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Year 1977 Chinese Calendar - Year of the Snake
2017-01-05, 343👍, 2💬

💬 2017-01-05 Qays: Hi , I am born on 8th may 1977 . Snake year . After a long way of full experience of gain and loss now I am heading to the old b...

💬 2016-04-06 Michael: Life is good.

RsaKeyGenerator.java for RSA Key Generation
This section describes the initial draft of a RSA public key and private key generation implementation using the java.math.BigInteger class.
2017-01-05, 553👍, 2💬

💬 2017-01-05 Herong: Alex, you are right. q should be selected independently from p. I will make a change in the next revision.

💬 2016-12-28 Alex T.: Using nextProbablePrime() to compute q appears somewhat risky to me: An attacker with the knowledge of N=p*q could simply comput...

Comments on Herong's Tutorial Books
Please share your general comments on my tutorial books here. Comments should not contain hyperlinks to any external Web sites.
2017-01-05, 25536👍, 186💬

💬 2017-01-05 SOOZEE PALAMINOV: Dr. Herong ... I am super IMPRESSED with this website ... I found it by accident ... Greatly appreciated and Thank You very Much...

💬 2016-02-12 krishna: type conversion topic with example: [URL removed]

💬 2016-01-17 Herong: @EnigmaVariation0, The current year, 2016 CE (Common Era), also called AD (Anno Domini) 2016) is Chinese AH (Anno Huángdì) 4713....

💬 2015-12-31 Herong: @EnigmaVariation0, thanks for your comment. I will double check the Chinese year #.

💬 2015-12-31 EnigmaVariation0@gmail.com: Your traditional Chinese calendars are printing the wrong lunar year. 2016 CE should be 4714 AM (Anno Mundi?) They could use som...

(More comments ...)

How JSP Pages Are Processed?
This section describes how JSP pages are processed by the Web server. Two key steps are involved: 1) compilation of the JSP page into a Java Servlet class; 2) execution of the compiled class.
2017-01-04, 1512👍, 2💬

💬 2017-01-04 Brian: You're a spa

💬 2015-11-18 santhosh: error

Chinese Character String with UTF-8 Encoding
This section providing information on handling Chinese character string literals in UTF-8 encoding.
2017-01-04, 3039👍, 8💬

💬 2016-03-10 Herong: Developers are welcome! ☺

💬 2016-03-09 as: o i am developer

💬 2016-02-15 test: Hello i am developer

💬 2015-11-07 Herong: 間單 and 间单 are corrected now. Thanks again for your comment. ☺

💬 2015-10-31 Herong: Yeah. I will fix it later. Thanks.

(More comments ...)

Inputting Chinese Text to MySQL Database in UTF-8
This section describes how to take Chinese text from Web form and store it in MySQL database in UTF-8 encoding.
2017-01-03, 1861👍, 6💬

💬 2017-01-03 wade: 你好

💬 2016-07-22 正繁體字 ñ Jú: 正繁體字 ñ Jú

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.
2017-01-02, 3565👍, 3💬

💬 2017-01-02 sudhanshu: no comments

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

💬 2016-11-22 ankit: THANKS

UTF-8 Encoding
This section provides a quick introduction of the UTF-8 (Unicode Transformation Format - 8-bit) encoding for Unicode character set. It uses 1, 2, 3, or 4 bytes for each character.
2016-12-30, 144👍, 1💬

💬 2016-12-30 Rehman: Welcome

PDF Printing Version
Information on how to obtain the PDF version of this book for printing.
2016-12-28, 1309👍, 5💬

💬 2016-12-28 liab: wrote a meaningful comment

💬 2016-08-23 ericens: it meaning a lot to me

💬 2015-11-09 yogesh: I need this for learning abount JDB

💬 2015-08-06 Akhilesh: Thanks

💬 2015-08-05 Vinay: good

UTF-16 Encoding
This section provides a quick introduction of the UTF-16 (Unicode Transformation Format - 16-bit) encoding for Unicode character set. Paired surrogates are used for characters in the U+10000...0x10FFFF range.
2016-12-28, 264👍, 1💬

💬 2016-12-28 anson: what a detail of explain. i think i complete understand it. thanks very much.

SOAP Web Service Tutorials - Herong's Tutorial Examples
This free book is an excellent tutorial book for beginners. It is a collection of notes and sample codes written by the author while he was learning Web service and SOAP himself. Topics include Binding, Data Model, Encoding, HTTP, Java, Message, Message Exchange Patterns, NuSOAP, PEAR, Perl, PHP, RP...
2016-12-24, 14855👍, 7💬

💬 2016-12-24 Herong: Tan, you can try with this tutorial SoapUI Configuration for Messaging Encryption. Or dump the HTTP requests received from your ...

💬 2016-12-22 Tan: Hi Herong, i have been trying to use SOAPUI to send encrypted message to my webservice (java) with asymmetric binding. When i us...

💬 2015-07-29 Herong: Andriy, to decrypt a cipher message encrypted with AES128-CBC, you need to get the Initialization Vector from the message sender...

💬 2015-07-29 Andriy: If encryption algorythm is aes128-cbc where I can get Initialization Vector to decrypt message?

💬 2015-07-20 Herong: Looks like someone is sending a web service call to my new comment AJAX service :-)

(More comments ...)

SOAPAction - Not Needed, But No Way to Remove It
This section describes why the SOAPAction header line is not needed in SOAP 1.2 - SOAPAction is replaced by the 'action' parameter of the application/soap-xml media type in SOAP 1.2.
2016-12-24, 212👍, 2💬

💬 2016-12-24 Herong: Palik, Thanks. I will try it out.

