Tutorial by Examples: v

Many watchOS apps (like Activity) have several pages which you could simply scroll between them, which is a very good way to use Apple Watch. To create a page based navigation, Ctrl-Drag from one controller to another, and select "next page", as shown in the following picture:

Many watchOS apps (like Workout, Weather, Music, etc) have a main WKInterfaceTable or a set of buttons which are hooked up to another controller, similar to the navigation on iOS. This is called hierarchical view structure. To connect a button, Ctrl-Drag from the button to a controller, and select ...

Using the previous example of calculating the factorial of an integer, put in the hash table all values of factorial calculated inside the recursion, that do not appear in the table. As in the article about memoization, we declare a function f that accepts a function parameter fact and a integer pa...

You finished your app, tested on debug mode and it is working perfect. Now, you want to prepare it to publish in the Google Play Store. Xamarin documentation provides good informations in here: https://developer.xamarin.com/guides/android/deployment,_testing,_and_metrics/publishing_an_application/...

package main import ( "fmt" "time" log "github.com/Sirupsen/logrus" mgo "gopkg.in/mgo.v2" "gopkg.in/mgo.v2/bson" ) var mongoConn *mgo.Session type MongoDB_Conn struct { Host string `json:"Host"` ...

public class RecyclerTouchListener implements RecyclerView.OnItemTouchListener { private GestureDetector gestureDetector; private RecyclerTouchListener.ClickListener clickListener; public RecyclerTouchListener(Context context, final RecyclerView recyclerView, final RecyclerTouchL...

When applied on a map, returns a new map with new or updated key val pairs. It can be used to add new information in existing map. (def userData {:name "Bob" :userID 2 :country "US"}) (assoc userData :age 27) ;; { :name "Bob" :userID 2 :country "US&qu...

This function tells whether a given time lies within a a given time interval. (require '[clj-time.core :as t]) (def date1 (t/date-time 2016 11 5)) (def date2 (t/date-time 2016 12 5)) (def test-date1 (t/date-time 2016 12 20)) (def test-date2 (t/date-time 2016 11 15)) (t/within? (t/interva...

Publishers and subscribers don't need to know each other. They simply communicate with the help of message queues. (function () { var data; setTimeout(function () { data = 10; $(document).trigger("myCustomEvent"); }, 2000); ...

// Remove the auto-paragraph and auto-line-break from the content remove_filter( 'the_content', 'wpautop' ); // Remove the auto-paragraph and auto-line-break from the excerpt remove_filter( 'the_excerpt', 'wpautop' );

/** * Remove the automatic line breaks from content and excerpts. * * @since 1.0.0 */ function remove_content_auto_line_breaks() { // Remove the auto-paragraph and auto-line-break from the content remove_filter( 'the_content', 'wpautop' ); // Remove the auto-paragraph and a...

Every Heroku app runs in at least two environments: on Heroku (we’ll call that production) and on your local machine (development). If more than one person is working on the app, then you’ve got multiple development environments - one per machine, usually. Usually, each developer will also have a te...

DB backup Database backup is a must before starting any Dynamics CRM upgrade process. This is mandatory as to always have the option to rollback in case of any major roadblock. Wrong Estimation DO NOT underestimate the work involved in a CRM Upgrade process. Audit your current Microsoft Dynamics...

To run the script analyzer against a single script file execute: Invoke-ScriptAnalyzer -Path myscript.ps1 This will analyze your script against every built-in rule. If your script is sufficiently large that could result in a lot of warnings and/or errors. To run the script analyzer against a w...

Let's say you use Webpack for front end bundling. You can add webpack-dev-middleware to serve your statics through tiny and fast server. It allows you to automatically reload your assets when content has changed, serve statics in memory without continuously writing intermediate versions on disk. Pr...

To allow a bokeh application to be executed like a normal .py file, you need to handle the tornado IOloop in your application, as described here. A standalone bokeh application like this can be used to implement a console script entry point in setup.py. However, this requires bokeh version >= 0....

This example helper class interacts with the finger print manager and performs encryption and decryption of password. Please note that the method used for encryption in this example is AES. This is not the only way to encrypt and other examples exist. In this example the data is encrypted and decryp...

Click to File → New → Kotlin Activity. Choose a type of the Activity. Select name and other parameter for the Activity. Finish. Final class could look like this: import android.support.v7.app.AppCompatActivity import android.os.Bundle class MainActivity : AppCompatActivity() { ...

Kotlin Plugin for Android Studio support converting existing Java files to Kotlin files. Choose a Java file and invoke action Convert Java File to Kotlin File:

# ruby 1.92 lower_limit = 1 upper_limit = 6 Random.new.rand(lower_limit..upper_limit) # Change your range operator to suit your needs