Tutorial by Examples: ci

A Java implementation for Caesar Cipher

Implementation of the Caesar cipher. This implementation performs the shift operation only on upper and lower case alphabets and retains the other characters (such as space as-is). The Caesar cipher is not secure as per current standards. Below example is for illustrative purposes only ! Refer...

cryptography • Caesar cipher

Efficiently building multiple serializers with derived types specified dynamically

Where we came from Sometimes we can't provide all of the required metadata needed for the XmlSerializer framework in attribute. Suppose we have a base class of serialized objects, and some of the derived classes are unknown to the base class. We can't place an attribute for all of the classes which...

.NET Framework • XmlSerializer

Special variables in perl:

1. $_ : The default input and pattern-searching space. Example 1: my @array_variable = (1 2 3 4); foreach (@array_variable){ print $_."\n"; # $_ will get the value 1,2,3,4 in loop, if no other variable is supplied. } Example 2: while (<FH>){ chomp($_); # $_ re...

Perl Language • Special variables

Dependencies

To list the dependency tree: gem dependency To list which gems depend on a specific gem (bundler for example) gem dependency bundler --reverse-dependencies

Ruby Language • Gem Creation/Management

Self Referencing Employee Table

ms-access • Self-Referencing tables

Jenkins CI Container using Docker

This chapter describes how to set up a Docker Container with Jenkins inside, which is capable of sending Docker commands to the Docker installation (the Docker Daemon) of the Host. Effectively using Docker in Docker. To achieve this, we have to build a custom Docker Image which is based on an arbitr...

Docker • Docker in Docker

Circular View

For a circular View (in this case TextView) create a drawble round_view.xml in drawble folder: <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval"> <solid...

Android • Drawables

Laravel Socialite

Laravel Socialite provides an expressive, fluent interface to OAuth authentication with Facebook, Twitter, Google, LinkedIn, GitHub and Bitbucket. It handles almost all of the boilerplate social authentication code you are dreading writing. Read more about this here

Laravel • Laravel Packages

Generic Inbound and Outbound Channel Adapter

Channel adapter is one of message endpoints in Spring Integration. It is used for unidirectional message flow. There are two types of channel adapter: Inbound Adapter: input side of the channel. Listen or actively read message. Outbound Adapter: output side of the channel. Send message to Java cla...

spring-integration • Getting started with spring-integration

Jdbc Inbound Adapter - xml configuration

In the official reference document, it says: The main function of an inbound Channel Adapter is to execute a SQL SELECT query and turn the result set as a message. The message payload is the whole result set, expressed as a List, and the types of the items in the list depend on the row-mapping st...

spring-integration • Jdbc Integration

MS-DOS, TASM/MASM, function to print a 16-bit number in decimal

Print a 16-bit unsigned number in decimal The interrupt service Int 21/AH=02h is used to print the digits. The standard conversion from number to numeral is performed with the div instruction, the dividend is initially the highest power of ten fitting 16 bits (104) and it is reduced to lower power...

Intel x86 Assembly Language & Microarchitecture • Converting decimal strings to integers

Specifying an element in a list

By default, accessing an individual item in a template dom-repeat loop is by calling {{item}}. Passing in an as= attribute to template will allow you to switch out the default {{item}} syntax for something that is more customized to the module you are working with. In this case, we want to grab the ...

polymer-1.0 • Looping, the template dom-repeat.

JSP out implicit object - simply displaying date and time.

jsp • Implicit objects

Decimal Integer literals

Integer literals provide values that can be used where you need a byte, short, int, long or char instance. (This example focuses on the simple decimal forms. Other examples explain how to literals in octal, hexadecimal and binary, and the use of underscores to improve readability.) Ordinary integ...

Java Language • Literals

Accessing the outer class from a non-static inner class

The reference to the outer class uses the class name and this public class OuterClass { public class InnerClass { public void method() { System.out.println("I can access my enclosing class: " + OuterClass.this); } } } You can access fields and ...

Java Language • Nested and Inner Classes

Type Inference for Generic Instance Creation

You can use Map<String, List<String>> myMap = new HashMap<>(); instead of Map<String, List<String>> myMap = new HashMap<String, List<String>>(); However, you can't use List<String> list = new ArrayList<>(); list.add("A"); ...

Java Language • Java SE 7 Features

Change product image on hover on a category page in Stencil

This was added to assets/js/theme/category.js in loaded(). You will also need to add {{inject "categoryProducts" category.products}} to templates/pages/category.html var mainImages = []; var rollOvers = []; this.context.categoryProducts.forEach(function(e, i) { if (e.images[0])...

bigcommerce • Using javascript to customize the storefront

Strict Adherence to the IEEE Specification

By default, floating point operations on float and double do not strictly adhere to the rules of the IEEE 754 specification. An expression is allowed to use implementation-specific extensions to the range of these values; essentially allowing them to be more accurate than required. strictfp disable...

Java Language • Java Floating Point Operations

Add citation to already existing LaTeX document

At the end of the document add the following: \bibliographystyle{style} \bibliography{file location} Create a file with extension .bib and save the citation as follows: @inproceedings{citation_name, title={Paper Title}, author={List Authors}, pages={45--48}, year={2013}, organizat...

latex • Add Citation

Common Misconception about asyncio

probably the most common misconception about asnycio is that it lets you run any task in parallel - sidestepping the GIL (global interpreter lock) and therefore execute blocking jobs in parallel (on separate threads). it does not! asyncio (and libraries that are built to collaborate with asyncio) b...

Python Language • Asyncio Module