💬 2016-12-21 palik: > No Way to Remove SOAPAction indeed the is a way: Soap::Lite->new()...->on_action( sub {} )... removes SOAPAction header

JDBC-ODBC Bridge Driver - MS Access
This chapter provides tutorial notes on using the JDBC-ODBC Bridge driver with MS Access database. Topics include creating MS Access database file; creating DSN for MS Access database files; inserting rows to and retrieving rows from Access database.
2016-12-22, 6152👍, 11💬

💬 2016-12-22 nhat: need jdbc

💬 2016-12-04 Herong: Sumon, Stay with JDK 7. It has a built-in JDBC=ODBC bridge driver to connect to Access database.

💬 2016-12-03 sumon: To run my access database

💬 2016-05-20 djamo: thenk you

💬 2016-01-11 Mars Chen: thanks for your providing this jar lib

(More comments ...)

Calculation Speed and Response Time
This chapter provides tutorial notes and example codes on ASP script page performance. Topics include measuring execution speed of ASP script calculating prime numbers; measuring response time of a simple 'Hello' ASP script page.
2016-12-21, 237👍, 1💬

💬 2016-12-21 saddam: yes

java.util.Locale - Localization and Internationalization
This section provides a tutorial example on how to use java.util.Locale class to verify the default locale and list all supported locales. A locale is an identification of a combination of human language and country.
2016-12-19, 3110👍, 3💬

💬 2016-12-19 jfseb: Note that java locales do not correspond in all versions to ISO 639. e.g. hebrew is now he, not iw. https://en.wikipedia.org/wik...

💬 2016-05-06 Scrijna: P.S. It's also useful for Java, iOS and Windows localization, as it supports most popular localization formats.

💬 2016-05-06 Scrijna: For Android app localization, you could try using the localization tool https://poeditor.com It's useful for collaborative trans...

LambdaCalculator.java - Lambda Expression Example
This section provides a tutorial example on using an lambda expression to define a class anonymously implementing a single abstract method interface. An anonymous class and a local class are used as comparisons.
2016-12-17, 195👍, 1💬

💬 2016-12-17 J.: Thanks.

Validating wsse:Password Digest String
This section provides a tutorial example on how the SOAP message receiver should validate the password digest string in the wsse:Password element using the 'Password_Digest = Base64 ( SHA-1 ( nonce + created + password ) )' definition.
2016-12-17, 4729👍, 6💬

💬 2016-12-17 Herong: Arun, the nonce value is in the <wsse:Nonce> element. It is usually generated by the client program with random algorithm.

💬 2016-12-14 Arun: Where I can get the nonce value

💬 2016-04-08 Jen: I would like to know where can I get nonce.

💬 2015-11-07 herong: Kumar, the password digest value was wrong in my tutorial example, which is being updated now. Your calculation process and resu...

💬 2015-10-29 Herong: Hi Kumar, I will look at your question, when I get a chance.

(More comments ...)

PDF Printing Version: JDBC Tutorials
Information on how to obtain the PDF version of this book for printing.
2016-12-16, 1627👍, 16💬

💬 2016-12-16 Herong: Dzung, check your email. You should have it now.

💬 2016-12-16 Dzung Nguyen: I donated $10 through paypal, but I still can't download this book.

💬 2016-08-03 Arvind kumar: thank you

💬 2016-02-17 A: Very precise and clear examples

💬 2016-02-15 A: good!

(More comments ...)

Digital Signature Algorithm and Sample Program
This chapter provides tutorial notes and example codes on digital signature. Topics include algorithm and steps of signing a document; algorithm and steps of verifying a signature; digital signature generation and verification sample programs; sample signatures of SHA1withRSA and SHA1withDSA algorit...
2016-12-15, 284👍, 1💬

💬 2016-12-15 vijay: thanks

PDF Printing Version: MySQL Tutorials
Information on how to obtain the PDF version of this book for printing.
2016-12-14, 355👍, 4💬

💬 2016-12-14 PRAKASH: nice

💬 2016-01-10 atalay: student

Create Tables with CLOB Columns
This section describes how to create tables with CLOB columns in Oracle server.
2016-12-14, 1275👍, 1💬

💬 2016-12-14 morgane: dhzeujf zihf zeiuhfzehf ezhf zoiehfqiejfcksbfhjre fnr jcrh vrf

"oShell.Exec(cmd)" - Running System Command with a Script
This section provides a tutorial example on how to run a system command with a VBScript code. Command output and status can be monitored with WshScriptExec properties.
2016-12-14, 412👍, 2💬

💬 2016-12-14 Herong: Hari, Yes, you can try this: host = "herongyang.com" Set oExec = oShell.Exec("ping " & host)

💬 2016-12-12 hari: how can i pass a variable to the command

Printing Histogram of Java Object Heap
This section provides a tutorial example on how to print the histogram of Java object heap, a list of different types of objects and their counts and total sizes.
2016-12-14, 519👍, 2💬

💬 2016-12-14 Herong: Erik, you can look at the Java Management Extensions (JMX) API.

💬 2016-12-11 Erik Ostermueller: is there a java api to access this histogram? Thanks, --Erik

mcrypt DES Encryption Testing Program
This section provides a tutorial example on how to use the DES algorithm in a specific operation mode as block or stream cipher.
2016-12-13, 112👍, 1💬

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