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Test if a property is available on a dynamic variable
...running GetProperties() each time. You may be able to speed up the process by caching the result of GetProperties() for each type in a dictionary or similar. This may help if you're checking against the same set of types over and again.
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autolayout - make height of view relative to half superview height
...he listing not the builder screen. for percentages divide the smaller view by the larger view to get the multiplier value example smaller view 25, larger view 135 - 25 / 135 = 0.185. Set this as the multiplier value to get a view that at x1 and x2 = 25 but scales up with larger 6 and 6 plus etc
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How to check if a number is a power of 2
...sPowerOfTwo.html)
And the grandaddy of them, the book "Hacker's Delight" by Henry Warren, Jr.:
http://www.hackersdelight.org/
As Sean Anderson's page explains, the expression ((x & (x - 1)) == 0) incorrectly indicates that 0 is a power of 2. He suggests to use:
(!(x & (x - 1)) &&...
How to compare two Dates without the time portion?
...orking out exactly how to do something properly in a painful API, which is by definition painful. I'd rather spend that time doing something more productive :)
– Jon Skeet
Jan 26 '10 at 13:54
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Bash: Copy named files recursively, preserving folder structure
...ication times. The '-B' means use 'big blocks' (where big blocks are 5120 bytes instead of 512 bytes); it is possible it has no effect these days.
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High Quality Image Scaling Library [closed]
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Use this library: http://imageresizing.net
Have a read of this article by the library author: 20 Image Sizing Pitfalls with .NET
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Call a python function from jinja2
... on preventing me from making a function call, and insists I repeat myself by copying the function into a template as a macro.
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How to get the directory of the currently running file?
...eems to not be very reliable and many users complained of bugs that caused by this method choosing the wrong path for the executable.
– JD D
Jan 12 '16 at 15:38
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How to get the first line of a file in a bash script?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Finding what methods a Python object has
..., returning a list of methods where method is an item in the list returned by dir(object), and where each method is added to the list only if getattr(object,method) returns a callable.
– Mnebuerquo
Sep 13 '14 at 1:02
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