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matplotlib.pyplot will not forget previous plots - how can I flush/refresh?

...after every plt.show() to just clear the current figure instead of closing and reopening it, keeping the window size and giving you a better performance and much better memory usage. Similarly, you could do plt.cla() to just clear the current axes. To clear a specific axes, useful when you have mu...
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Is it good practice to NULL a pointer after deleting it?

I'll start out by saying, use smart pointers and you'll never have to worry about this. 18 Answers ...
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Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st

...which I can clean a database in SQl Server 2005 by dropping all the tables and deleting stored procedures, triggers, constraints and all the dependencies in one SQL statement? ...
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Is there a way to list open transactions on SQL Server 2000 database?

... Jul 24 '17 at 5:47 Jibin Balachandran 3,16311 gold badge1818 silver badges3535 bronze badges answered Dec 15 '10 at 12:45 ...
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Read only the first line of a file?

...ile again when the block ends. The with statement only works in Python 2.5 and up, and in Python 2.5 you need to use from __future__ import with_statement In Python 3 you should specify the file encoding for the file you open. Read more... ...
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git - diff of current changes before committing

... git diff by default shows difference between your working directory and the index (staging area for the next commit). If you have already added (staged) the changes to the staging area, git diff --staged does the job. Staging area is the data from which the next commit will be formed by git...
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Git: Ignore tracked files

...I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add. ...
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How to Loop through items returned by a function with ng-repeat?

...ope for all watches $digest runs it, gets current value (watch.get(scope)) and compares it to watch.last. If current value is not equal to watch.last (always for first compare) $digest sets dirty to true. When all scopes are processed if dirty == true $digest starts another depth-first traversal fro...
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What's the cleanest way of applying map() to a dictionary in Swift?

...values. It also includes a filter(_:) overload which returns a Dictionary, and init(uniqueKeysWithValues:) and init(_:uniquingKeysWith:) initializers to create a Dictionary from an arbitrary sequence of tuples. That means that, if you want to change both the keys and values, you can say something li...
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How does mockito when() invocation work?

...e empty value; mockito uses indirection via proxying, method interception, and a shared instance of the MockingProgress class in order to determine whether an invocation of a method on a mock is for stubbing or replay of an existing stubbed behavior rather than passing information about stubbing vi...