大约有 42,000 项符合查询结果(耗时:0.0480秒) [XML]

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How to stop/terminate a python script from running?

I wrote a program in IDLE to tokenize text files and it starts to tokeniza 349 text files! How can I stop it? How can I stop a running Python program? ...
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How do I check if a list is empty?

For example, if passed the following: 27 Answers 27 ...
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What's the best strategy for unit-testing database-driven applications?

I work with a lot of web applications that are driven by databases of varying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modul...
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How exactly does a generator comprehension work?

What does generator comprehension do? How does it work? I couldn't find a tutorial about it. 6 Answers ...
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Is there a way to cache GitHub credentials for pushing commits?

...itched to synchronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time. ...
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Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

In multiple courses, books, and jobs, I have seen text fields defined as VARCHAR(255) as kind of the default for "shortish" text. Is there any good reason that a length of 255 is chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a go...
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Create a “with” block on several context managers? [duplicate]

Suppose you have three objects you acquire via context manager, for instance A lock, a db connection and an ip socket. You can acquire them by: ...
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SQL WHERE ID IN (id1, id2, …, idn)

I need to write a query to retrieve a big list of ids. 9 Answers 9 ...
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Share cookie between subdomain and domain

I have two questions. I understand that if I specify the domain as .mydomain.com (with the leading dot) in the cookie that all subdomains can share a cookie. ...
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Alternatives to JavaScript

At the moment, the only fully supported language, and the de-facto standard for DOM tree manipulation in the browser is JavaScript. It looks like it has deep design issues that make it a minefield of bugs and security holes for the novice. ...