大约有 40,000 项符合查询结果(耗时:0.0511秒) [XML]

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Quick easy way to migrate SQLite3 to MySQL? [closed]

...y's built a solid library that can convert between the two. Here a list of ALL the differences in SQL syntax that I know about between the two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT ...
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Objective-C categories in static library

...roject as direct dependency (target -> general -> direct dependencies) and all works OK, but categories. A category defined in static library is not working in app. ...
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What is the most efficient way to loop through dataframes with pandas? [duplicate]

...Note that iterrows is very slow (it converts every row to a series, potentially messing with your data types). When you need an iterator, better to use itertuples – joris Jul 29 '15 at 15:46 ...
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Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?

...ple in unit testing. However, in a loosely coupled application, by moving all the references to the Composition Root, the dependency graph is severely flattened: As illustrated by the green color, it's now possible to reuse Library C without dragging along any unwanted dependencies. However, al...
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What it the significance of the Javascript constructor property?

...the constructor property is used in a few places. However, I think the overall gist still applies. Thanks to T. J. Crowder for pointing that out in the comments, and please read his answer for a fuller picture of the current situation. Original answer The constructor property makes absolutely no pra...
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Get name of current class?

... obj.__class__.__name__ will get you any objects name, so you can do this: class Clazz(): def getName(self): return self.__class__.__name__ Usage: >>> c = Clazz() >>> c.getName() 'Clazz' ...
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How can I print the contents of a hash in Perl?

I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? 11 Answers ...
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Best algorithm for detecting cycles in a directed graph [closed]

What is the most efficient algorithm for detecting all cycles within a directed graph? 14 Answers ...
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Perform commands over ssh with Python

...to automate some command line commands in Python. At the moment I'm doing calls thus: 13 Answers ...
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Django: multiple models in one template using forms [closed]

...eparate project) OR creating a new Customer, then creating a Ticket and finally creating a Note assigned to the new ticket. ...