Herong's Tutorial Examples

EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2019-07-06, 913👍, 3💬

💬 2019-07-02 Eleftheria Drosopoulou: Hello Herong, Nice blog! I am editor at Java Code Geeks (www.javacodegeeks.com). We have the JCG program (see www.javacodegeeks....

💬 2019-01-01 Yale: Thank you!

<< < … 6 7 8 9 10 11 12 13 14 15 16 … > >> Sort: Rank

"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. 2018-06-28, 17590👍, 2💬

💬 2016-04-01 MM: Thank you, this is very helpful.

Garbage Collection Logging Options
This section describes HotSpot JVM options to generate garbage collection log messages. '-XX:+PrintGCDetails' and '-XX:+PrintGCDateStamps' are two most important options. 2018-06-24, 262👍, 1💬

💬 2018-06-24 Tina: This is useful.

💬 2018-04-23 Don: Thanks for the detailed explanation!

💬 2018-06-24 Tina: This is useful.

💬 2018-04-23 Don: Thanks for the detailed explanation!

Java Exception: "java.lang.OutOfMemoryError: Java heap space"
This section provides a tutorial example on how JVM expands the Heap space to allocate more objects and leads to the 'java.lang.OutOfMemoryError: Java heap space' Java exception, if it is not allowed to expand any more. 2018-06-24, 261👍, 1💬

💬 2018-06-24 Maria: Cool!

💬 2017-08-10 xionghongzhi: awsome artical!!!!!! thx!!!

💬 2018-06-24 Maria: Cool!

💬 2017-08-10 xionghongzhi: awsome artical!!!!!! thx!!!

Introduction to Web Service
This chapter provides a quick introduction on Web services and related technologies. 2018-06-18, 1555👍, 5💬

💬 2018-06-18 Poonam: Books are necessary.

💬 2017-03-30 ravi: This is to learn web services

💬 2015-12-13 A: Useful

Bitcoin Tutorials - Herong's Tutorial Notes
This free book is a collection of tutorials and notes on Bitcoin and blockchain. 2018-06-17, 1133👍, 2💬

💬 2018-03-07 Neil Shrestha-Birtch: Awesome stuff again! I want to build my skills to be a Core dev one day!

💬 2018-02-16 Cindy: Very good for beginners!

Scripting Runtime DLL Library Overview
This section describes the Scripting Runtime DLL library, scrrun.dll, which offers Dictionary objects to store pairs of keys and values. scrrun.dll also offers FileSystemObject objects for you to manage local file systems. 2018-06-17, 636👍, 2💬

💬 2018-06-17 Herong: Julianna, Can you just terminate the script process with Task Manage?

💬 2018-06-14 Julianna: how to stop a running scrip on window 10?

What Is ASCII?
This section provides a quick introduction of ASCII (American Standard Code for Information Interchange) character set and encoding. 2018-06-15, 297👍, 1💬

💬 2018-06-15 z: Thanks

64-bit RSA Key Validated by RsaKeyValidator.java
This section provides a tutorial example on how a 64-bit RSA key is validated by RsaKeyValidator.java with 3 rounds of encryption and decryption tests. 2018-06-09, 470👍, 2💬

💬 2018-06-09 Herong: Adrian, you are welcome!

💬 2018-06-09 Adrian: I needed in rush working 64-bit keys. You helped me a lot. Thanks! :D

What Is "leader" Formatting Object?
This section describes 'leader' formatting object, which is an inline-level formatting object that generates an inline area with flexible width with a repeating pattern to fill gaps between other inline areas. 2018-06-09, 529👍, 2💬

💬 2018-06-09 Herong: vik, a fill-in-the-blank form is just a normal PDF page created as an application form blank fields for people to fill in. The "...

💬 2018-06-08 vik: nice explanation and example. Could you please give an example for creating entry fields in fill-in-the-blank forms?

Downloading and Installing JDK 1.7.0 on Windows
This section provides a tutorial example on how to download and install JDK 1.7.0 (Java SE 7) on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2018-06-05, 5699👍, 4💬

💬 2017-01-02 sudhanshu: no comments

💬 2016-12-17 tangxy: thk, i just want to learn java

💬 2016-11-22 ankit: THANKS

2030-2040 Lunar Calendar
I've created Chinese Lunar calendars for my Chinese partner for ten years but your website calendars end at 2029 (http://www.herongyang.com/202 9/2029_chinese_calendar_v3.pdf )Can you please create more for me? marvin@metrocast.net Sure, just give me a few days. - Herong 2018-06-01, 1752👍, 0💬

DBM Database Example - Book Records with Multiple Fields
This section provides a tutorial example of using DBM database files to build book records with multiple fields by joining them into a single string value. 2018-05-31, 186👍, 1💬

💬 2018-05-31 pat: I just wanted to let you know that your examples are very informative and helpful to the small project I am working on. Thank yo...

