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Check that an email address is valid on iOS [duplicate]

...rict - http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/ And because categories are just better, you could also add an interface: @interface NSString (emailValidation) - (BOOL)isValidEmail; @end Implement @implementation NSString (emailValidation) -(BOOL)isValidEmail { BOO...
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show all tags in git log

... (it is about a corner case, but quite instructive about tags in general, and it comes from another SO contributor Jakub Narębski): Please note that the name of tag (heavyweight tag, i.e. tag object) is stored in two places: in the tag object itself as a contents of 'tag' header (y...
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RGB to hex and hex to RGB

How to convert colors in RGB format to hex format and vice versa? 50 Answers 50 ...
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What is the difference between trie and radix trie data structures?

Are the trie and radix trie data structures the same thing? 3 Answers 3 ...
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How do I generate random numbers in Dart?

How do I generate random numbers using Dart? 13 Answers 13 ...
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

... "regular" scheme is dark */ /* user picked a theme a light scheme and also enabled a dark scheme */ /* deal with light scheme first */ @media (prefers-color-scheme: light) { :root { --primary: #222222; --secondary: #ffffff; --te...
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HTTP status code 0 - Error Domain=NSURLErrorDomain?

... your http error calll back, angulartutorial.net/2017/03/http-status-codes-and-meanings.html – Prashobh Mar 15 '17 at 10:48 ...
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how do I work around log4net keeping changing publickeytoken

...t your own code out by removing any direct references to log4net (new key) and replace with a reference to the assembly signed with the old key. Sort out any dependant assemblies you may have by including this segment in your web/app.config <runtime> <assemblyBinding xmlns="urn...
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Drawing Isometric game worlds

...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes. "Drawing in a diamond" approach: By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
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Remove grid, background color, and top and right borders from ggplot2

...ately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those suggestions to work. ...