大约有 44,000 项符合查询结果(耗时:0.0434秒) [XML]

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What is the difference/usage of homebrew, macports or other package installation tools? [closed]

...install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy. MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it. If you are a PHP developer you can install the last version of Apache (Mac OS X uses 2.2), PH...
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Alternative to google finance api [closed]

...ahoo.com/d/quotes.csv?s=AAPL+GOOG+MSFT&f=sb2b3jk (This will generate and save a CSV for AAPL, GOOG, and MSFT) Note that you must append the format to the query string (f=..). For an overview of all of the formats see this page. For more examples, visit this page. For XML and JSON-based data...
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called

Please help me to solve this issue. I do not exactly understand what the error in the log means. 48 Answers ...
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What and where are the stack and heap?

...amming language books explain that value types are created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But, ...
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live output from subprocess command

..., I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for any errors. The problem is, I have no idea how the code is progressing. If I run it directly from the c...
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Is it possible to declare two variables of different types in a for loop?

...se a structured binding declaration. The syntax has been supported in gcc and clang for years (since gcc-7 and clang-4.0) (clang live example). This allows us to unpack a tuple like so: for (auto [i, f, s] = std::tuple{1, 1.0, std::string{"ab"}}; i < N; ++i, f += 1.5) { // ... } The above...
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Delete files or folder recursively on Windows CMD

How do I delete files or folders recursively on Windows from the command line? 12 Answers ...
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What exactly is Python's file.flush() doing?

...rs created by the runtime/library/language that you're programming against and is meant to speed things up by avoiding system calls for every write. Instead, when you write to a file object, you write into its buffer, and whenever the buffer fills up, the data is written to the actual file using sys...
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Open two instances of a file in a single Visual Studio session

...f Select menu Window → New Window from the menu. Right click the new tab and select New Vertical Tab Group If New Window is not listed in the *Window menu note that the command does exist, even as of Visual Studio 2017. Add it to the Window menu using menu Tools → Customize → Commands. At ...
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How to read a file in reverse order?

... line in reversed(open("filename").readlines()): print line.rstrip() And in Python 3: for line in reversed(list(open("filename"))): print(line.rstrip()) share | improve this answer ...