Tutorial by Examples: b

<dom-module id="using-listeners-obj"> <template> <style> :host{ width: 220px; height: 100px; border: 1px solid black; display: block; } #inner{ width: calc(100% - 10px); height: 50px; ...

To search for text foo within a {} block surrounding the cursor use the following command (<ESC> - escape key, <CR> - enter key) : vi{<ESC>/\%Vfoo<CR> now you can jump between the matches within the block by pressing n and p. If you have hlsearch option enabled this will ...

The Runnable interface defines a single method, run(), meant to contain the code executed in the thread. The Runnable object is passed to the Thread constructor. And Thread's start() method is called. Example public class HelloRunnable implements Runnable { @Override public void run()...

An example of a class that contains a parcelable class inside: public class Repository implements Parcelable { private String name; private Owner owner; private boolean isPrivate; public Repository(String name, Owner owner, boolean isPrivate) { this.name = name; ...

A function is similar in look to a mixin but it doesn't add any styles, it only returns a value. Functions should be used to prevent repeated logic in your styles. Sass has some built-in functions that are called using the standard CSS function syntax. h1 { background: hsl(0, 25%, 50%); } ...

To make a module eligible for Hot Module Replacement (HMR), the simplest way is to add module.hot.accept() inside the module, like this: // ... if(module.hot) { module.hot.accept(); // This will make current module replaceable }

Install webpack-dev-server via npm. npm i -D webpack-dev-server Configure webpack-dev-server by adding server.js. // server.js var webpack = require("webpack"); var WebpackDevServer = require("webpack-dev-server"); var config = require("./webpack.dev.config...

To create a redistributable package (e.g. a ZIP archive or setup program), it's usually enough to simply invoke CPack using a syntax very similar to calling CMake: cpack path/to/build/directory Depending on the environment this will gather all required/installed files for the project and put the...

To create a package using a specific format, it is possible to pick the Generator to be used. Similar to CMake this may be done using the -G argument: cpack -G 7Z . Using this command line would package the built project in the current directory using the 7-Zip archive format. At the time of w...

Binaries in elixir are created using the Kernel.SpecialForms construct <<>>. They are a powerful tool which makes Elixir very useful for working with binary protocols and encodings. Binaries and bitstrings are specified using a comma delimited list of integers or variable values, booke...

You can define central config info's in a separate gradle include file Centralizing dependencies via "dependencies.gradle" file a stand alone properties file Versioning your builds via "version.properties" file or do it with root gradle.properties file the project structu...

Inline display elements, usually such as span or a, will include up to one white-space character before and after them in the document. In order to avoid very long lines in the markup (that are hard to read) and unintentional white-space (which affects formatting), the white-space can be commented o...

build.gradle: dependencies { compile 'com.android.support:appcompat-v7:23.3.0' compile 'com.jakewharton.rxbinding:rxbinding-appcompat-v7:0.4.0' } menu/menu.xml: <menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.c...

Since the release of Gradle 2.2, the use of the android-apt plugin is no longer used. The following method of setting up Dagger 2 should be used. For older version of Gradle, use the previous method shown below. For Gradle >= 2.2 dependencies { // apt command comes from the android-apt plu...

One of the use cases of callback URLs is OAuth. Let us do this with an Instagram Login: If the user enters their credentials and clicks the Login button, Instagram will validate the credentials and return an access_token. We need that access_token in our app. For our app to be able to listen to suc...

The Standard (10.4) states: Member functions can be called from a constructor (or destructor) of an abstract class; the effect of making a virtual call (10.3) to a pure virtual function directly or indirectly for the object being created (or destroyed) from such a constructor (or destructor) is u...

Insertion sort is a very simple, stable, in-place sorting algorithm. It performs well on small sequences but it is much less efficient on large lists. At every step, the algorithms considers the i-th element of the given sequence, moving it to the left until it is in the correct position. Graphica...

.set-colors(@type) when (@type = error) { @base-color: #d9534f; background: @base-color; color: contrast(@base-color, lighten(@base-color, 25%), darken(@base-color, 25%)); border: 1px solid contrast(@base-color, lighten(@base-color, 25%), darken(@base-color, 25%)); } .set-colors(@type)...

VariableDetails$* / $@Function/script positional parameters (arguments). Expand as follows:$* and $@ are the same as $1 $2 ... (note that it generally makes no sense to leave those unquoted)"$*" is the same as "$1 $2 ..." 1 "$@" is the same as "$1" "$2&qu...

Process ID (pid) of the current instance of Bash. This is not the same as the $$ variable, but it often gives the same result. This is new in Bash 4 and doesn't work in Bash 3. ~> $ echo "\$\$ pid = $$ BASHPID = $BASHPID" $$ pid = 9265 BASHPID = 9265