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Pick a random element from an array
Suppose I have an array and I want to pick one element at random.
16 Answers
16
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Merge, update, and pull Git branches without using checkouts
...bly want to make an alias for it in your git configuration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What this alias does is the following:
git checkout HEAD: this puts your working copy into a detached-head...
Representing and solving a maze given an image
... it from the start. I prefer MATLAB for this task. As @Thomas already mentioned, there is no need to mess with regular representation of graphs. You can work with binarized image directly.
Here is the MATLAB code for BFS:
function path = solve_maze(img_file)
%% Init data
img = imread(img_file...
Why is ArrayDeque better than LinkedList
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@AndreiI, this only one side of the story. Even if you exclude the iteration costs for real time application and ability to prealloc the needed capacity, the GC may need to iterate the entire LinkedList. Basically you are moving the costs (which...
Cross Browser Flash Detection in Javascript
Does anyone have an example of script that can work reliably well across IE/Firefox to detect if the browser is capable of displaying embedded flash content. I say reliably because I know its not possible 100% of the time.
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Why doesn't git recognize that my file has been changed, therefore git add not working
...y wiki
3 revs, 2 users 93%ThorSummoner
17
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Making a WinForms TextBox behave like your browser's address bar
...s tabbing to the textbox give focus.
if (MouseButtons == MouseButtons.None)
{
this.textBox1.SelectAll();
alreadyFocused = true;
}
}
void textBox1_MouseUp(object sender, MouseEventArgs e)
{
// Web browsers like Google Chrome select the text on mouse up.
// They on...
How should I store GUID in MySQL tables?
... still merge the data together seamlessly :)
– Billy ONeal
Sep 2 '10 at 0:12
5
need reply, what r...
Creating a segue programmatically
... by all derived classes. You could do this by creating a method like this one to your base class view controller:
- (IBAction)pushMyNewViewController
{
MyNewViewController *myNewVC = [[MyNewViewController alloc] init];
// do any setup you need for myNewVC
[self presentModalViewContro...
this.setState isn't merging states as I would expect
... or is there a chance react will queue the replaceState calls and the last one will win?
– edoloughlin
Sep 24 '14 at 21:20
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