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How to break out from a ruby block?

... the Tin Man 147k3131 gold badges192192 silver badges272272 bronze badges answered Sep 10 '09 at 0:02 JRLJRL ...
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap

... Applies to Bootstrap 3 only. Ignoring the letters (xs, sm, md, lg) for now, I'll start with just the numbers... the numbers (1-12) represent a portion of the total width of any div all divs are divided into 12 columns so, col-*-6 spans 6 of 12...
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How to convert a table to a data frame

... 324 I figured it out already: as.data.frame.matrix(mytable) does what I need -- apparently, th...
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How to create abstract properties in python abstract classes

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What does numpy.random.seed(0) do?

..., 0.65, 0.44, 0.89]) >>> numpy.random.rand(4) array([ 0.96, 0.38, 0.79, 0.53]) (pseudo-)random numbers work by starting with a number (the seed), multiplying it by a large number, adding an offset, then taking modulo of that sum. The resulting number is then used as the seed to gen...
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How do I list all versions of a gem available at a remote site?

...c --remote --all Which returns: *** REMOTE GEMS *** rhc (0.84.15, 0.84.13, 0.83.9, 0.82.18, 0.81.14, 0.80.5, 0.79.5, 0.77.8, 0.75.9, 0.74.6, 0.74.5, 0.73.14, 0.72.29, 0.71.2, 0.69.6, 0.69.3, 0.68.5) rhcp (0.2.18, 0.2.17, 0.2.16, 0.2.15, 0.2.14, 0.1.9, 0.1.8, 0.1.7, 0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1...
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What is the difference between “text” and new String(“text”)?

...his is very peculiar, and is rarely the intention. References JLS 15.21.3 Reference Equality Operators == and != class Object - boolean Object(equals) Related issues Java String.equals versus == How do I compare strings in Java? ...
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How to use a decimal range() step value?

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Cast Object to Generic Type for returning

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CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术

... //启动MySQL #/usr/local/mysql/bin/mysqladmin -u root password 123456 //设置MySQL密码 #cp support-files/my-medium.cnf /etc/my.cnf #echo "/usr/local/mysql/bin/mysqld_safe &" >>/etc/rc.local 二、安装PCRE PCRE是perl所用到的正则表达式,目的是让所装...