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Why are quaternions used for rotations?
...ies; and quaternions strike a nice balance of both, being lightweight, but free from Gimbal lock.
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How to check whether mod_rewrite is enable on server?
... php file in your root folder of your WAMP server. Enter the following
phpinfo();
Access your created file from your browser.
CtrlF to open a search. Search for 'mod_rewrite'. If it is enabled you see it as 'Loaded Modules'
If not, open httpd.conf (Apache Config file) and look for the following lin...
ADB Install Fails With INSTALL_FAILED_TEST_ONLY
...generated the APK by Android studio3.0 menu:Build-->Build APK(s).
More Info:
https://commonsware.com/blog/2017/10/31/android-studio-3p0-flag-test-only.html
When exactly are onSaveInstanceState() and onRestoreInstanceState() called?
...o relaxed today after reading this answer, because I was doing the android free course on Udacity and they still have the old version of the tutorials which state in the lesson 5 exercise 8 that the onStop and onDestroy methods should not be there in the displayed textView. But I did not know that w...
Git serve: I would like it that simple
...e:
[alias]
serve = !git daemon --base-path=. --export-all --reuseaddr --informative-errors --verbose
hub = !git daemon --base-path=. --export-all --enable=receive-pack --reuseaddr --informative-errors --verbose
Also, there is more detailed tutorial about sharing via git daemon: http://l.rw.rw...
Deleting an object in java?
... but you can also call similar to System.. Runtime.getRuntime().gc(). More Info:he garbage collection routines that Java provides are members of the Runtime class. The Runtime class is a special class that has a single object (a Singleton) for each main program. The Runtime object provides a mechani...
Adding a Google Plus (one or share) link to an email newsletter
...le+: (yes, that is a working demo).
Check out the official docs for more info.
If you use this approach please be aware of the fact that it is not a direct replacement for the +1 button. The link shares the target URL on Google+, but it does not actually +1 the target page. Only the +1 button can...
Rails ActiveRecord date between
...t; @selected_date.beginning_of_day..@selected_date.end_of_day})
For more info have a look at Time calculations
Note: This code is deprecated. Use the code from the answer if you are using Rails 3.1/3.2
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How to uninstall Jenkins?
...e good to update the first part of the answer with that (though having the info for folks with older installations is still very handy).
– Alex Dixon
Jan 21 '13 at 16:25
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Connect Java to a MySQL database
...nnection though. In Java 7's try-with-resources, you get this behavior for free anyway:
– Sean Owen
May 29 '16 at 13:22
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