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How to join NSArray elements into an NSString?
Given an NSArray of NSStrings, is there a quick way to join them together into a single NSString (with a Separator)?
3 Answ...
Why are two different concepts both called “heap”?
Why are the runtime heap used for dynamic memory allocation in C-style languages and the data structure both called "the heap"? Is there some relation?
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MySQL DISTINCT on a GROUP_CONCAT()
I am doing SELECT GROUP_CONCAT(categories SEPARATOR ' ') FROM table . Sample data below:
6 Answers
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How to remove .htaccess password protection from a subdirectory
I have password protected my entire website using .htaccess but I would like to expose one of the sub directories so that it can be viewed without a password.
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Get the current file name in gulp.src()
In my gulp.js file I'm streaming all HTML files from the examples folder into the build folder.
6 Answers
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Database cluster and load balancing
What is database clustering? If you allow the same database to be on 2 different servers how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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Pair/tuple data type in Go
While doing the final exercise of the Tour of Go , I decided I needed a queue of ( string , int ) pairs. That's easy enough:
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what does the __file__ variable mean/do?
I usually just hard-wire these with the actual path. But there is a reason for these statements that determine path at runtime, and I would really like to understand the os.path module so that I can start using it.
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get CSS rule's percentage value in jQuery
Let's say the rule is as follows:
12 Answers
12
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Convert a list of objects to an array of one of the object's properties
Say I have the following class:
4 Answers
4
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