Tutorial by Examples: le

Usage of loops is an excellent way to keep the code DRY and avoid repetition. Unlike in Sass, there are no built-in @for or @each directive in Less for writing loops but it can still be written using recursive mixins. A recursive mixin is nothing but a mixin which keeps calling itself. There are fo...

private final Logger logger = Logger.getLogger(getClass().getCanonicalName()); WebView webView = new WebView(); webEngine = webView.getEngine(); webEngine.setOnAlert(event -> logger.warning(() -> "JS alert: " + event.getData()));

Selection with increasing scope This comes handy when you want to select a block to extract a variable / method etc, no need to do a precise bracket matching, just put the caret somewhere in the statement and keep doing this Windows: Ctrl + W OS X / macOS: Cmd + W Selection with decreasing scope...

CREATE TABLE users (username text, email text); CREATE TABLE simple_users () INHERITS (users); CREATE TABLE users_with_password (password text) INHERITS (users); Our three tables look like this: users ColumnTypeusernametextemailtext simple_users ColumnTypeusernametextemailtext users_with_p...

Let's create two simple tables: CREATE TABLE users (username text, email text); CREATE TABLE simple_users () INHERITS (users); Adding columns ALTER TABLE simple_users ADD COLUMN password text; simple_users ColumnTypeusernametextemailtextpasswordtext Adding the same column to the parent ta...

public class AuthenticationHandler : DelegatingHandler { /// <summary> /// Holds request's header name which will contains token. /// </summary> private const string securityToken = "__RequestAuthToken"; /// <summary> ...

JavaFX provides an easy way to internationalize your user interfaces. While creating a view from an FXML file you can provide the FXMLLoader with a resource bundle: Locale locale = new Locale("en", "UK"); ResourceBundle bundle = ResourceBundle.getBundle("strings", loc...

A Resource bundles contain locale-specific objects. You can pass the bundle to the FXMLLoader during its creation. The controller must implement Initializable interface and override initialize(URL location, ResourceBundle resources) method. The second parameter to this method is ResourceBundle which...

Similar to enabling all HTTP content, all configuration happens under the App Transport Security Settings. Add the Exception Domains dictionary (NSExceptionDomains) to the top level ATS settings. For every domain, add a dictionary item to the Exception Domains, where the key is the domain in questi...

The time for Scheduler Tasks are measured in Ticks. Under normal conditions, there are 20 ticks per second. Tasks scheduled with .scheduleSyncRepeatingTask will be run on the Main Thread Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, new Runnable() { @Override public void run(...

One can initialize a Julia array by hand, using the square-brackets syntax: julia> x = [1, 2, 3] 3-element Array{Int64,1}: 1 2 3 The first line after the command shows the size of the array you created. It also shows the type of its elements and its dimensionality (int this case Int64 ...

Create an empty directory somewhere ... mkdir HelloWorld cd HelloWorld Then use the built in scaffolding technology to create a Hello World sample dotnet new console -o This command creates two files: HelloWorld.csproj describes the project dependencies, settings, and Target Framework ...

This example combines multiple variants of MonoBehaviour singletons found on the internet into one and let you change its behavior depending on global static fields. This example was tested using Unity 5. To use this singleton, all you need to do is extend it as follows: public class MySingleton ...

The time for Scheduler Tasks are measured in Ticks. Under normal conditions, there are 20 ticks per second. Tasks scheduled with .scheduleSyncDelayedTask will be run on the Main Thread Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable() { @Override public void run() { ...

For an ID 5 The only restrictions on the value of an id are: it must be unique in the document it must not contain any space characters it must contain at least one character So the value can be all digits, just one digit, just punctuation characters, include special characters, whatever. ...

Update: TensorFlow now supports 1D convolution since version r0.11, using tf.nn.conv1d. Consider a basic example with an input of length 10, and dimension 16. The batch size is 32. We therefore have a placeholder with input shape [batch_size, 10, 16]. batch_size = 32 x = tf.placeholder(tf.float...

KafkaConsumers request messages from a Kafka broker via a call to poll() and their progress is tracked via offsets. Each message within each partition of each topic, has a so-called offset assigned—its logical sequence number within the partition. A KafkaConsumer tracks its current offset for each p...

Every custom loader must directly or indirectly extend the java.lang.ClassLoader class. The main extension points are the following methods: findClass(String) - overload this method if your classloader follows the standard delegation model for class loading. loadClass(String, boolean) - overloa...

One example per topic may be pinned by clicking the pin icon in the bottom left corner of the example. So long as a topic is pinned, it will stay at the top of a topic's example collection.

HTML Form Use a file type input and the browser will provide a field that lets the user select a file to upload. Only forms with the post method can send file data. Make sure to set the form's enctype=multipart/form-data attribute. Otherwise the file's name will be sent but not the file's data...