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SourceKitService Terminated

...e with Xcode where the error "Source Kit Service Terminated" is popping up and all syntax highlighting and code completion is gone in Swift. How can I fix this? ...
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What is the difference between Pan and Swipe in iOS?

...antics: a pan recognizer looks for the beginning of translational movement and continues to report movement in any direction over time, while a swipe recognizer makes an instantaneous decision as to whether the user's touches moved linearly in the required direction. By default, no two recognizers...
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NoSQL - MongoDB vs CouchDB [closed]

...noob when it comes to the NoSQL movement. I have heard lots about MongoDB and CouchDB. I know there are differences between the two. Which do you recommend learning as a first step into the NoSQL world? ...
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Count(*) vs Count(1) - SQL Server

Just wondering if any of you people use Count(1) over Count(*) and if there is a noticeable difference in performance or if this is just a legacy habit that has been brought forward from days gone past? ...
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C pointers : pointing to an array of fixed size

...orrect. I'd say that every C developer comes to exactly the same discovery and to exactly the same conclusion when (if) they reach certain level of proficiency with C language. When the specifics of your application area call for an array of specific fixed size (array size is a compile-time constan...
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Using HTML5/JavaScript to generate and save a file

I've been fiddling with WebGL lately, and have gotten a Collada reader working. Problem is it's pretty slow (Collada is a very verbose format), so I'm going to start converting files to a easier to use format (probably JSON). I already have the code to parse the file in JavaScript, so I may as well ...
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How to find all positions of the maximum value in a list?

... 0 for this is 2n, the list is iterated through 2x, once to determine max, and another time to find the positions of the max. A for loop that tracks the current max and its position might be more efficient for really long lists. – radtek Jan 8 '15 at 18:42 ...
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Link and execute external JavaScript file hosted on GitHub

... for this, now, by using jsdelivr.net. Steps: Find your link on GitHub, and click to the "Raw" version. Copy the URL. Change raw.githubusercontent.com to cdn.jsdelivr.net Insert /gh/ before your username. Remove the branch name. (Optional) Insert the version you want to link to, as @version (if y...
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Curious null-coalescing operator custom implicit conversion behaviour

...hen there is a lifted conversion involving two nullable types on the left-hand side of the coalescing operator. I have not yet identified where precisely things go wrong, but at some point during the "nullable lowering" phase of compilation -- after initial analysis but before code generation -- we...
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Can hash tables really be O(1)?

... You have two variables here, m and n, where m is the length of the input and n is the number of items in the hash. The O(1) lookup performance claim makes at least two assumptions: Your objects can be equality compared in O(1) time. There will be few ha...