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“From View Controller” disappears using UIViewControllerContextTransitioning
... 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 workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's:
transitionContext.completeTransition(true)
UIAp...
Generating a SHA-256 hash from the Linux command line
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NOTE: on OS X (BSD), it's echo -n foobar | shasum -a 256
– Olie
Oct 16 '14 at 15:26
6
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How do I execute a command and get the output of the command within C++ using POSIX?
...use the C stdio API, I prefer the iostreams API. popen requires you to manually clean up the FILE handle, pstreams do that automatically. popen only accepts a const char* for the argument, which requires care to avoid shell injection attacks, pstreams allows you to pass a vector of strings similar t...
Objective-C for Windows
...X so that any viable OS X program can run on Windows. Because GNUStep typically uses the latest version of gcc, they also add in support for Objective-C++ and a lot of the Objective-C 2.0 features.
I haven't tested those features with GNUStep, but if you use a sufficiently new version of gcc, you m...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...s of two numbers:
the modulus (e.g. a 2,048 bit number)
the exponent (usually 65,537)
Using your RSA public key as an example, the two numbers are:
Modulus: 297,056,429,939,040,947,991,047,334,197,581,225,628,107,021,573,849,359,042,679,698,093,131,908,015,712,695,688,944,173,317,630,555,849,7...
What's onCreate(Bundle savedInstanceState)
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If you save the state of the application in a bundle (typically non-persistent, dynamic data in onSaveInstanceState), it can be passed back to onCreate if the activity needs to be recreated (e.g., orientation change) so that you don't lose this prior information. If no data was suppl...
How to mount a host directory in a Docker container
...MAGE [COMMAND] [ARG...] Run a command in a new container -P, --publish-all=false: Publish all exposed ports to the host interfaces -a, --attach=[]: Attach to stdin, stdout or stderr. -c, --cpu-shares=0: CPU shares (relative weight)
– Kishore Vaishnav
Ma...
Git serve: I would like it that simple
...lowing switches:
cd project
git daemon --reuseaddr --base-path=. --export-all --verbose
This tells git-daemon to serve up all projects inside the current directory (which I assume is the project directory containing the .git/ folder). It also tells it to re-use the same address if you shut it dow...
How to do error logging in CodeIgniter (PHP)
... wouldn't be publicly accessible- but you'll never know. Make sure to have all of this precautions in place if you change the default application/logs directory.
– Vincent Edward Gedaria Binua
Jan 29 '15 at 2:56
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Importing CommonCrypto in a Swift framework
...mething a little simpler and more robust is to create an Aggregate target called "CommonCryptoModuleMap" with a Run Script phase to generate the module map automatically and with the correct Xcode/SDK path:
The Run Script phase should contain this bash:
# This if-statement means we'll only run ...