大约有 10,150 项符合查询结果(耗时:0.0353秒) [XML]

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How to invoke a Linux shell command from Java

I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands? ...
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curl : (1) Protocol https not supported or disabled in libcurl

I'm trying to install the Rails environments on Ubuntu 11.04. When I launch the command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received: ...
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c++11 Return value optimization or move? [duplicate]

I don't understand when I should use std::move and when I should let the compiler optimize... for example: 4 Answers ...
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iPhone Simulator - Simulate a slow connection?

Is there a way to slow down the internet connection to the iPhone Simulator, so as to mimic how the App might react when you are in a slow spot on the cellular network? ...
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How do I access properties of a javascript object if I don't know the names?

Say you have a javascript object like this: 8 Answers 8 ...
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Should I use string.isEmpty() or “”.equals(string)?

I'm usually testing this alongside a string == null , so I'm not really concerned about a null-safe test. Which should I use? ...
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Why should text files end with a newline?

I assume everyone here is familiar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why? ...
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Sorting multiple keys with Unix sort

I have potentially large files that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters. ...
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subtle differences between JavaScript and Lua [closed]

I simply love JavaScript. It's so elegant (imagine the quiet sound of lovestruck fanboy sighing in the background). 8 Answe...
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Redis strings vs Redis hashes to represent JSON: efficiency?

I want to store a JSON payload into redis. There's really 2 ways I can do this: 3 Answers ...