大约有 42,000 项符合查询结果(耗时:0.0498秒) [XML]

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What are the differences between type() and isinstance()?

...of a base class, too), while checking for equality of type does not (it demands identity of types and rejects instances of subtypes, AKA subclasses). Normally, in Python, you want your code to support inheritance, of course (since inheritance is so handy, it would be bad to stop code using yours fr...
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What does “DAMP not DRY” mean when talking about unit tests?

... It's a balance, not a contradiction DAMP and DRY are not contradictory, rather they balance two different aspects of a code's maintainability. Maintainable code (code that is easy to change) is the ultimate goal here. DAMP (Descriptive And Meaningful Phrases) promo...
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Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;

...ld Path -> Configure Build Path In Java Build Path, go to the tab Order and Export Uncheck your .jar library Only sometimes: In Order and Export tab I did not have any jar library there, so I have unchecked Android Private Libraries item. Now my project is running. ...
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What is best tool to compare two SQL Server databases (schema and data)? [duplicate]

...ike to compare two SQL Server databases including schema (table structure) and data in tables too. What is best tool to do this? ...
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The Use of Multiple JFrames: Good or Bad Practice? [closed]

I'm developing an application which displays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI. ...
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Which machine learning classifier to choose, in general? [closed]

Suppose I'm working on some classification problem. (Fraud detection and comment spam are two problems I'm working on right now, but I'm curious about any classification task in general.) ...
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What are the differences between json and simplejson Python modules?

...any projects using simplejson module instead of json module from the Standard Library. Also, there are many different simplejson modules. Why would use these alternatives, instead of the one in the Standard Library? ...
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How to merge remote changes at GitHub?

... for details. You can perform "git pull", resolve potential conflicts, and "git push" the result. A "git pull" will create a merge commit C between commits A and B. Alternatively, you can rebase your change between X and B on top of A, with "git pull --rebase", and push the result back. The...
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Flask vs webapp2 for Google App Engine

I'm starting new Google App Engine application and currently considering two frameworks: Flask and webapp2 . I'm rather satisfied with built-in webapp framework that I've used for my previous App Engine application, so I think webapp2 will be even better and I won't have any problems with it. ...
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When someone writes a new programming language, what do they write it IN?

Please excuse my ignorance. I'm dabbling in PHP and getting my feet wet browsing SO, and feel compelled to ask a question that I've been wondering about for years: ...