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UICollectionView's cellForItemAtIndexPath is not being called
... but it appears your missing your delegate and data source. In your header file, make sure you have added these:
<UICollectionViewDelegate, UICollectionViewDataSource>
and in your viewDidLoad method add this:
self.myCollectionView.delegate = self;
self.myCollectionView.dataSource = self;
...
Detecting endianness programmatically in a C++ program
...one at compile time (specially for performance reason) by using the header files available from the compiler or create your own. On linux you have the header file "/usr/include/endian.h"
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How to loop through a HashMap in JSP?
...entry.getValue();
// ...
}
However, scriptlets (raw Java code in JSP files, those <% %> things) are considered a poor practice. I recommend to install JSTL (just drop the JAR file in /WEB-INF/lib and declare the needed taglibs in top of JSP). It has a <c:forEach> tag which can iter...
How to repeat a “block” in a django template
...l Website{% endblock %}{% endblock %}{% endblock %}
Requires an extra file unfortunately, but doesn't require you to pass the title from the view.
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Optimise PostgreSQL for fast testing
... you can see sorts spilling to disk in EXPLAIN or logged with the log_temp_files setting (recommended), but a higher value may also let Pg pick smarter plans.
As said by another poster here it's wise to put the xlog and the main tables/indexes on separate HDDs if possible. Separate partitions is pr...
How to add a right button to a UINavigationController?
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@Suragch, how can I do the same things with xib files instead of storyboards? , thanks
– Cristian Chaparro A.
Mar 28 '16 at 3:24
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postgres default timezone
...n your "timezones" folder in /usr/share/postgresql/9.1/ for the appropiate file, in my case would be "America.txt", in it, search for the closest location to your zone and copy the first letters in the left column.
For example: if you are in "New York" or "Panama" it would be "EST":
# - EST: East...
Are there any Java method ordering conventions? [closed]
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@finnw, file a bug report. Stranger things have been known to be implemented from there.
– Thorbjørn Ravn Andersen
Jan 12 '11 at 12:36
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How to detect online/offline event cross-browser?
...well in Firefox and Opera with the
Work Offline option in the File menu.
Pulling the ethernet cable doesn't seem to trigger it.
Later Google Chrome and Safari seem to trigger it well
*/
window.addEventListener("online", isOnline, false);
w...
“From View Controller” disappears using UIViewControllerContextTransitioning
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I was having the same problem here – looks like a bug in iOS 8. I've filed a radar.
I used Reveal to inspect the view hierarchy after the screen goes black. The key UIWindow is completely empty – no view hierarchy at all!
I played around a bit and it looks like there is an easy workarou...