大约有 47,000 项符合查询结果(耗时:0.0493秒) [XML]

https://stackoverflow.com/ques... 

JavaScript chop/slice/trim off last character in string

...viously using the substring version. Thanks! – Matt Ball Apr 13 '10 at 14:09 33 forgive me if I'm...
https://stackoverflow.com/ques... 

Extract substring in Bash

...o-based) and "5" is the length. Also, +1 for @gontard 's link that lays it all out! – Doktor J Sep 12 '14 at 17:32 ...
https://stackoverflow.com/ques... 

How can I search for a multiline pattern in a file?

I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep : ...
https://stackoverflow.com/ques... 

MongoDB Aggregation: How to get total records count?

...sults simultaneously in single query. I can't explain how I felt when I finally achieved it LOL. $result = $collection->aggregate(array( array('$match' => $document), array('$group' => array('_id' => '$book_id', 'date' => array('$max' => '$book_viewed'), 'views' => array('...
https://stackoverflow.com/ques... 

Understanding Apache's access log

...the client IP) %l is the identity of the user determined by identd (not usually used since not reliable) %u is the user name determined by HTTP authentication %t is the time the request was received. %r is the request line from the client. ("GET / HTTP/1.0") %>s is the status code sent from the s...
https://stackoverflow.com/ques... 

Should all Python classes extend object?

...inheritance are different in ways that I won't even try to summarize here. All good documentation that I've seen about MI describes new-style classes. Finally, old-style classes have disappeared in Python 3, and inheritance from object has become implicit. So, always prefer new style classes unless...
https://stackoverflow.com/ques... 

How to print a stack trace in Node.js?

...l which stack does not. The info is in the error object if you want to manually create that line I guess. – studgeek Aug 30 '12 at 16:54 132 ...
https://stackoverflow.com/ques... 

Git: Cannot see new remote branch

... First, double check that the branch has been actually pushed remotely, by using the command git ls-remote origin. If the new branch appears in the output, try and give the command git fetch: it should download the branch references from the remote repository. If your remot...
https://stackoverflow.com/ques... 

How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]

... Valgrind for Linux (and OS X). If you use windose - deleaker - best of all! – John Smith Dec 12 '11 at 18:12 ...
https://stackoverflow.com/ques... 

How do I install an R package from source?

...nt me along this great tutorial on webscraping NYtimes with R . I would really love to try it. However, the first step is to installed a package called RJSONIO from source. ...