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<script src="https://static.pushe.co/pusheweb.js"></script>
<script>
    Pushe.init("app_id"); // App_id is retrieved via console.pushe.co
    Pushe.subscribe({"showDialog":true,"showBell":false,"icon":"https://static.pushe.co/d/webpush/default-icon.png","title":"Get the latest news bro :D","content":"You want to be notified of every new event happenning to My site? Click OK then.","position":"top-center","direction":"ltr","acceptText":"OK, sure","rejectText":"Nuh","promptTheme":"pushe-prompt-theme2","mobilePosition":"top","dialogRetryRate":0});
</script>

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"""
Prerequisites:
1. Scrapy: python3 -m pip install scrapy
2. Youtube-dl: python3 -m pip install youtube-dl
(Use conda or miniconda for windows to install scrapy. Or use WSL and install python3 on it)
It's also possible to modify this to get other courses from caster.io or even other sites.
"""
from scrapy.spiders import Spider
from scrapy.crawler import CrawlerProcess
import youtube_dl

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public static void cancelJob(Context c, int jobId) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        JobScheduler jobScheduler =
                (JobScheduler) c.getSystemService(Context.JOB_SCHEDULER_SERVICE);
        jobScheduler.cancel(jobId);
    }
}

// Call it like this

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curl https://api.bintray.com/search/packages/maven\?g\=co.pushe.plus | python3 -mjson.tool | grep -i name

# Bintray REST: https://bintray.com/docs/api
# ?g is group
# python3 -mjson.tool will beautify the output json
# grep name will get only module names

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Adb Server

adb kill-server
adb start-server 

Adb Reboot

adb reboot
adb reboot recovery 

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public static void toast(Context context) {
    Toast toast = Toast.makeText(context, "This is a Toast.", Toast.LENGTH_SHORT);
    View toastView = toast.getView();
    TextView toastMessage = (TextView) toastView.findViewById(android.R.id.message);
    toastMessage.setTextSize(19);
    toastMessage.setTextColor(Color.BLACK);
    toastMessage.setGravity(Gravity.CENTER);
    toastMessage.setCompoundDrawablesWithIntrinsicBounds(R.drawable.icon_small, 0, 0, 0);// Add an icon to textView
    toastMessage.setCompoundDrawablePadding(16); // Add padding to icon
    toastView.setBackgroundColor(Color.WHITE);

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public static void takeScreenshot(Activity activity) {
    Date now = new Date();
    android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
    try {
        // image naming and path  to include sd card  appending name you choose for file
        String mPath = Environment.getExternalStorageDirectory().toString() + "/Screenshot_" + now + ".jpg";

        // create bitmap screen capture
        View v1 = activity.getWindow().getDecorView().getRootView();

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//تشخیص اسکرول کردن در لیست
recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
    @Override
    public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
        if (dy > 0) {
            //Scrolling down
        } else if (dy < 0) {
            //Scrolling up
        }

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public static float dpOrSpToPx(final Context context, final float dpOrSpValue) {
   return dpOrSpValue * context.getResources().getDisplayMetrics().density;
}

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//Sort objects by a value

Collections.sort(songList, new Comparator<Song>(){
  public int compare(Song a, Song b){
    // Here song is a class that has some attrs including title.
    // We want to sort songs by title
    return a.getTitle().compareTo(b.getTitle());
  }
});