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How to calculate time difference in java?
... java.time.Duration;
import java.time.Instant;
...
Instant start = Instant.now();
//your code
Instant end = Instant.now();
Duration timeElapsed = Duration.between(start, end);
System.out.println("Time taken: "+ timeElapsed.toMillis() +" milliseconds");
...
How to run travis-ci locally
...
Run the attached client
docker exec -it $BUILDID bash -l
Run the job
Now you are now inside your Travis environment. Run su - travis to begin.
This step is well defined but it is more tedious and manual. You will find every command that Travis runs in the environment. To do this, look for for...
Stop/Close webcam which is opened by navigator.getUserMedia
...a has started exposing getUserMedia via navigator.mediaDevices as standard now (Might change :)
online demo
navigator.mediaDevices.getUserMedia({audio:true,video:true})
.then(stream => {
window.localStream = stream;
})
.catch( (err) =>{
console.log(err);
});
...
Install dependencies globally and locally using package.json
...abel locally
Then in package.json:
// devDependencies has mocha and babel now
"scripts": {
"test": "mocha",
"build": "babel -d lib src",
"prepublish": "babel -d lib src"
}
Then at your command prompt you can run:
npm run build # finds babel
npm test # finds mocha
npm publish # will run bab...
In eclipse, unable to reference an android library project in another android project
...ometimes Eclipse will remove the reference, restart eclipse and add again, now it should work.
– Warpzit
Mar 13 '12 at 11:50
...
How to get Ruby / Homebrew / RVM to work on Yosemite?
...gher - I followed the answer below install xcode command line tools and it now works: stackoverflow.com/a/24225960/1062936
– greg
Feb 4 '15 at 23:59
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...
How do you clone a Git repository into a specific folder?
...cal file explorers, so be sure to show hidden files.
mv /where/it/is/right/now/* /where/I/want/it/
mv /where/it/is/right/now/.* /where/I/want/it/
The first line grabs all normal files, the second line grabs dot-files. It is also possibe to do it in one line by enabling dotglob (i.e. shopt -s dotglo...
C++ equivalent of java's instanceof
...seClass>(ptr)) { ... }
However, this purely operates on the types as known by the compiler.
Edit:
This code should work for polymorphic pointers:
template<typename Base, typename T>
inline bool instanceof(const T *ptr) {
return dynamic_cast<const Base*>(ptr) != nullptr;
}
E...
Can't connect Nexus 4 to adb: unauthorized
... to unplug/replug the S4 in, then I got the 'authorize' prompt within S4. Now adb devices shows "device" and i can run my apps.
– Rob
Oct 19 '14 at 14:40
4
...
How can I reliably get an object's address when operator& is overloaded?
...regular member functions of a template class, thanks for pointing it out. (Now I just need to figure out what is the use of the overload, any tip ?)
– Matthieu M.
Jun 27 '11 at 16:50
...