Tutorial by Examples: w

namespace App\Controller; class PostsController extends AppController { public function initialize(){ parent::initialize(); // code that you want to run before every action } public function view($id) { //Your code here } }

Pass each variable to view at a time $this->set('color', 'pink'); $this->set('color', $color); Pass multiple variables to view together via compact() function $color1 = 'pink'; $color2 = 'red'; $this->set(compact('color1', 'color2'));

In Ansible, a playbook is is a YAML file containing the definition of how a server should look. In a playbook you define what actions Ansible should take to get the server in the state you want. Only what you define gets done. This is a basic Ansible playbook that installs git on every host belongi...

The sensor values returned by Android are with respective to the phone's coordinate system (e.g. +Y points towards the top of the phone). We can transform these sensor values into a world coordinate system (e.g. +Y points towards magnetic North, tangential to the ground) using the sensor managers ro...

Make sure the following dependency is added to your app's build.gradle file under dependencies: compile 'com.android.support:design:25.3.1' Show the hint from an EditText as a floating label when a value is entered. <android.support.design.widget.TextInputLayout android:layout_width=&qu...

One of the most used attribute for LinearLayout is the weight of its child views. Weight defines how much space a view will consume compared to other views within a LinearLayout. Weight is used when you want to give specific screen space to one component compared to other. Key Properties: wei...

Go in the Firebase console. Choose your project Click on the Database section on the left, and then select the Rules tab. If you would like to test your security rules before putting them into production, you can simulate operations in the console using the Simulate button in the upper right ...

Just define: // These rules give anyone, even people who are not users of your app, // read and write access to your database { "rules": { ".read": true, ".write": true } } It can be useful during development but pay attention because This level o...

You can define a private rules to disable read and write access to your database by users. With these rules, you can only access the database when you have administrative privileges (which you can get by accessing the database through the Firebase console or by signing in from a server). // These...

Here's an example of a rule that gives each authenticated user a personal node at /users/$user_id where $user_id is the ID of the user obtained through Authentication. // These rules grant access to a node matching the authenticated // user's ID from the Firebase auth token { "rules"...

public void setFont(TextView textView) { textView.setTypeface(myFont); }

Grant Vibration Permission before you start implement code, you have to add permission in android manifest : <uses-permission android:name="android.permission.VIBRATE"/> Import Vibration Library import android.os.Vibrator; Get instance of Vibrator from Context Vibrator vibr...

// Remember to initialize your client as described in the Remarks section Awareness.SnapshotApi.getHeadphoneState(client) .setResultCallback(new ResultCallback<HeadphoneStateResult>() { @Override public void onResult(@NonNull HeadphoneStateResult headphoneStateResult) {...

// Remember to initialize your client as described in the Remarks section Awareness.SnapshotApi.getWeather(client) .setResultCallback(new ResultCallback<WeatherResult>() { @Override public void onResult(@NonNull WeatherResult weatherResult) { Weather weathe...

Thus these variables will use dynamic binding. (defparameter count 0) ;; All uses of count will refer to this one (defun handle-number (number) (incf count) (format t "~&~d~%" number)) (dotimes (count 4) ;; count is shadowed, but still special (handle-number coun...

Remember, all the best practices of typical web architecture still apply. For an excellent overview on the subject, please refer to Michael Nygard's excellent book Release It! Design and Deploy Production-Ready Software. Writing your app in Meteor doesn't absolve you of auditing third party librarie...

#If Vba7 Then ' It's important to check for Win64 first, ' because Win32 will also return true when Win64 does. #If Win64 Then Declare PtrSafe Function GetFoo64 Lib "exampleLib32" () As LongLong #Else Declare PtrSafe Function GetFoo Lib "exampl...

proc myproc {alpha beta} { ... set foo $alpha set beta $bar ;# note: possibly useless invocation } myproc 12 34 ;# alpha will be 12, beta will be 34 If the argument list consists of words, those will be the names of local variables in the procedure, and their initi...

Keeping a GUI responsive while running a lengthy process requires either some very elaborate "callbacks" to allow the GUI to process its message queue, or the use of (background) (worker) threads. Kicking off any number of threads to do some work usually isn't a problem. The fun starts wh...

Start with importing the library. from amqpstorm import Connection When consuming messages, we first need to define a function to handle the incoming messages. This can be any callable function, and has to take a message object, or a message tuple (depending on the to_tuple parameter defined in ...