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How to ssh to vagrant without actually running “vagrant ssh”?
I would like to reproduce the way Vagrant logs in to my VM within a shell script using an ssh command, so I create an alias to my Vagrant instance.
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Convert a Scala list to a tuple?
How can I convert a list with (say) 3 elements into a tuple of size 3?
13 Answers
13
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Using Mockito with multiple calls to the same method with the same arguments
Is there a way to have a stubbed method return different objects on subsequent invocations? I'd like to do this to test nondeterminate responses from an ExecutorCompletionService . i.e. to test that irrespective of the return order of the methods, the outcome remains constant.
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Rails: What's a good way to validate links (URLs)?
I was wondering how I would best validate URLs in Rails. I was thinking of using a regular expression, but am not sure if this is the best practice.
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度
...由 天空一直巨响 于 2015-09-20 11:35 编辑
做了好几年的flash的aser,技术一直停留在flash这个狭小的容器内,最近转向php,才慢慢体会到之前充实技术开发前的那段极度渴望去学习新知识的那种动力,可能在大多数的人眼里,php是...
Put icon inside input element in a form
How do I put an icon inside a form's input element?
16 Answers
16
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From an array of objects, extract value of a property as array
I have JavaScript object array with the following structure:
16 Answers
16
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ORA-00979 not a group by expression
I am getting ORA-00979 with the following query:
8 Answers
8
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Omit rows containing specific column of NA
I want to know how to omit NA values in a data frame, but only in some columns I am interested in.
8 Answers
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pip issue installing almost any library
I have a difficult time using pip to install almost anything. I'm new to coding, so I thought maybe this is something I've been doing wrong and have opted out to easy_install to get most of what I needed done, which has generally worked. However, now I'm trying to download the nltk library, and neit...
