大约有 18,000 项符合查询结果(耗时:0.0282秒) [XML]

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Simple argparse example wanted: 1 argument, 3 results

...ll I want to do is "If arg is A, do this, if B do that, if none of the above show help and quit" . 12 Answers ...
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How to find the most recent file in a directory using .NET, and without looping?

I need to find the most recently modified file in a directory. 11 Answers 11 ...
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How to make a HTTP request using Ruby on Rails?

I would like to take information from another website. Therefore (maybe) I should make a request to that website (in my case a HTTP GET request) and receive the response. ...
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Vertical Text Direction

I have been trying text to go in a vertical direction like we can do in ms-word tables but so far I have only been able to do THIS ... which I am not happy with because it's a box rotated... Isn't there a way to have actual vertical direction text? ...
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How to convert R Markdown to PDF?

I've previously asked about the commands for converting R Markdown to HTML . 8 Answers ...
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LinkedBlockingQueue vs ConcurrentLinkedQueue

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Prototypical inheritance - writing up [duplicate]

So I have these 2 examples, from javascript.info: 2 Answers 2 ...
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What is the argument for printf that formats a long?

The printf function takes an argument type, such as %d or %i for a signed int . However, I don't see anything for a long value. ...
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How would you do a “not in” query with LINQ?

I have two collections which have property Email in both collections. I need to get a list of the items in the first list where Email does not exist in the second list. With SQL I would just use "not in", but I do not know the equivalent in LINQ. How is that done? ...
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How can i use iptables on centos 7? [closed]

I installed CentOS 7 with minimal configuration (os + dev tools). I am trying to open 80 port for httpd service, but something wrong with my iptables service ... what's wrong with it? What am I doing wrong? ...