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INNER JOIN vs LEFT JOIN performance in SQL Server
... LEFT JOIN because the performance of LEFT JOIN is better, despite what I know. After I changed it, the speed of query got significantly improved.
...
Android Camera Preview Stretched
...and the set the measured dimension accordingly.
And the next thing you know, you end up with this :D
This also works well with he front camera. I believe this is the best way to go about this. Now the only thing left for my app is to save the preview itself upon clicking on "Capture." But ya, ...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...h custom solutions that allow CNAME-like behavior on the zone apex. To my knowledge, we have DNSimple's ALIAS record and DNS Made Easy's ANAME record; both behave similarly.
Using those, you could setup your records as (using zonefile notation, even tho you'll probably do this on their web user int...
How to stop and restart memcached server?
...
Note that services is now considered an external tool to brew. apple.stackexchange.com/questions/150300/…
– Kirby
May 6 '15 at 21:54
...
Rebasing and what does one mean by rebasing pushed commits
...stream repo, and other developer's local repos may have pointers to that. Now their pointers are stale: the git client has no alternative but to use older pointers and rely upon the human to sort the rest out. This is a re-merge, and it can be VERY messy with a lot of confusing changes that must b...
How Can I Set the Default Value of a Timestamp Column to the Current Timestamp with Laravel Migratio
...by Laravel when accessing timestamps. To fix for PostgreSQL, use: DB::raw('now()::timestamp(0)') (reference: postgresql.org/docs/8.1/static/…)
– andrewhl
Aug 11 '14 at 20:37
...
How to use the ProGuard in Android Studio?
... I have tested changing the debug to runProguard true and works perfectly. Now I read your reply, and works!!!! Great man! Thank you.
– Felipe Porge Xavier
Jan 2 '14 at 18:14
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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
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UPDATE 10/17/2012: This functionality now exists in Chrome Stable v22. In order to use this functionality in Chrome, one must enable two flags in chrome://flags:
Enable MediaStream
Enable PeerConnection
Then you can visit the AppRTC Demo Page to try out the d...
Lock, mutex, semaphore… what's the difference?
...n notification, recursion?, 'priority inversion avoidance'?, etc].
4) And now, talking about 'spinlocks', first some definitions:
Critical Region= A region of memory shared by 2 or more processes.
Lock= A variable whose value allows or denies the entrance to a 'critical region'. (It could be impl...
Object-orientation in C
..., you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int how_high);
};
struct base
{
struct base_vtable *vtable;
/* base members */
}...