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How to limit UITableView row reordering to a section
...exPath toProposedIndexPath:(NSIndexPath *)proposedDestinationIndexPath
{
if (sourceIndexPath.section != proposedDestinationIndexPath.section) {
NSInteger row = 0;
if (sourceIndexPath.section < proposedDestinationIndexPath.section) {
row = [tableView numberOfRowsInSection:sourceInd...
Postgresql aggregate array
...ent s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SELECT to GROUP BY, e.g. you don't need to repeat the student name on GROUP BY. You can merely GROUP BY on primary key. If you remove the primary key on s...
How to generate a random int in C?
... bigger reason is that the properties of rand() and functions like it are known best for the use case where they are seeded exactly once per run, and not on every single call. Depending on "randomness" with untested or unproven properties leads to trouble.
– RBerteig
...
How to get image height and width using java?
...* @return dimensions of image
* @throws IOException if the file is not a known image
*/
public static Dimension getImageDimension(File imgFile) throws IOException {
int pos = imgFile.getName().lastIndexOf(".");
if (pos == -1)
throw new IOException("No extension for file: " + imgFile.getAbs...
Mac OS X - EnvironmentError: mysql_config not found
...nstalling python-dev and libmysqlclient-dev also helped, however I do not know if these packages are available on Mac OS.
Note2: Also, make sure to try running the commands as root.
I got my answers from (besides my brain) these places (maybe you could have a look at them, to see if it would help)...
Return HTTP status code 201 in flask
We're using Flask for one of our API's and I was just wondering if anyone knew how to return a HTTP response 201?
9 Answers...
Resharper- Find all unused classes
...mber is never used" under "Redundancies in Symbol Declarations". Not sure if this is due to version change, or I am looking at it differently.
– bulltorious
May 30 '12 at 17:12
4
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What in the world are Spring beans?
...eir postProcessAfterInitialization() methods will be called.
Ready to use: Now the bean is ready to use by the application
Destroy: If the bean implements DisposableBean, it will call the destroy() method
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Imitate Facebook hide/show expanding/contracting Navigation Bar
...ed that issue, just didn't update the pod yet >_< will do that right now! .. Pod updated!
– Mazyod
Jul 6 '14 at 20:32
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When should I use malloc in C and when don't I?
... char array ( a variable) and some_memory points to that allocated memory. Now this array is both read and write. You can now do:
some_memory[0] = 'h';
and the array contents change to "hello World"
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