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Copying PostgreSQL database to another server
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FerranFerran
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Aborting a shell script if any command returns a non-zero value?
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answered May 4 '09 at 19:00
Ville LaurikariVille Laurikari
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How to convert a char array back to a string?
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edited Oct 4 '11 at 23:30
answered Oct 4 '11 at 23:24
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Why is `[` better than `subset`?
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244
This question was answered in well in the comments by @James, pointing to an excellent explanat...
SVN Commit specific files
...list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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How to test a merge without actually merging first
...k to the state you were at before with:
git reset --merge
Since git 1.7.4, you can also abort the merge by doing:
git merge --abort
(As the commit message that added that option explains, this was added for consistency with git rebase --abort and so on.)
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...函数，那么m和n的值可有点“悬乎”了，例如：
//m=3；n=4
extern void myprint(int l，const char *format,...)
__attribute__((format(printf,3,4)));
其原因是，类成员函数的第一个参数实际上一个“隐身”的“this”指针。（有点C++基础的都知道点t...
Running multiple AsyncTasks at the same time — not possible?
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438
AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is...
Delegates: Predicate vs. Action vs. Func
...hough it's rarely used.
– G-Wiz
Jan 4 '10 at 23:03
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The Converter is a nice delegate when a lot ...
Rails Observer Alternatives for 4.0
With Observers officially removed from Rails 4.0 , I'm curious what other developers are using in their place. (Other than using the extracted gem.) While Observers were certainly abused and could easily become unwieldily at times, there were many use-cases outside of just cache-clearing where they...