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How to go back (ctrl+z) in vi/vim
In normal text editors [with all due respect to Vim] there is a shortcut Ctrl + Z when you have done something nasty and want to return to the previous version of the text. Like BACK button in Word. I wonder how can you achieve this behaviour in Vim.
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Why is “copy and paste” of code dangerous? [closed]
...t every place you did and hope you can remember them all (this also holds for changed requirements).
If you keep logic in one place, it is easier to change when needed (so if you decide that the application needs updating, you only do it in one place).
Have your boss read about the DRY principle (...
Creating and playing a sound in swift
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Here's a bit of code I've got added to FlappySwift that works:
import SpriteKit
import AVFoundation
class GameScene: SKScene {
// Grab the path, make sure to add it to your project!
var coinSound = NSURL(fileURLWithPath: Bundle.main.path(forResource: "coin", ofType: "wav...
Can I use view pager with views (not with fragments)
I am using ViewPager for swiping between Fragments , but can I use ViewPager to swipe between Views simple XML layout?
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How can a string be initialized using “ ”?
...l
The designers of Java decided to retain primitive types in an object-oriented language, instead of making everything an object, so as to improve the performance of the language. Primitives are stored in the call stack, which require less storage spaces and are cheaper to manipulate. On the oth...
Passing a 2D array to a C++ function
...c(array);
The parameter is an array containing pointers
int *array[10];
for(int i = 0; i < 10; i++)
array[i] = new int[10];
void passFunc(int *a[10]) //Array containing pointers
{
// ...
}
passFunc(array);
The parameter is a pointer to a pointer
int **array;
array = new int *[10];
for...
Cooler ASCII Spinners? [closed]
In a console app, an ascii spinner can be used, like the GUI wait cursor, to indicate that work is being done. A common spinner cycles through these 4 characters: '|', '/', '-', '\'
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How do you create a static class in C++?
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If you're looking for a way of applying the "static" keyword to a class, like you can in C# for example, then you won't be able to without using Managed C++.
But the looks of your sample, you just need to create a public static method on your ...
How do I modify the URL without reloading the page?
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This can now be done in Chrome, Safari, Firefox 4+, and Internet Explorer 10pp4+!
See this question's answer for more information:
Updating address bar with new URL without hash or reloading the page
Example:
function processAjaxData(response, urlPath){
document.getElementById("conte...
Fill remaining vertical space with CSS using display:flex
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@PaulTotzke Then it is morelike another question , you just need to set height to 100%. As usual , parents needs an height set/usable, else we have the classic 100% of 'null' example for code above : html,body,section {height:100%;} where section is...