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Spring DAO vs Spring ORM vs Spring JDBC
...to the proper DataAccessException subclass.
As an example, suppose you're now using Hibernate, and your service layer catches HibernateException in order to react to it. If you change to JPA, your DAOs interfaces should not change, and the service layer will still compile with blocks that catches H...
Saving interactive Matplotlib figures
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pickle now works on MPL figures, so this can be done and appears to work reasonable well - almost like a Matlab ".fig" figure file. See my answer below (for now?) for an example of how to do it.
– Demis
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Is object empty? [duplicate]
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This answer now works in all modern browsers; definitely the best one unless you need to support IE8-.
– Brad Koch
Oct 10 '14 at 14:17
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How to convert floats to human-readable fractions?
...t;(double)0x7FFFFFFF) break; // AF: representation failure
}
/* now remaining x is between 0 and 1/ai */
/* approx as either 0 or 1/m where m is max that will fit in maxden */
/* first try zero */
printf("%ld/%ld, error = %e\n", m[0][0], m[1][0],
startx - ((double) ...
Reading output of a command into an array in Bash
...t really understand why this was even implemented in the first place!).
Now I'm going to tell you why the following method:
my_array=( $( my_command) )
is broken when there are spaces:
$ # I'm using this command to test:
$ echo "one two"; echo "three four"
one two
three four
$ # Now I'm going...
How can a web application send push notifications to iOS devices? [closed]
...ort push notifications.
UPDATE:
Mac OS X 10.9 & Safari 7 websites can now also send push notifications, but this still does not apply to iOS.
Read the Notification Programming Guide for Websites. Also check out WWDC 2013 Session 614.
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How can I save an image with PIL?
... BMP (without the dot) or pass the output name with the extension already. Now to handle the error you need to properly modify your data in the frequency domain to be saved as an integer image, PIL is telling you that it doesn't accept float data to save as BMP.
Here is a suggestion (with other mino...
When to use self over $this?
...I did get some more information that I found helpful further down, but for now I was just trying to figure out why I hit my class attributes with $this->attrib and the class constants with self::constant. This helped me understand that better
– MydKnight
Jul...
What is “git remote add …” and “git push origin master”?
...o answer your first question.
What is git remote add ...
As you probably know, git is a distributed version control system. Most operations are done locally. To communicate with the outside world, git uses what are called remotes. These are repositories other than the one on your local disk which y...
What are the recommendations for html tag?
..., and as I originally feared, that makes it more trouble than it's worth. Now I have to go off and rewrite all my uses of it! :p
Related links of testing for issues when using "fragments"/hashes:
http://www.w3.org/People/mimasa/test/base/
http://www.w3.org/People/mimasa/test/base/results
Edit...