Highest scored questions
24,234,689 questions
27448
votes
25
answers
1.9m
views
Why is processing a sorted array faster than processing an unsorted array?
In this C++ code, sorting the data (before the timed region) makes the primary loop ~6x faster:
#include <algorithm>
#include <ctime>
#include <iostream>
int main()
{
// ...
- 505k
27022
votes
102
answers
16.0m
views
How do I undo the most recent local commits in Git?
I accidentally committed the wrong files to Git but haven't pushed the commit to the server yet.
How do I undo those commits from the local repository?
20366
votes
41
answers
12.7m
views
How do I delete a Git branch locally and remotely?
Failed Attempts to Delete a Remote Branch:
$ git branch -d remotes/origin/bugfix
error: branch 'remotes/origin/bugfix' not found.
$ git branch -d origin/bugfix
error: branch 'origin/bugfix' not found....
13985
votes
37
answers
3.7m
views
What is the difference between 'git pull' and 'git fetch'?
What are the differences between git pull and git fetch?
- 288k
13074
votes
52
answers
3.4m
views
What does the "yield" keyword do in Python?
What functionality does the yield keyword in Python provide?
For example, I'm trying to understand this code1:
def _get_child_candidates(self, distance, min_dist, max_dist):
if self._leftchild and ...
- 148k
12189
votes
50
answers
13.4m
views
How can I remove a specific item from an array in JavaScript?
How do I remove a specific value from an array? Something like:
array.remove(value);
Constraints: I have to use core JavaScript. Frameworks are not allowed.
- 135k
11922
votes
41
answers
6.0m
views
How can I rename a local Git branch?
How can I rename a local branch which has not yet been pushed to a remote repository?
Related:
Rename master branch for both local and remote Git repositories
How do I rename both a Git local and ...
- 128k
11642
votes
39
answers
4.0m
views
Which JSON content type do I use?
There are many "standards" for the JSON content type:
application/json
application/x-javascript
text/javascript
text/x-javascript
text/x-json
Which one do I use, and where? I assume ...
- 240k
11539
votes
39
answers
6.1m
views
How do I undo 'git add' before commit?
I mistakenly added files to Git using the command:
git add myfile.txt
I have not yet run git commit. How do I undo this so that these changes will not be included in the commit?
- 159k
10229
votes
26
answers
1.0m
views
What is the '-->' operator in C/C++?
After reading Hidden Features and Dark Corners of C++/STL on comp.lang.c++.moderated, I was completely surprised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4. ...
9880
votes
55
answers
9.2m
views
How do I force "git pull" to overwrite local files?
How do I force an overwrite of local files on a git pull? My local repository contains a file of the same filename as on the server.
error: Untracked working tree file 'example.txt' would be ...
- 104k
9722
votes
63
answers
3.9m
views
9534
votes
30
answers
2.0m
views
What and where are the stack and heap?
What are the stack and heap?
Where are they located physically in a computer's memory?
To what extent are they controlled by the OS or language run-time?
What is their scope?
What determines their ...
- 95.4k
8924
votes
9
answers
797k
views
Why does HTML think “chucknorris” is a color?
Why do certain random strings produce colors when entered as background colors in HTML?
For example, bgcolor="chucknorris" produces a red background:
<body bgcolor="chucknorris"> ...
- 89.1k
8833
votes
47
answers
9.4m
views
How to check out a remote Git branch?
How do I check out the remote test branch? I can see it with git branch -r. I tried:
git checkout test, which does nothing
git checkout origin/test gives * (no branch)
- 91.9k