大约有 8,700 项符合查询结果(耗时:0.0277秒) [XML]

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JavaScript curry: what are the practical applications?

... I found functions that resemble python's functools.partial more useful in JavaScript: function partial(fn) { return partialWithScope.apply(this, Array.prototype.concat.apply([fn, this], Array.prototype.slice.call(arguments, 1))); } function pa...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...but with transaction.atomic() and TransactionTestCase didn't work for me. python manage.py test -r instead of python manage.py test is ok for me, maybe the order of execution is crucial then i find a doc about Order in which tests are executed, It mentions which test will run first. So, i use Tes...
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D Programming Language in the real world? [closed]

...n, a monitor object for each class, runtime type info, etc. Unlike Ruby, Python, PHP, etc, D tries to be almost as fast as C, even if it is less dynamic and slightly more difficult to program in than scripting languages. The result is a language that is optimal when both development time and execu...
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How to convert a negative number to positive?

How can I convert a negative number to positive in Python? (And keep a positive one.) 6 Answers ...
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Append value to empty vector in R?

... FWIW: analogous to python's append(): b <- 1 b <- c(b, 2) share | improve this answer | follow ...
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What is an anti-pattern?

... <do something>; except: pass may be the Cardinal Sin antipattern in Python. See this: realpython.com/blog/python/… – eric Dec 14 '17 at 15:48 1 ...
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Why sizeof int is wrong, while sizeof(int) is right?

...t 30 '12 at 23:44 Fabrício Matté 63.9k2222 gold badges115115 silver badges156156 bronze badges answered Oct 29 '12 at 12:53 ...
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Normalize data in pandas

... Slightly modified from: Python Pandas Dataframe: Normalize data between 0.01 and 0.99? but from some of the comments thought it was relevant (sorry if considered a repost though...) I wanted customized normalization in that regular percentile of da...
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Difference between Pig and Hive? Why have both? [closed]

... by analysts comfortable with SQL as well as by data miners programming in Python. SQL compatibility efforts in Pig have been abandoned AFAIK - so the difference between the two projects is very clear. Supporting SQL syntax also means that it's possible to integrate with existing BI tools like Micr...
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How to bind RadioButtons to an enum?

...tter : if (_myEnumBackingField == value) return; – Stéphane Mar 24 '11 at 12:55 8 The binding on...