大约有 20,000 项符合查询结果(耗时:0.0584秒) [XML]

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argparse store false if unspecified

How can I store false if -auto is unspecified? I can faintly remember that this way, it stores None if unspecified 4 Answ...
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Python TypeError: not enough arguments for format string

Here's the output. These are utf-8 strings I believe... some of these can be NoneType but it fails immediately, before ones like that... ...
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unary operator expected” error in Bash if condition

I've been trying to figure out whats wrong with this but just can't figure it out.. 4 Answers ...
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Android Studio needs JDK 7 for Android-L mac

I was trying to look how my app looks in material design and I would like to use the new cards lib. My Problem is, that it's giving me this error within my gradle file and I need to fix that. ...
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Install autoreconf on OS X v10.7 (Lion)?

I'm attempting to re-install Ruby 1.9.3 with a patch that will allow me to use ruby-debug . 6 Answers ...
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Parallel.ForEach vs Task.Factory.StartNew

What is the difference between the below code snippets? Won't both be using threadpool threads? 4 Answers ...
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How to Convert all strings in List to lower case using LINQ?

...snippet yesterday in one of the responses here on StackOverflow that intrigued me. It was something like this: 5 Answers ...
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How do I select the parent form based on which submit button is clicked?

I have a web page with 3 forms on it. Not nested, just one after the other (they are almost identical, just one hidden variable that's different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script. ...
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In Python, how do I create a string of n characters in one line of code?

... simply repeat the same letter 10 times: string_val = "x" * 10 # gives you "xxxxxxxxxx" And if you want something more complex, like n random lowercase letters, it's still only one line of code (not counting the import statements and defining n): from random import choice from string import asc...
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How to print full stack trace in exception?

... I usually use the .ToString() method on exceptions to present the full exception information (including the inner stack trace) in text: catch (MyCustomException ex) { Debug.WriteLine(ex.ToString()); } Sample output: Con...