大约有 16,000 项符合查询结果(耗时:0.0236秒) [XML]

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Convert a character digit to the corresponding integer in C

...sh to check isdigit(c) is true first. Note that you cannot completely portably do the same for letters, for example: char c = 'b'; int x = c - 'a'; // x is now not necessarily 1 The standard guarantees that the char values for the digits '0' to '9' are contiguous, but makes no guarantees for othe...
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Ruby on Rails console is hanging when loading

...or whatever reason, the Ruby on Rails console refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring. ...
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Assigning a variable NaN in python without numpy

Most languages have a NaN constant you can use to assign a variable the value NaN. Can python do this without using numpy? ...
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if arguments is equal to this string, define a variable like this string

I am doing some bash script and now I got one variable call source and one array called samples , like this: 3 Answers ...
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Re-open *scratch* buffer in Emacs?

If I accidentally closed the scratch buffer in Emacs, how do I create a new scratch buffer? 16 Answers ...
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Make a link in the Android browser start up my app?

... I think you'll want to look at the <intent-filter> element of your Mainfest file. Specifically, take a look at the documentation for the <data> sub-element. Basically, what you'll need to do is define your own scheme. Something along the lines of: <intent-filte...
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Java 8 Streams - collect vs reduce

...duce() ? Does anyone have good, concrete examples of when it's definitely better to go one way or the other? 7 Answers ...
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How do I prevent 'git diff' from using a pager?

Is there a command line switch to pass to git diff and other commands that use the less pager by default? 17 Answers ...
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Difference between variable declaration syntaxes in Javascript (including global variables)?

Is there any difference between declaring a variable: 5 Answers 5 ...
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How to set breakpoints on future shared libraries with a command flag

I'm trying to automate a gdb session using the --command flag. I'm trying to set a breakpoint on a function in a shared library (the Unix equivalent of a DLL) . My cmds.gdb looks like this: ...