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Can I multiply strings in Java to repeat sequences? [duplicate]
...sn't using maven - I guess I'd have to create a custom location for my jar files ... similar to a maven repository! And then include those jar files on my classpath and do all kinds of work I like to avoid. If the poster really wants to hack java, then she or he needs to use maven or its equivalent....
How to mkdir only if a directory does not already exist?
... to either test to see that the directory does not exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory.
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Git Push ERROR: Repository not found
... You can check this by viewing the project on the web and clicking on "New File"
– Ronnie
Feb 3 '16 at 14:32
2
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gulp command not found - error after installing gulp
...nstall gulp in a project folder without using -g, it doesn't put the batch file in \npm\ or its files in \npm\node_modules . So in reality BOTH answers here are necessary.
– Évelyne Lachance
Jul 29 '15 at 3:28
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Merge, update, and pull Git branches without using checkouts
...hat you'll probably 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...
Rails and PostgreSQL: Role postgres does not exist
...ave a couple of instance on here now. Changed the port in the database.yml file though and it all worked fine. Thanks for your help!
– Adam
Oct 23 '11 at 17:03
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Representing and solving a maze given an image
...rectly.
Here is the MATLAB code for BFS:
function path = solve_maze(img_file)
%% Init data
img = imread(img_file);
img = rgb2gray(img);
maze = img > 0;
start = [985 398];
finish = [26 399];
%% Init BFS
n = numel(maze);
Q = zeros(n, 2);
M = zeros([size(maze) 2]);
front = ...
Get element at specified position - JavaScript
Using Javascript how can I identify the element at a given position? Basically I'm looking to write a function that takes two input parameters (the x and y coordinates) and returns the html element at the position on the screen represented by the parameters.
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How to URL encode a string in Ruby
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I needed to access files on remote server. Encoding with CGI didn't work, but URI.encode did the work just fine.
– Tashows
Mar 19 '19 at 14:34
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How do I revert an SVN commit?
... 1945, which I want to 'revert'. Then I want to have a version 1946, whose files are identical to the ones in version 1944. (Except the history of course.) But the question remains: How to do that? What are the commands?
– Alex
Nov 11 '12 at 10:11
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