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How to easily resize/optimize an image size with iOS?
...csBeginImageContextWithOptions(size, NO, 0.0); where 0.0 will use the main screen scale to support retina and above. Apple states "You should generally avoid calling the similarly named UIGraphicsBeginImageContext function (except as a fallback for backwards compatibility)".
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How can I determine whether a 2D Point is within a Polygon?
...ing on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slower than other UIs. After all 3D APIs (OpenGL or Direct3D) also works with floats and modern graphics libraries very often ta...
Android ListView Divider
...xceptions for the "everything should be dip" rule. It'll be 1 pixel on all screens. Plus, 1px usually looks better on hdpi and above screens
"It's not 2012 anymore" edit: you may have to switch over to dp/dip starting at a certain screen density
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preferredStatusBarStyle isn't called
... a UITabBarController, which controlled the appearance of the views on the screen.
When I set the root view controller to point to this UITabBarController, the status bar changes started to work correctly, as expected (and the preferredStatusBarStyle method was getting called).
(BOOL)application:(...
Finding the Eclipse Version Number
...s 3.6, you can deduce the Eclipse Platform version directly from the About screen:
It is a combination of the Eclipse global version and the build Id:
Here is an example for Eclipse 3.6M6:
The version would be: 3.6.0.v201003121448, after the version 3.6.0 and the build Id I20100312-1448 (an Integ...
Replace console output in Python
...ey: you can use ANSI escape codes to move cursor around, clear portions of screen and change colors... see en.wikipedia.org/wiki/ANSI_escape_code
– 6502
Mar 12 '19 at 21:51
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How to check if an activity is the last one in the activity stack for an application?
I want to know if user would return to the home screen if he exit the current activity.
10 Answers
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What's the difference between ViewData and ViewBag?
... I recommend to you to not use either?
If you want to "send" data to your screen, send a strongly typed object (A.K.A. ViewModel) because it's easier to test.
If you bind to some sort of "Model" and have random "viewbag" or "viewdata" items then it makes automated testing very difficult.
If you a...
Easy way to print Perl array? (with a little formatting)
...do one thing and one thing only:
display Perl variables and objects on screen, properly formatted (to
be inspected by a human)
Example usage:
use Data::Printer;
p @array; # no need to pass references
The code above might output something like this (with colors!):
[
[0] "a",
...
Eliminate extra separators below UITableView
...nce, I looked at tables where there were more rows than could be viewed on screen, and then for a table with two rows. In both cases, no extraneous separators.
Perhaps your custom views were not actually added. To check that, set the background color to something other than clearColor, e.g., [UICol...