Ethereum Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Ethereum and blockchain. Topics include Blockchain, Ethereum, Cryptocurrency, Mining, MetaMask, Wallet. 2018-03-11, 185👍, 1💬
"keytool" Importing Certificates in DER and PEM
This section provides a tutorial example on how to use 'keytool' to import certificates in DER and PEM formats generated by 'OpenSSL' into 'keystore' files. 2016-04-01, 10943👍, 1💬
Certificate in PEM Format
This section describes what is certificate PEM (Privacy Enhanced Mail) format - A format uses PEM idea to convert a certificate in DER format to a message of printable characters. The conversion uses the Base64 encoding. 2016-03-30, 2756👍, 2💬
Insertion Sort Algorithm and Implementation
This chapter provides tutorial notes and codes on the Insertion Sort algorithm. Topics include introduction of the Insertion Sort algorithm, Java implementation and performance of the Insertion Sort algorithm. 2016-03-30, 254👍, 0💬
SSL Client Authentication
This chapter provides tutorial notes and example codes on SSL client authentication. Topics include introduction to SSL client authentication; creating server and client certificates; writing server and client test programs; running SSL client authentication tests. 2016-03-30, 192👍, 1💬
Retrieving Information from HTTP Requests
This chapter provides tutorial examples and notes about HTTP request. Topics include retrieving information from $_GET, $_POST, $_COOKIE, $_REQUEST, $_SERVER; promoting and registering $_REQUEST keys and values as global variables. 2016-03-29, 103👍, 1💬
Perl Script Conversion Tools
This section describes why and how to convert Perl script files to executable binary files. ActivePerl Dev Kit and Perl2Exe are two popular conversion tools for Windows systems. 2016-03-28, 1063👍, 3💬
First Example - Hello
This section provides a tutorial example on writing the very first WSDL 1.1 example that uses SOAP 1.1 over HTTP to send a hello message and receive a hello message back. 2016-03-28, 394👍, 1💬
piqpr8.c - Generating Hex Digits of PI
A C source code is provided to generate hexadecimal digits of the fractional part of PI (0.1415927...) using the BBP (Bailey–Borwein–Plouffe) formula. 2016-03-25, 657👍, 1💬
JButton - Swing Button Class
This chapter provides tutorial notes and example codes on JButton class. Topics include creating button components with the javax.swing.JButton class; creating buttons with image icons; adding button action handler at the component level and the frame level; adding mouse click handler to handle butt... 2016-03-25, 561👍, 2💬
Installing LG USB Device Driver on Windows
This section provides a tutorial example on how to install the LG USB device driver for LG-P925g Android phone on Windows system. This is needed to test your Android application developed on Windows on LG phones via a USB connection. 2016-03-24, 5044👍, 7💬
Illustration of DSA Algorithm: p,q=7,3
This section provides a tutorial example to illustrate how DSA digital signature algorithm works with small prime modulus p=7 and prime divisor q=3. 2016-03-22, 2189👍, 4💬
Selection Sort Algorithm and Implementation
This chapter provides tutorial notes and codes on the Selection Sort algorithm. Topics include introduction of the Selection Sort algorithm, Java implementation and performance of the Selection Sort algorithm. 2016-03-21, 392👍, 2💬
Introduction of Arithmetic Operations
This section provides a quick introduction of arithmetic operations supported by VBScript: addition, subtraction, multiplication, division, remainder, and exponentiation. 2016-03-20, 437👍, 2💬
VBScript Support in IE Web Browsers
This section provides a quick description of how IE browser execute VBScript codes, provide DOM API for document interaction, and provide events to trigger VBScript code execution. 2016-03-19, 980👍, 2💬
Key Schedule (Sub-Keys Generation) Algorithm
This section describes the Blowfish Key Schedule (Sub-Keys Generation) algorithm. It uses the binary representation of the fractional portion of constant Pi - 3.1415927... as initial values. 2016-03-17, 943👍, 2💬
Want to know when is the 2018 Chinese New Year day? Looking for Chinese calendars for 2018? Chinese ...
This section provides a tutorial example on how to turn on Windows Defender for real-time protection...
This section provides a quick description of the Services Console and a tutorial example on how to l...
This section describes steps to follow if you want to use the java.net.HttpURLConnecti onclass to se...
This section describes a tutorial example of a complete SOAP application with both server and client...