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Representing and solving a maze given an image
...reshold. In fact, all interior points of this maze are accessible from the start.
Add artificial borders on the maze to make sure virtual traveler will not walk around it :)
Implement breadth-first search (BFS) in your favorite language and run it from the start. I prefer MATLAB for this task. As @T...
Accessing the index in 'for' loops?
...
As Aaron points out below, use start=1 if you want to get 1-5 instead of 0-4.
– clozach
Mar 31 '18 at 22:16
2
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Play sound on button click android
...tener(new OnClickListener(){
public void onClick(View v) {
mp.start();
}
});
To explain it step by step:
Button one = (Button) this.findViewById(R.id.button1);
First is the initialization of the button to be used in playing the sound. We use the Activity's findViewById, passing...
ThreadStart with parameters
How do you start a thread with parameters in C#?
16 Answers
16
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Spring Boot application as a Service
...ngboot 1.3 and above:
As init.d service
The executable jar has the usual start, stop, restart, and status commands. It will also set up a PID file in the usual /var/run directory and logging in the usual /var/log directory by default.
You just need to symlink your jar into /etc/init.d like so
su...
What is the correct way to start a mongod service on linux / OS X?
...ouring mongodb-3.0.6.yosemite.bottle.tar.gz
==> Caveats
To have launchd start mongodb at login:
ln -sfv /usr/local/opt/mongodb/*.plist ~/Library/LaunchAgents
Then to load mongodb now:
launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
Or, if you don't want/need launchctl, you c...
Finding all cycles in a directed graph
...er (and other sources), a cycle is elementary if no vertex (apart from the start/finish) appears more than once. By that definition, isn't A->B->C->A elementary too?
– psmears
Dec 1 '14 at 10:27
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How to install mongoDB on windows?
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It's not like WAMP. You need to start mongoDB database with a command after directory has been created C:/database_mongo
mongod --dbpath=C:/database_mongo/
you can then connect to mongodb using commands.
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Media Player called in state 0, error (-38,0)
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You need to call mediaPlayer.start() in the onPrepared method by using a listener.
You are getting this error because you are calling mediaPlayer.start() before it has reached the prepared state.
Here is how you can do it :
mp.setDataSource(url);
mp.s...
“implements Runnable” vs “extends Thread” in Java
... As a side comment, if you instantiate a Thread and do not call its start() method you are creating a memory leak in Java < 5 (this does not happen with Runnables): stackoverflow.com/questions/107823/…
– Nacho Coloma
Feb 7 '13 at 13:48
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