Tutorial by Examples: l

Sometimes, you have to create two Disposable objects in a row. There is an easy way to avoid nesting Using blocks. This code Using File As New FileStream("MyFile", FileMode.Append) Using Writer As New BinaryWriter(File) 'You code here Writer.Writer("Hello&quot...

Place your test classes here: /src/test/<pkg_name>/ Example test class public class ExampleUnitTest { @Test public void addition_isCorrect() throws Exception { int a=4, b=5, c; c = a + b; assertEquals(9, c); // This test passes assertEquals(10, c...

A slider control uses draggable handles to select numeric values. Below is an example of a basic slider initialization: <script> $(function() { $( "#slider" ).slider(); }); </script> <div id="slider"></div>

Range sliders provide 2 draggable handles to select numeric values. The slider's initialization must provide a range option set to true to create a range slider: <script> $(function() { $( "#range-slider" ).slider({ range: true }); }); </script> &lt...

A slider element can have its value set on initialization by providing a value option. This option is a number: $( "#slider" ).slider({ value: 5 }); A range slider can also have its values set in this way by providing a values option. This option is an array of numbers: $( &qu...

The slider provides an event called slide that will trigger whenever the mouse moves during a slider handle drag. This function holds a reference to the slide event and a reference to the slider ui object. The ui object holds a jQuery object for the handle being moved and the value(s) of the slide...

The slider provides an event called change that will trigger after the mouse completes a slider handle drag or if the value(s) have been changed programmatically. This function holds a reference to the slide event and a reference to the slider ui object. The ui object holds a jQuery object for the ...

The @Header and @Body annotations can be placed into the method signatures and Retrofit will automatically create them based on your models. public interface MyService { @POST("authentication/user") Call<AuthenticationResponse> authenticateUser(@Body AuthenticationReques...

Definition and Usage: The background-clip property specifies the painting area of the background. Default value: border-box Values border-box is the default value. This allows the background to extend all the way to the outside edge of the element's border. padding-box clips the background at ...

Import in your gradle root file classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8' Import in your gradle app file apt 'com.google.auto.value:auto-value:1.2' apt 'com.ryanharter.auto.value:auto-value-gson:0.3.1' provided 'com.jakewharton.auto.value:auto-value-annotations:1.2-update...

When you need to set a pixel value for something like Paint.setTextSize but still want it be scaled based on the device, you can convert dp and sp values. DisplayMetrics metrics = Resources.getSystem().getDisplayMetrics(); float pixels = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, 12f, m...

VOLUME ["/data"] The VOLUME instruction creates a mount point with the specified name and marks it as holding externally mounted volumes from native host or other containers. The value can be a JSON array, VOLUME ["/var/log/"], or a plain string with multiple arguments, such a...

LABEL <key>=<value> <key>=<value> <key>=<value> ... The LABEL instruction adds metadata to an image. A LABEL is a key-value pair. To include spaces within a LABEL value, use quotes and backslashes as you would in command-line parsing. A few usage examples: LAB...

ONBUILD [INSTRUCTION] The ONBUILD instruction adds to the image a trigger instruction to be executed at a later time, when the image is used as the base for another build. The trigger will be executed in the context of the downstream build, as if it had been inserted immediately after the FROM in...

STOPSIGNAL signal The STOPSIGNAL instruction sets the system call signal that will be sent to the container to exit. This signal can be a valid unsigned number that matches a position in the kernel’s syscall table, for instance 9, or a signal name in the format SIGNAME, for instance SIGKILL.

The HEALTHCHECK instruction has two forms: HEALTHCHECK [OPTIONS] CMD command (check container health by running a command inside the container) HEALTHCHECK NONE (disable any healthcheck inherited from the base image) The HEALTHCHECK instruction tells Docker how to test a container to check that...

SHELL ["executable", "parameters"] The SHELL instruction allows the default shell used for the shell form of commands to be overridden. The default shell on Linux is ["/bin/sh", "-c"], and on Windows is ["cmd", "/S", "/C"]. The...

Make sure your image object is fully loaded before you try to draw it on the canvas with context.drawImage. Otherwise the image will silently fail to display. In JavaScript, images are not loaded immediately. Instead, images are loaded asynchronously and during the time they take to load JavaScript...

SQL Server 2012 FETCH is generally more useful for pagination, but can be used as an alternative to TOP: SELECT * FROM table_name ORDER BY 1 OFFSET 0 ROWS FETCH NEXT 50 ROWS ONLY

This script, from here and here, will return all Tables and Columns where a specified value exists. This is powerful in finding out where a certain value is in a database. It can be taxing, so it is suggested that it be executed in a backup / test enviroment first. DECLARE @SearchStr nvarchar(100) ...