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Number of days between two dates in Joda-Time
... Joda-Time DateTime instances?
With ‘difference in days’ I mean if start is on Monday and end is on Tuesday I expect a return value of 1 regardless of the hour/minute/seconds of the start and end dates.
...
Couldn't connect to server 127.0.0.1:27017
...nd were not running with journaling, remove the lock file, run repair, and start mongodb again.
If you are or were running with journaling turned on, see the relevant Mongo DB docs. Note that they say "If you are running with Journaling you should not do a repair to recover to a consistent state." ...
How to calculate time elapsed in bash script?
I print the start and end time using date +"%T" , which results in something like:
20 Answers
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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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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...
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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