Tutorial by Examples: n

What Are Notification Channels? Notification channels enable us app developers to group our notifications into groups—channels—with the user having the ability to modify notification settings for the entire channel at once. For example, for each channel, users can completely block all notifications...

The following permissions are required to use the Bluetooth APIs: android.permission.BLUETOOTH android.permission.BLUETOOTH_ADMIN If you're targeting devices with Android 6.0 (API Level 23) or higher and want to perform scanning/advertising operations you will require a Location permission: a...

Once you have discovered a desired BluetoothDevice object, you can connect to it by using its connectGatt() method which takes as parameters a Context object, a boolean indicating whether to automatically connect to the BLE device and a BluetoothGattCallback reference where connection events and cli...

Once you are connected to a Gatt Server, you're going to be interacting with it by writing and reading from the server's characteristics. To do this, first you have to discover what services are available on this server and which characteristics are avaiable in each service: @Override public voi...

You can request to be notified from the Gatt Server when the value of a characteristic has been changed: gatt.setCharacteristicNotification(characteristic, true); BluetoothGattDescriptor descriptor = characteristic.getDescriptor( UUID.fromString("00002902-0000-1000-8000-00805f9b34fb&quot...

You can use Bluetooth LE Advertising to broadcast data packages to all nearby devices without having to establish a connection first. Bear in mind that there's a strict limit of 31 bytes of advertisement data. Advertising your device is also the first step towards letting other users connect to you....

In order for your device to act as a peripheral, first you need to open a BluetoothGattServer and populate it with at least one BluetoothGattService and one BluetoothGattCharacteristic: BluetoothGattServer server=bluetoothManager.openGattServer(context, bluetoothGattServerCallback); BluetoothGat...

An entity is the information that your bot extracts from a particular utterance conforming to an intent. Eg- Let My name is John Doe belong to an intent called introduction. For your bot to understand and extract the name John Doe from the sentence, you need to define an entity which does so. You c...

Detailed instructions on getting angularjs-ng-repeat set up or installed.

The installation is quite simple as there are seperate installers for MacOS and Windows machines available here. Currently two versions are for download: one beta and one stable. Setup will start after you downloaded the program and you´ll need to login with your GitHub credentials. That is really ...

As it is with GitHub Desktop most of the work is pretty simple: You select "Clone a repository" (In the stable version the plus on the upper left) and there are some repositories (your own and the repos from each company you are in) recommended. Alternatively you can paste a link to any ot...

You can select a branch at the upper left. When you selected the right branch you need to press the sync button (upper right) which does now the same as git checkout BRANCHNAME. In the older version you are able to view 2 different branches at once and compare the pushes. Furthermore you could vi...

Pull (Sync) Like in the command line you need to pull the current state of the repository once in a while. In GitHub Desktop this process is called by the sync Button at the top right corner. Push When you made local changes and want to push them you make a commit by writing something into the su...

The default icon of the Date-Picker in the Extension Library from OpenNTF is nice but not sexy. You can change it to one of the cool "Font Awesome Icons". First, add a DatePicker component to your page: <xe:djDateTextBox id="datePickerComp" value="#{myDoc.myDateField}&q...

The text field calls different delegate methods (only if delegates are set)One of delegate method called by textfield is *- (BOOL)textFieldShouldReturn:(UITextField )textField This method is called whenever users taps the return button.By using this method, we can implement any custom behaviour. ...

from requests import post payload = {'key1' : 'value1', 'key2' : 'value2' } foo = post('http://httpbin.org/post', data=payload) To pass form encoded data with the post operation, data must be structured as dictionary and supplied as the data parameter. If the data d...

Install the dependencies: pip install jinja2 Install a framework: pip install flask Create the following structure ├── run.py └── templates Put a file template.html in the templates directory. The file can contain a jinja 2 variable named my_string. <!DOCTYPE html> <html lang=&qu...

Each section can can contain JavaScript and Stylesheets, these two languages are used within liquid tags: {% javascript %}{% endjavascript %} & {% stylesheet %}{% endstylesheet %}. When placing code inside of these two tags, Shopify compiles each piece into shopify_compiled.js & shopify_com...

Response codes can be viewed from a post operation: from requests import post foo = post('http://httpbin.org/post', data={'data' : 'value'}) print(foo.status_code) Returned Data Accessing data that is returned: foo = post('http://httpbin.org/post', data={'data' : 'value'}) print(foo.text)...

Detailed instructions on getting jupyter-notebook set up or installed.