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Inspect hovered element in Chrome?
... view, through Chrome's developer tools, how tooltips are structured on a site. However, even when I am hovered over the item, when I "inspect element", nothing shows for the tooltip in the html. I know I can set the Style to :hover , but I still can't see the html or css of the tooltip.
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How to best position Swing GUIs?
...a GUI in the middle of the screen looks so.. "splash-screen'ish". I keep waiting for them to disappear and the real GUI to appear!
Since Java 1.5 we've had access to Window.setLocationByPlatform(boolean). which..
Sets whether this Window should appear at the default location for the native wind...
What is the difference between the states selected, checked and activated in Android?
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The difference between Checked and Activated is actually quite interesting. Even the Google documentation is apologetic (emphasis below added):
... For example, in a list view with single or multiple selection
enabled, the views in the current selection set are activated. (Um,...
How can I assign an ID to a view programmatically?
... assigned to a Preference in XML is not used when the Preference generates its View.)
Assign id via code (programmatically)
Manually set ids using someView.setId(int);
The int must be positive, but is otherwise arbitrary- it can be whatever you want (keep reading if this is frightful.)
For examp...
Git: Recover deleted (remote) branch
I need to recover two Git branches that I somehow deleted during a push.
9 Answers
9
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How can I determine if a String is non-null and not only whitespace in Groovy?
Groovy adds the isAllWhitespace() method to Strings, which is great, but there doesn't seem to be a good way of determining if a String has something other than just white space in it.
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What does iterator->second mean?
In C++, what is the type of a std::map<>::iterator ?
2 Answers
2
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Count Rows in Doctrine QueryBuilder
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Something like:
$qb = $entityManager->createQueryBuilder();
$qb->select('count(account.id)');
$qb->from('ZaysoCoreBundle:Account','account');
$count = $qb->getQuery()->getSingleScalarResult();
Some folks feel that expressions are som...
Could not load file or assembly 'System.Web.Http 4.0.0 after update from 2012 to 2013
...follow
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edited Aug 29 '17 at 17:38
meJustAndrew
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Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is just a Java array, except again you index in...