Tutorial by Examples: b

To use the library, you must include it as a dependency with the following line: compile project(':[library root directory]')

Perform the following steps to create the library: Create a GitHub account. Create a Git repository containing your library project. Modify your library project's build.gradle file by adding the following code: apply plugin: 'com.github.dcendents.android-maven' ... // Build a j...

SAS is an integrated system of software solutions that enables you to perform the following tasks: data entry, retrieval, and management report writing and graphics design statistical and mathematical analysis business forecasting and decision support operations research and project managemen...

PubNub Access Manager (PAM) extends PubNub's existing security framework by allowing developers to create and enforce secure access to channels throughout the PubNub Real Time Network. Access Manager allows you to manage granular permissions for your realtime apps and data streams, create multiple ...

fn copy_if<F>(slice: &[i32], pred: F) -> Vec<i32> where for<'a> F: Fn(&'a i32) -> bool { let mut result = vec![]; for &element in slice { if pred(&element) { result.push(element); } } result } This s...

Validate that an attribute's value matches a regular expression using format and the with option. class User < ApplicationRecord validates :name, format: { with: /\A\w{6,10}\z/ } end You can also define a constant and set its value to a regular expression and pass it to the with: option. ...

You can check if a value is included in an array using the inclusion: helper. The :in option and its alias, :within show the set of acceptable values. class Country < ApplicationRecord validates :continent, inclusion: { in: %w(Africa Antartica Asia Australia ...

Add the [Serializable] attribute to mark an entire object for binary serialization: [Serializable] public class Vector { public int X; public int Y; public int Z; [NonSerialized] public decimal DontSerializeThis; [OptionalField] public string Name; } All...

If you use the [NonSerialized] attribute, then that member will always have its default value after deserialization (ex. 0 for an int, null for string, false for a bool, etc.), regardless of any initialization done in the object itself (constructors, declarations, etc.). To compensate, the attribut...

That would get more control over serialization, how to save and load types Implement ISerializable interface and create an empty constructor to compile [Serializable] public class Item : ISerializable { private string _name; public string Name { get { return _name; } ...

The first element of sys.argv[0] is the name of the python file being executed. The remaining elements are the script arguments. # script.py import sys print(sys.argv[0]) print(sys.argv) $ python script.py => script.py => ['script.py'] $ python script.py fizz => script.py ...

This example goes over how to set up CoreNLP from the latest official release. This example will take you through downloading the package, and running a simple command-line invocation of CoreNLP. Prerequisites: Java JVM 8. The command java -version should complete successfully with a line like: ...

In order to dynamically decide what beans to inject, we can use FactoryBeans. These are classes which implement the factory method pattern, providing instances of beans for the container. They are recognized by Spring and can be used transparently, without need to know that the bean comes from a fac...

A class or struct can also define member type aliases, which are type aliases contained within, and treated as members of, the class itself. struct IHaveATypedef { typedef int MyTypedef; }; struct IHaveATemplateTypedef { template<typename T> using MyTemplateTypedef = std::v...

Sometimes you want to have a file held in Git but ignore subsequent changes. Tell Git to ignore changes to a file or directory using update-index: git update-index --assume-unchanged my-file.txt The above command instructs Git to assume my-file.txt hasn't been changed, and not to check or repor...

Environment variables that affect the go tool can be viewed via the go env [var ...] command: $ go env GOARCH="amd64" GOBIN="/home/yourname/bin" GOEXE="" GOHOSTARCH="amd64" GOHOSTOS="linux" GOOS="linux" GOPATH="/home/yourname&q...

Current updates the branch on the remote repository that shares a name with the current working branch. git config push.default current Simple pushes to the upstream branch, but will not work if the upstream branch is called something else. git config push.default simple Upstream pushes to t...

This is the basic way to insert data from another table with the SELECT statement. INSERT INTO `tableA` (`field_one`, `field_two`) SELECT `tableB`.`field_one`, `tableB`.`field_two` FROM `tableB` WHERE `tableB`.clmn <> 'someValue' ORDER BY `tableB`.`sorting_clmn`; You can...

Drop Table is used to delete the table from database. Creating Table: Creating a table named tbl and then deleting the created table CREATE TABLE tbl( id INT NOT NULL AUTO_INCREMENT, title VARCHAR(100) NOT NULL, author VARCHAR(40) NOT NULL, submission_date DATE, PRIMARY K...

To hide the blinking caret, you need to override caretRectForPosition of a UITextField and return CGRectZero. Swift 2.3 < public override func caretRectForPosition(position: UITextPosition) -> CGRect { return CGRectZero } Swift 3 override func caretRect(for position: UITextPositio...