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How to prevent the activity from loading twice on pressing the button
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This is the correct approach. It will even handle Button Selected States for you (if you provide them) and all the Material Design “goodies” you’d expect from a simple standard Widget. I can’t believe people use timers for this. Then you start seeing strange libraries to ha...
Wrapping chained method calls on a separate line in Eclipse for Java
...ormatter → Edit → Line wrapping (tab)
Then, in the list at the left, select:
Function Calls → Qualified invocations
Now below this list, set Line wrapping policy to:
Wrap all elements, except first element if not necessary
Check:
Force split, even if line shorter than maximu...
Convert data.frame column to a vector?
... The reminder of drop=FALSE is useful - this helps me in cases where I may select N columns from a data.frame, in those cases where N=1.
– Iterator
Aug 15 '11 at 20:42
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System.IO.Packaging
...4.0:
In your project's Solution Explorer, right-click on References and select Add References from the context menu.
Select Assemblies in the left-hand pane, then click the Browse button next to the File name field near the botton of the pane.
Browse to .NET 4.0 reference assemblies and select Wi...
Configuration With Same Name Already Exists
...n the table, Click the dropdown in the Platform column for the project and select , to add a new platform.
Click OK.
Repeat adding new platforms as needed.
Save the project.
Return the previously moved solution file back to where it was.
Reopen the combined project solution.
sour...
Where does Visual Studio look for C++ header files?
...e file directory to the project settings by right-clicking the project and selecting Properties, clicking on "C/C++", and adding the directory containing the include files to the "Additional Include Directories" edit box.
sh...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... I'm using caches on multiple levels anyway. You can always explicitly use SELECT SQL_CACHE <rest of statement> though.
– Will Morgan
May 4 '12 at 16:37
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How to write :hover condition for a:before and a:after?
...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one.
If you're writing CSS3, you can denote a pseudo-eleme...
How to reset Android Studio
...e list of recent projects. Now right click the item you want to remove and select Remove from list (repeat for all items to remove).
– free3dom
Nov 19 '14 at 7:24
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What is lazy loading in Hibernate?
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Bydefault lazy loading is true.Lazy loading means when the select query is executed it will not hit the database. It will wait for getter function i.e when we required then ,it will fetch from the datbase.
for example:
You are a parent who has a kid with a lot of toys. But the curren...