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How can I rollback a github repository to a specific commit?
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In github, the easy way is to delete the remote branch in the github UI, under branches tab. You have to make sure remove following settings to make the branch deletable:
Not a default branch
No opening poll requests.
The branch is not protected.
Now recreate it in your local repository to...
How to Rotate a UIImage 90 degrees?
I have a UIImage that is UIImageOrientationUp (portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally inten...
How to see query history in SQL Server Management Studio
...QL Server Transaction Log Explorer/Analyzer
SQL Server profiler – best suited if you just want to start auditing and you are not interested in what happened earlier. Make sure you use filters to select only transactions you need. Otherwise you’ll end up with ton of data very quickly.
SQL Serv...
When do you use Java's @Override annotation and why?
...I have had, maybe, 10 bugs caused by a mistake in overriding - the time required to find any one of them would easily have exceeded the time to type @Override on every one of my overriding methods. Besides, if @Override is some burdensome, you are probably over-using inheritance.
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How do you run your own code alongside Tkinter's event loop?
...y and cleanly close when the [X] button was clicked, this along with win32gui.FindWindow(None, 'window title') did the trick! I'm such a noob ;-)
– JxAxMxIxN
Oct 16 '16 at 14:48
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Apache Spark: The number of cores vs. the number of executors
...as
possible: Imagine a cluster with six nodes running NodeManagers, each
equipped with 16 cores and 64GB of memory. The NodeManager capacities,
yarn.nodemanager.resource.memory-mb and
yarn.nodemanager.resource.cpu-vcores, should probably be set to 63 *
1024 = 64512 (megabytes) and 15 respectively. W...
Difference between web reference and service reference?
...unication stack on the client side.
Note that both these definitions are quite wide, and both include services not written in .NET.
It is perfectly possible (though not recommended) to add a Web Reference that points to a WCF service, as long as the WCF endpoint uses basicHttpBinding or some compa...
Custom events in jQuery?
...now how to hook up events from the dom elements like 'click' etc, but I'm building a tiny javascript library/plugin to handle some preview functionality.
...
Creating a blurring overlay view
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You can use UIVisualEffectView to achieve this effect. This is a native API that has been fine-tuned for performance and great battery life, plus it's easy to implement.
Swift:
//only apply the blur if the user hasn't disabled transpar...
What is the best way to detect a mobile device?
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