大约有 9,000 项符合查询结果(耗时:0.0169秒) [XML]

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Why is using 'eval' a bad practice?

I am using the following class to easily store data of my songs. 8 Answers 8 ...
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What exactly does += do in python?

I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other short hand tools in python. ...
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PostgreSQL Autoincrement

I'm switching from MySQL to PostgreSQL and was wondering how I can do autoincrement values. I saw in the PostgreSQL docs a datatype "serial", but I get syntax errors when using it (in v8.0). ...
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Android studio using > 100% CPU at all times - no background processes appear to be running

I've noticed Android Studio (when running) uses greater than 100% CPU at all times, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were something specific to my box, but some fellow developers are encountering this as well. ...
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Unable to execute dex: method ID not in [0, 0xffff]: 65536

... have seen various versions of the dex erros before, but this one is new. clean/restart etc won't help. Library projects seems intact and dependency seems to be linked correctly. ...
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How to move an iFrame in the DOM without losing its state?

Take a look at this simple HTML: 8 Answers 8 ...
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How can I get a web site's favicon?

Simple enough question: I've create a small app that is basically just a favourites that sits in my system tray so that I can open often-used sites/folders/files from the same place. Getting the default icons from my system for known file types isn't terribly complicated, but I don't know how to get...
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Is an empty href valid?

One of our web developers uses the following html as a placeholder for styling a drop down list. 10 Answers ...
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Does SQLAlchemy have an equivalent of Django's get_or_create?

I want to get an object from the database if it already exists (based on provided parameters) or create it if it does not. ...
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How do you squash commits into one patch with git format-patch?

I've got eight commits on a branch that I'd like to email to some people who aren't git enlightened, yet. So far, everything I do either gives me 8 patch files, or starts giving me patch files for every commit in the branch's history, since the beginning of time. I used git rebase --interactive to...