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Cropping an UIImage
...ve mentioned, this method doesn't take rotation into account; read some additional answers and spread some upvote love around to keep the responses to this question helpful for everyone.
Original response:
I'm going to copy/paste my response to the same question elsewhere:
There isn't a simple cl...
Computed / calculated / virtual / derived columns in PostgreSQL
...computed columns" of SQL Server.
STORED generated columns are introduced with Postgres 12. Trivial example:
CREATE TABLE tbl (
int1 int
, int2 int
, product bigint GENERATED ALWAYS AS (int1 * int2) STORED
);
db<>fiddle here
VIRTUAL generated columns may come with one of the next i...
Text overflow ellipsis on two lines
I know you can use a combination of CSS rules to make text end with ellipsis (...) when it's time to overflow (get out of parent's bounds).
...
Set a default font for whole iOS app?
...
It seems to be possible in iOS 5 using the UIAppearance proxy.
[[UILabel appearance] setFont:[UIFont fontWithName:@"YourFontName" size:17.0]];
That will set the font to be whatever your custom font is for all UILabels in ...
What's the difference between HEAD, working tree and index, in Git?
...n someone tell me the difference between HEAD, working tree and index, in Git?
5 Answers
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user authentication libraries for node.js?
...tion for a user (using a custom backend auth DB), and associate that user with a session.
15 Answers
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use localStorage across subdomains
I'm replacing cookies with localStorage on browsers that can support it (anyone but IE). The problem is site.com and www . site.com store their own separate localStorage objects. I believe www is considered a subdomain (a stupid decision if you ask me). If a user was originally on site.com a...
How do I get the 'clear' command in Cygwin?
...
Install the Cygwin package ncurses; it is in the Utils category.
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CSS background image alt attribute
... have not had to tackle before. I need to use alt tags on all images in a site including those used by CSS background-image attribute.
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AngularJS $http and $resource
... is for general purpose AJAX. In most cases this is what you'll be using. With $http you're going to be making GET, POST, DELETE type calls manually and processing the objects they return on your own.
$resource wraps $http for use in RESTful web API scenarios.
Speaking VERY generally: A RESTful...