大约有 36,010 项符合查询结果(耗时:0.0425秒) [XML]

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I do not want to inherit the child opacity from the parent in CSS

I do not want to inherit the child opacity from the parent in CSS. 14 Answers 14 ...
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How do I check if a string is valid JSON in Python?

... You can try to do json.loads(), which will throw a ValueError if the string you pass can't be decoded as JSON. In general, the "Pythonic" philosophy for this kind of situation is called EAFP, for Easier to Ask for Forgiveness than Permissi...
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Find if variable is divisible by 2

How do I figure out if a variable is divisible by 2? Furthermore I need do a function if it is and do a different function if it is not. ...
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How do I create directory if it doesn't exist to create a file?

I have a piece of code here that breaks if the directory doesn't exist: 6 Answers 6 ...
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R and version control for the solo data analyst

...: Backup: I have a backup system already in place. Yes, and so do I. However, there are some questions to consider regarding the appropriateness of relying on a general purpose backup system to adequately track important and active files relating to your work. On the performance side: ...
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How do I fix “for loop initial declaration used outside C99 mode” GCC error?

...swered Aug 24 '08 at 6:31 OysterDOysterD 6,20055 gold badges2929 silver badges3333 bronze badges ...
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How do I clone a subdirectory only of a Git repository?

...cloning local repositories. Also note that large Git hosters, e.g. GitHub, don't actually use the Git server, they use their own implementation, so even if support shows up in the Git server, it does not automatically mean that it works on Git hosters. (OTOH, since they don't use the Git server, the...
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Append integer to beginning of list in Python [duplicate]

... a as integer, thus I cannot use append, or extend either. How would you do this? 10 Answers ...
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How do I use reflection to call a generic method?

...tatic method, pass null as the first argument to Invoke. That's nothing to do with generic methods - it's just normal reflection. As noted, a lot of this is simpler as of C# 4 using dynamic - if you can use type inference, of course. It doesn't help in cases where type inference isn't available, su...
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Why do enum permissions often have 0, 1, 2, 4 values?

... Because they are powers of two and I can do this: var permissions = Permissions.Read | Permissions.Write; And perhaps later... if( (permissions & Permissions.Write) == Permissions.Write ) { // we have write access } It is a bit field, where each set bi...