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How do I apply a perspective transform to a UIView?
...with the UIView's layer, using a CATransform3D to perform the layer's rotation. The trick to get perspective working, as described here, is to directly access one of the matrix cells of the CATransform3D (m34). Matrix math has never been my thing, so I can't explain exactly why this works, but it ...
Update Item to Revision vs Revert to Revision
...icts in both cases and in revert case the modifications from roll back are mixed with all other users local changes. So at least save a patch of your modifications or commit to a branch.
– Peter Parker
Jan 11 '17 at 14:41
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What does “program to interfaces, not implementations” mean?
...ks to".
WorkerClass -> DALClass
However, let's add an interface to the mix.
WorkerClass -> IDAL -> DALClass.
So the DALClass implements the IDAL interface, and worker class ONLY calls through this.
Now if we want to write tests for the code, we could instead make a simple class that j...
How can I save an image to the camera roll?
...o the device's camera roll. All that I have done so far is set up an IBAction for the button to save the image. What library method or function can I use to save an image to the user's camera roll?
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Why should we include ttf, eot, woff, svg,… in a font-face
...re older than IE9 - they invented the spec, but eot was a proprietary solution.
ttf and otf are normal old fonts, so some people got annoyed that this meant anyone could download expensive-to-license fonts for free.
Time passes, SVG 1.1 adds a "fonts" chapter that explains how to model a font purely...
Mimicking sets in JavaScript?
...r and faster, but
// not as extensible. This implementation should not be mixed with the Set object
// as in don't pass a miniSet to a Set constructor or vice versa. Both can exist and be
// used separately in the same project, though if you want the features of the other
// sets, then you should ...
Singleton: How should it be used
...may make a right according to some, in the real world. But in programming, mixing two bad ideas does not result in a good one.
– jalf
Apr 17 '09 at 18:49
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Creating an Android trial application that expires after a fixed time period
I have an application which I want to hit the market as a Paid app. I would like to have other version which would be a "trial" version with a time limit of say, 5 days?
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Java lib or app to convert CSV to XML file? [closed]
Is there an existing application or library in Java which will allow me to convert a CSV data file to XML file?
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What is the most appropriate way to store user settings in Android application
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Okay; it's been a while since the answer is kind-of mixed, but here's a few common answers. I researched this like crazy and it was hard to build a good answer
The MODE_PRIVATE method is considered generally safe, if you assume that the user didn't root the device. Your data...