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JPA EntityManager: Why use persist() over merge()?
...rt the new register to the database.
persist() efficiency:
It could be more efficient for inserting a new register to a database than merge().
It doesn't duplicates the original object.
persist() semantics:
It makes sure that you are inserting and not updating by mistake.
Example:
{
A...
Xcode 4 - detach the console/log window
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Getting vertical gridlines to appear in line plot in matplotlib
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Entity Framework rollback and remove bad migration
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Objective-C categories in static library
...then in any class we can use logSelf category method;
[self logSelf];
And more blogs on theme:
http://t-machine.org/index.php/2009/10/13/how-to-make-an-iphone-static-library-part-1/
http://blog.costan.us/2009/12/fat-iphone-static-libraries-device-and.html
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Favicons - Best practices
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Favicon is way more complex than what it sounds. 10 years ago, favicon.ico was the only needed item. Then, there was the touch icon, then multiple touch icons dues to the various iOS devices screen resolutions, then there was the tile icon ...
How does a public key verify a signature?
...d by the private key, but that this relationship did not work inversely... more specifically, I did not think objects encrypted with the private key could be decrypted by the public key. If that is indeed the case, than this definitely answers my question.
– jcampos8782
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Algorithm to detect intersection of two rectangles?
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Fastest Way to Find Distance Between Two Lat/Long Points
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