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Closing JDBC Connections in Pool
...order in the finally block of the try block where you've acquired them. In Java 7 this can be further simplified by using try-with-resources statement.
Is the following method anything close to standard? Looks like an attempt to get a connection from the pool, and if DataSource cannot be establish...
How to add Action Bar from support library into PreferenceActivity?
...te;
}
}
No more hacking. Code taken from AppCompatPreferenceActivity.java.
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Can you make just part of a regex case-insensitive?
...single-line mode and multi-line mode.
Not all regex flavors support this. JavaScript and Python apply all mode modifiers to the entire regular expression. They don't support the (?-ismx) syntax, since turning off an option is pointless when mode modifiers apply to the whole regular expressions. All...
Which is the correct shorthand - “regex” or “regexp” [closed]
... as 1991. (http://groups.google.com/group/misc.misc/msg/e75ca9cb78220ea0?)
JavaScript and Ruby both have Regexp or RegExp in their standard libraries.
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Why does the arrow (->) operator in C exist?
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@Shahbaz That may be the case for a java programmer, a C/C++ programmer will understand a.b.c.d and a->b->c->d as two very different things: The first is a single memory access to a nested sub-object (there is only a single memory object in this case),...
OnCreateOptionsMenu() not called in Fragment
...t app crashes with 11-27 01:55:34.468: E/AndroidRuntime(12294): Caused by: java.lang.ClassCastException: com.android.internal.view.menu.MenuItemImpl cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26 '13 at 20:26
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
... = bits map { _.toString + "!" }
displayed: scala.collection.immutable.Set[java.lang.String] = Set(1!, 2!, 3!)
See how you always get the best possible type? If you map Ints to Ints you get again a BitSet, but if you map Ints to Strings, you get a general Set. Both the static type and the runtime ...
Variable is accessed within inner class. Needs to be declared final
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@the_prole I think you can use final in Java, but I am not sure if you can use it when building Android app, so Googling it might be a good idea :-)
– Kevin Zhao
Oct 12 '15 at 20:15
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Android ClassNotFoundException: Didn't find class on path
...ies
The "Properties for " panel will open. From the menu on the left go to Java Build Path -> Order and Export
From the list below uncheck the box next to "Android Dependencies"
Finally clean your project and run
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What are the precise rules for when you can omit parenthesis, dots, braces, = (functions), etc.?
... ‘=’. Why an
equals sign? Why not just curly braces
{…}, like in Java? Because semicolons,
function return types, method
arguments lists, and even the curly
braces are sometimes omitted, using an
equals sign prevents several possible
parsing ambiguities. Using an equals
sign al...