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How to get RGB values from UIColor?
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Be warned that this method will only succeed if the starting color is in "a compatible color space", which can vary depending on the device/OS. For example I just discovered that calling this on [UIColor darkGrayColor] will fail on an iPad 2 running iOS 7. However the same col...
Fast and Lean PDF Viewer for iPhone / iPad / iOS - tips and hints?
...eleased automatically when memory warnings are issued.
Whenever the user start zooming, I acquire the CGPDFPage and render it using the appropriate CTM. The code in - (void)drawLayer: (CALayer*)layer inContext: (CGContextRef) context is like :
CGAffineTransform currentCTM = CGContextGetCTM(conte...
Multi-gradient shapes
...dd stops for the colors that you need. Basically, in my example, you would start with a light green, fade to white slightly before the center (to give a fade, rather than a harsh transition), fade from white to mid green between 45% and 55%, then fade from mid green to dark green from 55% to the end...
AsyncTask threads never die
...n which i am running a AsyncTask to perform some operation and the service starts when the widget button is being pressed and when the task is finished it must stop the servie immediately , but sometimes AsyncTask wont die ,so can u tell me how do i stop it
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last day of month calculation
...may use any available LocalDate to LocalDateTime conversion like
lastDay.atStartOfDay(); //2015-11-30T00:00
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Detect when a window is resized using JavaScript ?
...pdates them in the page for you to see. Remember the event doesn't really start or end, it just "happens" when a resize occurs...there's nothing to say another one won't happen.
Edit: By comments it seems you want something like a "on-end" event, the solution you found does this, with a few exce...
Time complexity of Sieve of Eratosthenes algorithm
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Keep in mind that when you find a prime number P while sieving, you don't start crossing off numbers at your current position + P; you actually start crossing off numbers at P^2. All multiples of P less than P^2 will have been crossed off by previous prime numbers.
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What are the GCC default include directories?
...r output, which allows to automatically cut the include pathes from lines, starting with a single space:
$ echo | gcc -Wp,-v -x c++ - -fsyntax-only
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/4.8.2/include-fixed"
ignoring nonexistent directory "/usr/lib/gcc/x86_64-redhat-linux/...
Elegant way to search for UTF-8 files with BOM?
...ing purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script:
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Django DB Settings 'Improperly Configured' Error
...s, i.e. those that manage.py shell runs initially. One can add them to the start of the testing script or just run the tests using manage.py test.
Versions:
Python 3.5 (in virtualenv)
PyCharm 2016.3.2 Professional
Django 1.10
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