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Prefer composition over inheritance?
...e PHP5). All logic is encoded in a set of functions. You may include other files containing helper functions and so on and conduct your business logic by passing data around in functions. This can be very hard to manage as the application grows. PHP5 tries to remedy this by offering more object orie...
Restore Eclipse subversion project connection
... usually enough to connect the metadata.
(that is, assuming that the .svn files are still there which they seem to be if you can work on the command line).
Hope this helps as to why this would happen I have no idea
share
...
Rollback to an old Git commit in a public repo
... root. If you are in any sub directory, then this command only changes the files in the current directory. Then commit and you should be good.
You can undo this by
git reset --hard
that will delete all modifications from the working directory and staging area.
...
.gitignore file, where should I put it in my xcode project?
I want git to ignore my UserInterfaceState.xcuserstate file in my XCode4 project, but where should I put the .gitignore file?, is it inside the .git folder? or out? The .git is in same folder with the ProjectName.xcodeproj file
...
Will docker container auto sync time with the host machine?
...our docker container cannot be resolved by running your container with -v /etc/localtime:/etc/localtime:ro
Instead, for now, you have to periodically run this on OSX:
/usr/local/bin/boot2docker ssh sudo ntpclient -s -h pool.ntp.org
Update for users of Kitematic
If you are running Kitematic, wh...
Why does C++ compilation take so long?
Compiling a C++ file takes a very long time when compared to C# and Java. It takes significantly longer to compile a C++ file than it would to run a normal size Python script. I'm currently using VC++ but it's the same with any compiler. Why is this?
...
Why is no one using make for Java?
...esolve that dependency.
With basic C, that typically "to convert a main.c file to a main.o file, run "cc main.c".
You can do that in java, but you quickly learn something.
Mostly that the javac compiler is slow to start up.
The difference between:
javac Main.java
javac This.java
javac That.java...
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 = ...
What does the exclamation mark do before the function?
...ion, so it's impossible for this version to be wrongly concatenated with a file that doesn't end with a ;. If you have the () form, it would consider it a function call of whatever was defined in the previous file. Tip of the hat to a co-worker of mine.
– Jure Triglav
...
When would I use XML instead of SQL? [closed]
...ealise this answer was written in 2008, but with the advent of a number of file-based database systems I find myself wondering if they make more sense than conventional RDBMS in a number of situations. SQL was designed in the dark ages when disk space was costly, and it's become a way of thought wit...