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How can I match on an attribute that contains a certain string?
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However, it will also find partial matches like class="catag bobtag".
If you don't want partial matches, see bobince's answer below.
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git reset --hard HEAD leaves untracked files behind
...-f -d to get rid of untracked files and directories in your working copy.
If you need to reset the whole repository to master including all git submodules, run this script:
git reset --hard HEAD
git clean -f -d
git checkout master
git fetch origin master
git reset --hard origin/master
git pull
git...
How to get the max of two values in MySQL?
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Use GREATEST()
E.g.:
SELECT GREATEST(2,1);
Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)
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Implementation difference between Aggregation and Composition in Java
I'm aware of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples?
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Use C++ with Cocoa Instead of Objective-C?
...on on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
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Best way to list files in Java, sorted by Date Modified?
...n was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way.
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When do we need to set ProcessStartInfo.UseShellExecute to True?
If we spawn a new process, when do we need to set UseShellExecute to True?
5 Answers
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clearing a char array c
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It depends on how you want to view the array. If you are viewing the array as a series of chars, then the only way to clear out the data is to touch every entry. memset is probably the most effective way to achieve this.
On the other hand, if you are choosing to view th...
What is Ember RunLoop and how does it work?
...ff into a separate library called backburner.js, with some very minor API differences.
First off, read these:
http://blog.sproutcore.com/the-run-loop-part-1/
http://blog.sproutcore.com/the-run-loop-part-2/
They're not 100% accurate to Ember, but the core concepts and motivation behind the RunLoo...
How to create a zip file in Java
...ile called mytext.txt. Of course you can add more zip entries and also specify a subdirectory like this:
ZipEntry e = new ZipEntry("folderName/mytext.txt");
You can find more information about compression with Java here.
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