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How to get RGB values from UIColor?

... error: <EXPR>:3:1: error: 'CGColorGetComponents' has been replaced by property 'CGColor.components' – pkamb Dec 7 '18 at 1:44 ...
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In C#, What is a monad?

...lue of -1 indicates failure, but there is no real way to abstract out this error checking, even if you have lots of API-calls that you need to combine in this fashion. This is basically just another monad that combines the function calls by the rule "if the function on the left returned -1, do retur...
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Get GPS location from the web browser

...(position.coords.latitude, position.coords.longitude); } function geo_error() { alert("Sorry, no position available."); } var geo_options = { enableHighAccuracy: true, maximumAge : 30000, timeout : 27000 }; var wpid = navigator.geolocation.watchPositio...
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multiple definition of template specialization when using different objects

...cialized template in different object files, I get a "multiple definition" error when linking. The only solution I found involves using the "inline" function, but it just seems like some workaround. How do I solve that without using the "inline" keyword? If that's not possible, why? ...
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How to un-escape a backslash-escaped string?

...ving an escaped semi-colon in the string breaks this code. Throws a syntax error "unexpected character after line continuation character" – darksky Jul 1 '16 at 23:00 3 ...
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Calling a function within a Class method?

... Fatal error: Using $this when not in object context – Stnfordly May 28 at 3:27 add a comment ...
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git-svn not a git command?

...ol, I ran into an interesting problem. Whenever I run git svn , I get an error saying it isn't a git command, yet there is documentation for it that I can pull up using git help . Is there something wrong with my install, or am I just missing something here? ...
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Why the switch statement cannot be applied on strings?

Compiling the following code and got the error of type illegal . 20 Answers 20 ...
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Angularjs $q.all

...to save a reference to that object. When asynchronous callbacks (success / error) are invoked, they reference only the last deferred object and only it gets resolved, so $q.all is never resolved because it still waits for other deferred objects. What you need is to create an anonymous function for e...
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Check for current Node Version

...versions.node.split('.')[0]; if (NODE_MAJOR_VERSION < 12) { throw new Error('Requires Node 12 (or higher)'); } Notes: process.versions.node is easier to work with than process.version, as you do not have to worry about whether the version starts with a leading v. If you still need to distin...