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Short description of the scoping rules?

... Actually, a concise rule for Python Scope resolution, from Learning Python, 3rd. Ed.. (These rules are specific to variable names, not attributes. If you reference it without a period, these rules apply.) LEGB Rule Local — N...
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If table exists drop table then create it, if it does not exist just create it

...s case than not to cover, see locking note below). Second RENAME ... atomically replaces table definition, refer to MySQL manual for details. At last, DROP ... just cleans up the old table, obviously. Wrapping all statements with something like SELECT GET_LOCK('__upgrade', -1); ... DO RELEASE_LOCK...
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How to create an object for a Django model with a many to many field?

... For future visitors, you can create an object and all of its m2m objects in 2 queries using the new bulk_create in django 1.4. Note that this is only usable if you don't require any pre or post-processing on the data with save() methods or signals. What you insert is exactly...
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Using braces with dynamic variable names in PHP

I'm trying to use dynamic variable names (I'm not sure what they're actually called) But pretty much like this: 8 Answers ...
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Where do “pure virtual function call” crashes come from?

...programs that crash on my computer with the error: "pure virtual function call". 8 Answers ...
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Is the LIKE operator case-sensitive with MSSQL Server?

...r that is case sensitive, it is the column itself. When a SQL Server installation is performed a default collation is chosen to the instance. Unless explicitly mentioned otherwise (check the collate clause bellow) when a new database is created it inherits the collation from the instance and when ...
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What's the difference between console.dir and console.log?

... @icedwater: Depends on whether you have the console open when you call console.log or open it later. Yes, really. :-) – T.J. Crowder Jun 22 '17 at 17:12 ...
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Is it possible to clone html element objects in JavaScript / JQuery?

... Too bad you lose all attributes :/ – Pieter De Bie Sep 23 '19 at 12:49 add a comment  |  ...
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PowerShell Script to Find and Replace for all Files with a Specific Extension

... I would like to add that testing the solutions provided out all worked, but this one was the easiest for readability. I was able to hand this to a co-worker and he could easily understand what was going on. Thanks for the assistance. – Brandon Ma...
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Accessing dict keys like an attribute?

...__init__(*args, **kwargs) self.__dict__ = self Some pros: It actually works! No dictionary class methods are shadowed (e.g. .keys() work just fine. Unless - of course - you assign some value to them, see below) Attributes and items are always in sync Trying to access non-existent key as an...