大约有 44,800 项符合查询结果(耗时:0.0536秒) [XML]

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warning: [options] bootstrap class path not set in conjunction with -source 1.5

... 102 From a blog post: To use javac from JDK N to cross-compiler to an older platform version, th...
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How do I use brew installed Python as the default Python?

... try to switch to Homebrew (after using fink and macport) on Mac OS X 10.6.2. I have installed python 2.7 with 19 Answers ...
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NoSQL Use Case Scenarios or WHEN to use NoSQL [closed]

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eclipse won't start - no java virtual machine was found

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In Java, what is the best way to determine the size of an object?

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Subset of rows containing NA (missing) values in a chosen column of a data frame

...data frame DF has columns that contain observed values and a column ( VaR2 ) that contains the date at which a measurement has been taken. If the date was not recorded, the CSV file contains the value NA , for missing data. ...
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What happens if I define a 0-size array in C/C++?

... An array cannot have zero size. ISO 9899:2011 6.7.6.2: If the expression is a constant expression, it shall have a value greater than zero. The above text is true both for a plain array (paragraph 1). For a VLA (variable length array), the behavior is undefine...
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Can I export a variable to the environment from a bash script without sourcing it?

...ble, print commands that will set the environment variable: $ cat set-vars2.sh #!/bin/bash echo export FOO=BAR $ eval "$(./set-vars2.sh)" $ echo "$FOO" BAR A third approach is to have a script that sets your environment variable(s) internally and then invokes a specified command with that environ...
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Embedding JavaScript engine into .NET [closed]

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How well is Unicode supported in C++11?

... 267 How well does the C++ standard library support unicode? Terribly. A quick scan through t...