Showing Services under Each Process
This section provides a tutorial example on how to use command 'tasklist' to show all services under each running process with the service option '/SVC'. 2018-05-19, 297👍, 2💬

💬 2018-05-15 Herong: Hi John, you can pipe the output to the FIND command to get what you are looking for: tasklist /SVC | find "N/A"

💬 2018-04-30 John: Hello, Is there any way to list the processes that have no services (N/A) and their PID?

System.setProperty() - Setting Your Own Properties
This section provides a tutorial example on how to modify system properties provided by the JVM, and set your own properties into the system property map. 2018-05-15, 206👍, 2💬

Receive Test Bitcoin from testnet.coinfaucet.eu
This section describes how to receive test Bitcoin from testnet.coinfaucet.eu. 2018-05-09, 253👍, 1💬

💬 2018-05-09 pankaj: Nice one to start with

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. 2018-04-24, 3488👍, 5💬

💬 2016-03-22 Herong: Peter, I see the issue now. This example needs to be reviewed and updated. Thanks for the feedback.

💬 2016-03-21 peter winzell: x is not selected according to 0 < x < q

💬 2015-10-19 Herong: Hi Marian, do you have a question about this tutorial?

💬 2015-10-18 Marian: when q=3 x = 5 # selected: 0 < x < q

"-XX:+PrintGCDetails" - Garbage Collection Logging
This section describes HotSpot JVM options to generate garbage collection logging messages. It also describes log message format to help us understand what the JVM is telling us. 2018-04-23, 348👍, 1💬

Using WSDL2Java to Generate Web Service Stub Classes
This chapter provides tutorial notes and example codes on WSDL2Java. Topics include using the WSDL2Java tool included in Axis2 1.4.1; generating client side stub classes; using stub and data type classes; testing stub classes with XML document and RPC method based Web services. 2018-04-22, 12878👍, 9💬

💬 2018-04-22 test name: thanks

💬 2017-01-20 Stephen: Hi , thanks for this tutorial

💬 2016-02-24 Herong: NfeDownloadNFStub, do you need any help on your WSDL document?

💬 2016-02-23 NfeDownloadNFStub: <?xml version="1.0" encoding="UTF-8"?> <wsdl:definitions xmlns:s="http://www.w3.org/2001/XMLS chema"xmlns:soap12="...

💬 2015-12-18 prem: thanks

SOAP Web Service and SoapUI
This chapter provides tutorial notes and example codes on testing SOAP Web services with SoapUI. Topics include introduction of SOAP protocol and WSDL documents; creating SOAP projects by loading WSDL documents in SoapUI; submitting SOAP Web service requests; viewing HTTP request and response raw da... 2018-04-21, 370👍, 2💬

💬 2018-04-21 Herong: Jay, thanks for your comment!

💬 2018-04-20 Jay Bodkin: When deciding whether to use SOAP or WSDL, always remember the saying "Use SOAP when you are dirty (ie need security) and REST w...

Introduction of DSA (Digital Signature Algorithm)
This chapter provides tutorial notes and example codes on DSA (Digital Signature Algorithm). Topics include introduction of DSA; illustration of DSA key generation, message signing and signature verification; proof of Digital Signature Algorithm. 2018-04-07, 3477👍, 11💬

💬 2018-04-07 Digital Signature Algorithm: Conclusions: DSA (Digital Signature Algorithm) uses public key and private key to generate and verify digital signatures. DSA pu...

💬 2018-04-07 Submit Your Comment: Please write meaningful comments. Thanks! ☺

💬 2018-04-07 world: hello

💬 2018-02-20 amit: hello

💬 2017-09-19 dasu: we r champion

Table of Contents
This free book is a collection of notes and sample codes written by the author while he was learning Flash. Topics include ActionScript, ActiveX, classid, Flash, FFmpeg, OBJECT, Player, Plugin, Shockwave, SWF, SWFTools, Web. 2018-04-01, 4220👍, 2💬

💬 2018-04-01 Herong: Citing pressure from HTML5, WebGL, and WebAssembly, Adobe has announced in July, 2017 that it will end development and distribut...

💬 2015-07-17 Joe: Is Flash dead?

"swfcombine -a" - Concatenate SWF Files
This section provides a tutorial example on how to concatenate two SWF files by appending frames from one file to the end of another file using the 'swfcombine -a' command. 2018-04-01, 362👍, 2💬

💬 2018-04-01 Herong: Mike, SWF Tools has no commands to create loops. To create a slide show with loops, you can write a simple code in SWFC Script. ...

💬 2018-03-28 Mike: Is there a way to make the first slide show loop say 3 times before it moves onto the second slide show?? I mean I suppose you c...

<< < … 6 7 8 9 10 11 12 13 14 15 16 … > >> Sort: Rank