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How can I delete a newline if it is the last character in a file?
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perl -pe 'chomp if eof' filename >filename2
or, to edit the file in place:
perl -pi -e 'chomp if eof' filename
[Editor's note: -pi -e was originally -pie, but, as noted by several commenters and explained by @hvd, the...
Batch file include external file for variables
...ternal file containing some variables (say configuration variables). Is it possible?
8 Answers
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How to export all collections in MongoDB?
I want to export all collections in MongoDB by the command:
26 Answers
26
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What should a Multipart HTTP request with multiple files look like? [duplicate]
I'm working on an iPhone app that makes a multipart HTTP request with multiple image files.
2 Answers
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How to change the author and committer name and e-mail of multiple commits in Git?
I was writing a simple script in the school computer, and committing the changes to Git (in a repo that was in my pendrive, cloned from my computer at home). After several commits I realized I was committing stuff as the root user.
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LINQ - Full Outer Join
I have a list of people's ID and their first name, and a list of people's ID and their surname. Some people don't have a first name and some don't have a surname; I'd like to do a full outer join on the two lists.
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线程访问窗口资源的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...于一个线程当中。当你在B线程使用A线程的窗口对象指针pWnd，B线程对此对象指针做AssertValid时，会因为以下几种原因导致断言失败:
1. CHandleMap* pMap = afxMapHWND(); ASSERT(pMap != NULL)失败;该线程没有映射表。原因这个线程只是工...
Finding three elements in an array whose sum is closest to a given number
Given an array of integers, A 1 , A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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Get querystring from URL using jQuery [duplicate]
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From: http://jquery-howto.blogspot.com/2009/09/get-url-parameters-values-with-jquery.html
This is what you need :)
The following code will return a JavaScript Object containing the URL parameters:
// Read a page's GET URL variables...
simple HTTP server in Java using only Java SE API
Is there a way to create a very basic HTTP server (supporting only GET/POST) in Java using just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is the...