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How do you delete all text above a certain line
...hing from your current line to the top of the file.
d is the deletion command, and gg is a movement command that says go to the top of the file, so when used together, it means delete from my current position to the top of the file.
Also
dG
will delete all lines at or below the current one
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How can I detect if this dictionary key exists in C#?
...n IDictionary but a PhysicalAddressDictionary, so the methods are Contains and TryGetValue but they work in the same way.
Example usage:
PhysicalAddressEntry entry;
PhysicalAddressKey key = c.PhysicalAddresses[PhysicalAddressKey.Home].Street;
if (c.PhysicalAddresses.TryGetValue(key, out entry))
{
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Programmer Puzzle: Encoding a chess board state throughout a game
...e: I liked this topic so much I wrote Programming Puzzles, Chess Positions and Huffman Coding. If you read through this I've determined that the only way to store a complete game state is by storing a complete list of moves. Read on for why. So I use a slightly simplified version of the problem for ...
How to find the operating system version using JavaScript?
How can I find the OS name and OS version using JavaScript?
13 Answers
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Fling gesture detection on grid layout
I want to get fling gesture detection working in my Android application.
18 Answers
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Input from the keyboard in command line application
I am attempting to get the keyboard input for a command line app for the new Apple programming language Swift.
19 Answers
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npm - install dependencies for a package in a different folder?
...t;folder> variant with the --prefix option. In your scenario the folder and prefix will be the same:
npm --prefix ./some_project install ./some_project
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Removing multiple files from a Git repo that have already been deleted from disk
... Git repo that I have deleted four files from using rm ( not git rm ), and my Git status looks like this:
29 Answers
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phpunit mock method multiple calls with different arguments
... takes an SQL query string on input. Can I create mock for this class (DB) and set different return values for different Query method calls that depends on input query string?
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Separators for Navigation
...he background image to the conventional li (with a conditional stylesheet) and perhaps apply a negative margin to one of the edges.
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