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How do I get the key at a specific index from a Dictionary in Swift?
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That's because keys returns LazyMapCollection<[Key : Value], Key>, which can't be subscripted with an Int. One way to handle this is to advance the dictionary's startIndex by the integer that you wanted to subscript by, for ex...
“This project is incompatible with the current version of Visual Studio”
I was getting the below message from Visual Studio 2010.
15 Answers
15
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How to get the CPU Usage in C#?
...ation in C#. I've found many ways to dig into the properties of processes, but I only want the CPU usage of the processes, and the total CPU like you get in the TaskManager.
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How to create directory automatically on SD card
...leOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName);
but I'm getting the exception java.io.FileNotFoundException
However, when I put the path as "/sdcard/" it works.
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indexOf method in an object array?
What's the best method to get the index of an array which contains objects?
27 Answers
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Two way/reverse map [duplicate]
I'm doing this switchboard thing in python where I need to keep track of who's talking to whom, so if Alice --> Bob, then that implies that Bob --> Alice.
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Efficient SQL test query or validation query that will work across all (or most) databases
Many database connection pooling libraries provide the ability to test their SQL connections for idleness. For example, the JDBC pooling library c3p0 has a property called preferredTestQuery , which gets executed on the connection at configured intervals. Similarly, Apache Commons DBCP has valid...
What is the purpose of the reader monad?
The reader monad is so complex and seems to be useless. In an imperative language like Java or C++, there is no equivalent concept for the reader monad, if I am not mistaken.
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Converting a JS object to an array using jQuery
My application creates a JavaScript object, like the following:
18 Answers
18
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Count how many files in directory PHP
... answered Oct 9 '12 at 14:01
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