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How to implement the Android ActionBar back button?

...per.onCreate(savedInstanceState); // etc... getActionBar().setDisplayHomeAsUpEnabled(true); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: NavUtils.navigateUpFromSameTask(t...
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What is fastest children() or find() in jQuery?

...ly have one level of nesting. If you want the general case you'll have to set up some arbitrary nesting depths and check the performance as find() traverses deeper trees than children(). – tvanfosson Oct 31 '11 at 22:15 ...
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How do I get Windows to go as fast as Linux for compiling C++?

... number of files and a relatively small number of folders: fsutil behavior set disable8dot3 1 Use more folders. In my experience, NTFS starts to slow down with more than about 1000 files per folder. Enable parallel builds with MSBuild; just add the "/m" switch, and it will automatically start one co...
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Run batch file as a Windows service

... Why not simply set it up as a Scheduled Task that is scheduled to run at start up? share | improve this answer | f...
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VS 2012: Scroll Solution Explorer to current file

...are searching for SolutionExplorer.SyncWithActiveDocument in your Keyboard Settings (Tools->Options->Enviornment->Keyboard) In addition there is also a new icon in the Solution Explorer, more about this here. Visual Studio 2012 If you use VS 2012, there is a great plugin to add this new...
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How do I run a spring boot executable jar in a Production environment?

...Boot will not extend to covering this as it is a operating system specific setup and the are tonnes of other options, do you want it running in a chroot jail, does it need to stop / start before some other software etc. shar...
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Tuples( or arrays ) as Dictionary keys in C#

...uples are not the most performant when they're meant to be used as keys in sets since its Equals and GetHashCode implementation causes boxing for value types. I would go with tuple based dictionary, but if I want more performance, I would use my own tuple with better implementation. On a side n...
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What is the difference between “INNER JOIN” and “OUTER JOIN”?

... keyword is optional Using the tables above, we can show what the result set of a right outer join would look like: Full Outer Joins:- Full Outer Join or Full Join is to retain the nonmatching information by including nonmatching rows in the results of a join, use a full outer join. It includes...
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A simple example for someone who wants to understand Dynamic Programming [closed]

... Check out this set of videos which I found it covers both top-down and bottom-up aspect of the algorithms pretty intuitively: youtube.com/playlist?list=PLx-Ye3Zw0WL0O_IDmbcVHlKqJuGEfw3VG – william007 M...
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How can I change my default database in SQL Server without using MS SQL Server Management Studio?

...opped a database from SQL Server, however it turns out that my login was set to use the dropped database as its default. I can connect to SQL Server Management Studio by using the 'options' button in the connection dialog and selecting 'master' as the database to connect to. However, whenever I tr...