this as, e.g.: import os, sys _i = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) if _i not in sys.path: sys.path.insert(0, _i) else: _i = None f...
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Python 3 ImportError: No module named 'ConfigParser'

...ched hostfile * base: mirror.web-ster.com * epel: mirrors.cat.pdx.edu * extras: mirror.web-ster.com * ius: mirrors.kernel.org * updates: mirror.web-ster.com No package python3-devel available. Error: Nothing to do – viru Jan 3 '19 at 20:49 ...
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Linux编程中各种头文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...务的函数原型,例如read函数、write函数和getpid函数 3. string.h 提供比如 bzero,bcopy,bcmp,memset,memcpy memcmp 等函数。 4.netdb.h定义了与网络有关的结构,变量类型,宏,函数。例如: struct hostent *gethostbyaddr(const void *addr, size_t len, int...
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What is the maximum number of characters that nvarchar(MAX) will hold?

...ort for Asian, Arab or Cyrillic languages. Use (N)VARCHAR(x) if you know a string will never be longer than x characters (don't use NVARCHAR(MAX) for a first name - use NVARCHAR(50) or whatever makes sense to you) – marc_s Nov 24 '10 at 19:09 ...
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Platform independent size_t Format specifiers in c?

...ng for? Browse other questions tagged c platform-independent size-t format-string format-specifiers or ask your own question.
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Re-raise exception with a different type and message, preserving existing information

...ng the exception; it's specifically about not handling it, but adding some extra information (an additional class and a new message) so that it can be handled further up the call stack. – bignose Apr 27 '09 at 3:24 ...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...eal list of tuples and returned that. That could potentially take a lot of extra memory. Then, generators were introduced to the language in general, and that method was reimplemented as an iterator-generator method named iteritems(). The original remains for backwards compatibility. One of Pyth...
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Image inside div has extra space below the image

...> Explanation: why is there a gap under the image? The gap or extra space under the image isn't a bug or issue, it is the default behaviour. The root cause is that images are replaced elements (see MDN replaced elements). This allows them to "act like image" and have their own intrinsic...
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Cannot delete directory with Directory.Delete(path, true)

...Just slap this code into your project. public static void DeleteDirectory(string target_dir) { string[] files = Directory.GetFiles(target_dir); string[] dirs = Directory.GetDirectories(target_dir); foreach (string file in files) { File.SetAttributes(file, FileAttributes.Nor...
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iOS 7: UITableView shows under status bar

...eck "Shows Navigation Bar" in the inspector. This solves the issue with no extra tweaking needed, and it also preserves your UITableViewController's scene in the storyboard. Using AutoLayout and embedding the UITableView into another view (I believe this is how Apple wants us to do this): Create an ...