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UICollectionView Set number of columns

...[self.myCollectionView.collectionViewLayout invalidateLayout]; } Additionally, here are 2 really good tutorials on UICollectionViews: http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12 http://skeuo.com/uicollectionview-custom-layout-tutorial ...
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Reference — What does this symbol mean in PHP?

... have the same results. Pre-increment is a little bit faster because it really increments the variable and after that 'returns' the result. Post-increment creates a special variable, copies there the value of the first variable and only after the first variable is used, replaces its value with seco...
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How do I get a Cron like scheduler in Python? [closed]

... suppose this code is in scheduler.py. will this code run automatically ? – Kishan Mehta Mar 6 '17 at 11:40 31 ...
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Docker: adding a file from a parent directory

...ce it tries to do it from its same directory (tbh, just what one would normally expect). Is there any way to do the same trick in Docker Hub? – Marcel Hernandez Mar 25 '16 at 20:31 ...
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How can I save a screenshot directly to a file in Windows? [closed]

...ormat format = ImageFormat.PNG; or ImageFormat format = ImageFormat.JPG; All is here for you – Patrick Desjardins Oct 1 '08 at 15:31 4 ...
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Count Rows in Doctrine QueryBuilder

... He accepted your answer so I guess all is well. I was under the impression that he only wanted a count without the overhead of actually retrieving the rows which my example shows. There is of course no reason why where conditions could not be added. ...
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How to get the CPU Usage in C#?

I want to get the overall total CPU usage for an application in C#. I've found many ways to dig into the properties of processes, but I only want the CPU usage of the processes, and the total CPU like you get in the TaskManager. ...
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Select multiple records based on list of Id's with linq

I have a list containing Id's of my UserProfile table. How can i select all UserProfiles based on the list of Id's i got in a var using LINQ ? ...
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Declaring an enum within a class

... Sadly, it doesn't allow member functions: stackoverflow.com/a/53284026/7395227 – Andreas Apr 17 '19 at 18:29 add a comment  |  ...
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How do I use a custom deleter with a std::unique_ptr member?

...is solution is that it doubles the overhead of every unique_ptr (they must all store the function pointer along with the pointer to the actual data), requires passing the destruction function every time, it can't inline (since the template can't specialize to the specific function, only the signatur...