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Detect permission of camera in iOS
... if you are testing code that uses this, you can't merely delete your App from the testing device and then re-instal. Doing this will not cause iOS to reissue the request to the user! What's worked for me though is to change the Bundle ID of the app each time I want to test this. A pain in the bum, ...
How can I import Swift code to Objective-C?
...ft classes in your project that are either annotated with @objc or inherit from NSObject.
Considerations:
If your target name contains spaces, replace them with underscores (e.g. My Project becomes My_Project-Swift.h)
If your target is a framework, you need to import <TargetName/TargetName-Swi...
Display date/time in user's locale format and time offset
...g methods will provide localized output.
Example:
// This would come from the server.
// Also, this whole block could probably be made into an mktime function.
// All very bare here for quick grasping.
d = new Date();
d.setUTCFullYear(2004);
d.setUTCMonth(1);
d.setUTCDate(29);
d.setUTCH...
How can I remove a commit on GitHub? [duplicate]
...nt below. Even after force pushing to GitHub, GH still caches your commit. From help.github.com/articles/remove-sensitive-data : "Danger: Once the commit has been pushed you should consider the data to be compromised. If you committed a password, change it! If you committed a key, generate a new one...
Detecting that the browser has no mouse and is touch-only
...only (Disabled user/browsing preference)
Touch and mouse (ie hover events from Galaxy Note 2 pen)
What's worse, is that one can transition from some of these classes to others (plugs in a mouse, connects to keyboard), or a user may APPEAR to be on a normal laptop until they reach out and touch th...
How to use auto-layout to move other views when a view is hidden?
...onstraints that way if I set UIView property to hidden or I will remove it from superview the two labels will move to the left. I tried to set UIView leading constraint to Superview (Cell content) for 10px and UILabels leading Constraints for 10 px to the next view (UIView). Later in my code
...
release Selenium chromedriver.exe from memory
...wser = webdriver.Chrome() ) I believe it should release chromedriver.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memory. I hope there is a way I can write something in python to kill the chromedriver.exe process. Obviously br...
Why do stacks typically grow downwards?
...early CPUs. For example, the Motorola 6809 would fetch the program counter from addresses 0xfffe/f so you could start running at an arbitrary location, depending on what was supplied at that address (usually, but by no means limited to, ROM).
One of the first things some historical systems would d...
Prepend a level to a pandas MultiIndex
...t also works for pd.Series objects, whereas the currently accepted answer (from 2013) does not.
– John
Jan 11 '18 at 12:03
1
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Going to a specific line number using Less in Unix
...to go to line number 320123, you would type 320123g.
Copy-pasted straight from Wikipedia.
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