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What is the difference between JavaConverters and JavaConversions in Scala?
...eating wrappers that implement either the Scala interface and forward the calls to the underlying Java collection, or the Java interface, forwarding the calls to the underlying Scala collection.
JavaConverters uses the pimp-my-library pattern to “add” the asScala method to the Java collections ...
How to set the thumbnail image on HTML5 video?
...reload="metadata">
<source src="https://www.w3schools.com/html/mov_bbb.mp4#t=0.5" type="video/mp4">
</video>
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Calculate age given the birth date in the format YYYYMMDD
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@RobG I don't think a full year technically has passed from 2000-02-29 to 2001-02-28, making your answer invalid. It wouldn't make sense, 2000-02-28 to 2001-02-28 is a year, so 2000-02-29 to 2001-02-28, must be less than a year.
– André Sne...
UIActivityViewController crashing on iOS 8 iPads
...image];
UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:postItems applicationActivities:nil];
//if iPhone
if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone) {
[self presentViewController:controller animated:YES completion:nil];
}
//if iPa...
When is TCP option SO_LINGER (0) required?
...void large numbers of connections sitting in the TIME_WAIT state, tying up all the available resources on a server.
When a TCP connection is closed cleanly, the end that initiated the close ("active close") ends up with the connection sitting in TIME_WAIT for several minutes. So if your protocol i...
`require': no such file to load — mkmf (LoadError)
I was trying to install rails on Ubuntu Natty Narwhal 11.04, using ruby1.9.1.
10 Answers
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Viewing all defined variables [duplicate]
...ython shell. What I want to have is Matlab style listout where you can see all the variables that have been defined up to a point (so I know which names I've used, their values and such).
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Detect if the app was launched/opened from a push notification
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I am getting the call to application:didReceiveRemoteNotification: after tapping the notification regardless of whether the app is just in the background or not running at all so this answer suits my needs perfectly. Tested on iOS 7 & 8
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This app won't run unless you update Google Play Services (via Bazaar)
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UPDATE
The Google maps API v2 is now installed on the latest Google system images (api:19 ARM or x86).
So your application should just work with the new images. There is no need to install these files.
I've been trying to run an Android Google Maps V2 application u...
What is the most efficient/elegant way to parse a flat table into a tree?
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Now that MySQL 8.0 supports recursive queries, we can say that all popular SQL databases support recursive queries in standard syntax.
WITH RECURSIVE MyTree AS (
SELECT * FROM MyTable WHERE ParentId IS NULL
UNION ALL
SELECT m.* FROM MyTABLE AS m JOIN MyTree AS t ON m.ParentI...