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Understanding dispatch_async
...ount).
The level of concurrency is handled entirely by the system and is based on system load and other internally determined factors. This is the beauty of Grand Central Dispatch (the dispatch_async() system) - you just make your work units as code blocks, set a priority for them (based on the qu...
What is default color for text in textview?
...
This looks like it will properly select the colour based on theme, and will update for instance, if the app is in night mode.
– Brill Pappin
Aug 26 '15 at 15:47
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convert UIImage to NSData
...{
UIImage *snapshot = self.myImageView.image;
[self encodeImageToBase64String:snapshot];
}
call this method for image convert in base 64
-(NSString *)encodeImageToBase64String:(UIImage *)image
{
return [UIImagePNGRepresentation(image) base64EncodedStringWithOptions:N...
Getting rid of all the rounded corners in Twitter Bootstrap
...ling it you can now set radius in the variables.less file:
@border-radius-base: 0px;
@border-radius-large: 0px;
@border-radius-small: 0px;
In bootstrap 4 if you are compiling it you can disable radius alltogether in the _custom.scss file:
$enable-rounded: false;
...
How to move files from one git repo to another (not a clone), preserving history
...ctory 1. The result is the contents of directory 1 spewed out
into to the base of repository A.
git filter-branch --subdirectory-filter <directory> -- --all
# eg. git filter-branch --subdirectory-filter subfolder1/subfolder2/FOLDER_TO_KEEP -- --all
For single file move only: go through what...
How are 3D games so efficient? [closed]
...ail as much as you can -- low/medium/high versions of 3D models and switch based on distance from camera player - no point rendering a high-res version if it's only 5 pixels on screen.
share
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impr...
Apache and Node.js on the Same Server
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Where do I add this on debian based distributions? There's no httpd.conf file.
– santi
Jul 27 '15 at 12:11
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Set line spacing
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It don't work in Presto based Opera. I need a workaround... please! :\
– user2284570
Nov 24 '13 at 20:21
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How can I access “static” class variables within class methods in Python?
... @Mk12: When you've got class inheritance, a "class variable"could be in a base class or a subclass. Which do you want to refer to? Depends on what you're trying to do. Foo.bar would always refer to an attribute of the specified class--which might be a base class or a subclass. self.__class__.bar wo...
String.Empty versus “” [duplicate]
...he bottom line. Choosing between "" and String.Empty is not a performance-based decision. Don't waste a lot of time thinking about it. Choose based on whatever you find more readable, or whatever convention is already being used in your project.
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