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In Swift how to call method with parameters on GCD main thread?

In my app I have a function that makes an NSRURLSession and sends out an NSURLRequest using 9 Answers ...
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How to fix HTTP 404 on Github Pages?

...h-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. 30 Answers ...
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How to remove files from git staging area?

I made changes to some of my files in my local repo, and then I did git add -A which I think added too many files to the staging area. How can I delete all the files from the staging area? ...
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Where does System.Diagnostics.Debug.Write output appear?

...built with csc hello.cs ) prints just Hello via Console! on the console and Hello via OutputDebugString in the DebugView window. However, I cannot see either of the System.Diagnostics.* calls. Why is that? ...
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DateTime2 vs DateTime in SQL Server

...datetime2. Here is their recommendation: Use the time, date, datetime2 and datetimeoffset data types for new work. These types align with the SQL Standard. They are more portable. time, datetime2 and datetimeoffset provide more seconds precision. datetimeoffset provides time zone s...
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Define: What is a HashSet?

... HashSet holds a set of objects, but in a way that it allows you to easily and quickly determine whether an object is already in the set or not. It does so by internally managing an array and storing the object using an index which is calculated from the hashcode of the object. Take a look here Hash...
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How do I execute a program from Python? os.system fails due to spaces in path

...'re used more on unix where the general method for a shell to launch a command is to fork() and then exec() in the child. – Brian Oct 15 '08 at 11:14 1 ...
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Good tutorial for using HTML5 History API (Pushstate?) [closed]

... implemented differently in all the HTML5 browsers (making it inconsistent and buggy) and has no fallback for HTML4 browsers. Fortunately, History.js provides cross-compatibility for the HTML5 browsers (ensuring all the HTML5 browsers work as expected) and optionally provides a hash-fallback for HTM...
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How can I pad an integer with zeros on the left?

...ring.format(). I'm in the process of doing some performance tuning myself and running the two in Visual VM shows the String.format() method accumulating CPU time at about 3-4 times the rate of DecimalFormat.format(). – Steve Ferguson May 1 '13 at 17:56 ...
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How to increase the Java stack size?

...crease the runtime call stack size in the JVM. I've got an answer to this, and I've also got many useful answers and comments relevant to how Java handles the situation where a large runtime stack is needed. I've extended my question with the summary of the responses. ...