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Understand convertRect:toView:, convertRect:FromView:, convertPoint:toView: and convertPoint:fromVie
...orresponds to the top left of the screen in iOS.
If you add a subview at 20,30 to this view, then a point at 0,0 in the subview corresponds to a point at 20,30 in the superview. This conversion is what those methods are doing.
Your example above is pointless (no pun intended) since it converts a...
How to insert text at beginning of a multi-line selection in vi/Vim
...mswin.vim.
– graywh
Jan 4 '09 at 21:20
19
Any idea why this wouldn't do anything after pushing es...
How to explicitly discard an out argument?
... WriteLine($"{x}");
}
Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/
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What linux shell command returns a part of a string? [duplicate]
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answered Oct 20 '08 at 18:39
ToybuilderToybuilder
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Why are flag enums usually defined with hexadecimal values
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edited Nov 4 '12 at 20:54
answered Nov 4 '12 at 20:47
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How to get share counts using graph API
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chandrajeetchandrajeet
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C++ Best way to get integer division and remainder
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answered Aug 15 '11 at 20:23
cnicutarcnicutar
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How to use R's ellipsis feature when writing your own function?
...he unevaluated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of arguments: list(a=1:10,b=11:20,c=21:30) and substitute make it a list of four elements:
List of 4
$ : symbol list
$ a: language 1:10
$ b: language 11:20
$ c: language 21:30
First e...
Why does .NET foreach loop throw NullRefException when collection is null?
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answered Jun 21 '10 at 20:15
RobaticusRobaticus
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...rimmed down example:
# ll /sys/class/tty/ttyUSB*
lrwxrwxrwx 1 root root 0 2012-03-28 20:43 /sys/class/tty/ttyUSB0 -> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/ttyUSB0/tty/ttyUSB0/
lrwxrwxrwx 1 root root 0 2012-03-28 20:44 /sys/class/tty/ttyUSB1 -> ../../devices/pci0000:00...