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"base64Binary" Datatype Values and Representations
This section describes the built-in primitive datatype, 'base64Binary' that represents binary data represented in Base64 encoding. Whitespaces are allowed and removed.
2017-11-08, 4889👍, 3💬

💬 2015-10-01 Herong: Harsh, if you are getting an image as a Base64Binary element in an XML file, you need to save it in a file, run Base64 decode on...

💬 2015-09-30 Harsh: I am getting output in base64binary now i want to print that image to the printer how can i do it?

DSA 512-bit and 1024-bit Key Pair Examples
This section provides 2 DSA key pair examples, 512-bit and 1024-bit, using DsaKeyGenerator.java running JDK 1.6.
2017-11-08, 259👍, 1💬

💬 2017-11-08 abc: ok

PDF Printing Version: XML Tutorials
Information on how to obtain the PDF version of this book for printing.
2017-11-07, 901👍, 3💬

💬 2017-11-07 amarendra: thanks for xml tutorials

💬 2017-04-09 Rajesh: Very nice..Thanks

💬 2016-02-10 Sanjay Kumar: This books looks very helpful for XML editing and validation against XSDs.

$instance Statement - Define Instance Template
This section describes the $instance statement for defining instance template.
2017-11-06, 119👍, 1💬

💬 2017-11-06 Vincent: Concept is good!

Building Your Own Web Browser
This section provides a tutorial example on how to use the saveWebArchive() method to save Web page content in WebView to Web archive files in the application's files folder.
2017-11-05, 517👍, 2💬

💬 2017-11-05 Herong: Igor, the API document is not very clear if saveWebArchive() is asynchronous method or not. But you can write some print stateme...

💬 2017-11-02 Igor Ganapolsky: Does `saveWebArchive()` have to be done asynchronously on a non-ui thread?

Chinese Calendar Program in java
This section provides a Chinese calendar program in Java language using using astronomical data obtained from eleworld.com.
2017-11-05, 1093👍, 4💬

💬 2017-11-05 Herong: Steven, good to know. Thanks.

💬 2017-11-05 Steven: Thanks for the sharing. I've implemented in R https://github.com/stchau4work/chine seCalendar

💬 2017-05-27 Herong: Matthew, do you want to implement the whole thing in Microsoft Access, or just the data part?

💬 2017-05-25 Matthew: This looks great! Do you have any advice on implementing this into a Microsoft Access database? Any help would be appreciated.

Installing OpenSSL on Windows
This section provides a tutorial example on how to install OpenSSL on a Windows system.
2017-10-29, 41604👍, 18💬

💬 2017-10-29 Max: Te possino! How I obtain the .o, .h files to use like include in my .c mail file?

💬 2017-02-03 Jim: Now run along...

💬 2017-02-03 Jim: If I did this just once we would not be even, cause you did it once when you put it up here..

💬 2016-12-19 red: Please write meaningful comments. Thanks!

💬 2016-12-19 Thank: Thanks!

(More comments ...)

What Is DSA (Digital Signature Algorithm)?
This section describes the DSA (Digital Signature Algorithm) algorithm, which consists of 2 parts: generation of a pair of public key and private key; generation and verification of digital signature.
2017-10-29, 22551👍, 14💬

💬 2017-10-29 Abi: Very informative

💬 2017-04-01 Herong: T, A double asterisk ** is the exponentiation operation that raise a base to a power.

💬 2017-03-27 t: What is "**"?

💬 2017-03-10 appalaraju: useful

💬 2016-12-04 Herong: Krishna, you are welcome!

(More comments ...)

HelloServerWsdl.php - SOAP 1.2 Server Application in WSDL Mode
This section describes a tutorial example of a complete SOAP application with both server and client programs using SOAP 1.2 in WSDL mode.
2017-10-26, 8262👍, 11💬

💬 2017-10-26 Herong: Bel, can you show me your client program here?

💬 2017-10-26 Bel: Hi! I managed to fix my problem before. Client works with php nusoap but returns an error when consumed by ASP.net/C# (Response ...

💬 2017-09-27 Lubos: the only tutorial I found that really expains php soap with wsdl.. thanks a lot

💬 2017-04-01 Herong: Bel, are you try to call the "__" operation in your code?

💬 2017-03-28 Bel: I am using nusoap, btw...

(More comments ...)

SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks.
2017-10-26, 10210👍, 6💬

💬 2017-10-26 Herong: Jamal, w(0), ..., w(15) are initial values. w(16), ..., w(79) are used on the left side of the assignment operator to store stor...

💬 2017-10-25 Y. Jamal: Hi, we have w(0), w(1),....w(15) how come in the For loop we have W(t) and t goes from 16 to 79. something is not right.

💬 2017-09-29 Herong: I don't think it takes the length of bits. But I will double check it.

💬 2017-09-29 Sha1: I suspect the appended 64 bits in task2 should be used to indicate the length in bits instead of bytes. Reference: https://csrc....

💬 2017-03-07 g: gud

(More comments ...)

Installing Visual GC Plugin
This section provides a tutorial example on how to install the Visual GC plugin to Java VisualVM and monitor GC activities.
2017-10-25, 2021👍, 4💬

💬 2017-10-25 haibing: thanks

💬 2017-06-16 marth: powerful tool

Using SHA1 Message Digest in Java
This section provides a tutorial example on how to use SHA1 message digest algorithm in Java. The JDK JCE package offers the SHA1 algorithm through a generic message digest class, javax.security.MessageDigest.
2017-10-24, 12877👍, 7💬

💬 2017-10-24 Siva: Thanks

💬 2017-08-24 Superman: &lt;script>alert("xss");&lt; /script>

💬 2016-10-24 appu: thanks!

💬 2016-09-01 Shubham: well done.

💬 2016-02-18 saravanan: thanks

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Conditional "elseif" Statement
This section describes what is a conditional 'elseif' statement in H language.
2017-10-24, 119👍, 2💬

💬 2017-10-24 Herong: Vijay, $elsif is an option. But I strongly suggest we use full words, no abbreviations. So we don't have to guess.

💬 2017-10-18 Vijay: Why not using "elsif" as the keyword?

Running Perl Scripts on Linux Systems
This section provides a tutorial example on how to run Perl scripts on Linux systems. To make a Perl script file executable, you need to add '#!/usr/bin/perl' to the beginning of the script.
2017-10-24, 13345👍, 15💬

💬 2017-10-24 Herong: sdre, what is the issue are you referring to?

💬 2017-10-23 sdre: That's an issue with the Perl script, not with running the script itself, and it deserves another question (not here, on Stack O...

💬 2017-09-20 Herong: >perl hello.prg should work.

💬 2017-09-15 Purushottam: >perl hello.prg in the above line .prg is correct or it is .pl ??

💬 2017-04-03 john honaii.....: heeeeeheeeee

(More comments ...)

XML Tutorials - Herong's Tutorial Examples
This free XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself, an ideal tutorial guide for beginners. Topics include DOM, DTD, J2SDK, Java, SAX, Syntax, Templates, XML, XPath, XSD, XSL, XSLT, XSL-FO.
2017-10-15, 5350👍, 2💬

💬 2016-05-07 mehari: this tutorials helps many trainers through out the world, thanks!

💬 2015-07-19 Jay: What about JSON format?

DES Algorithm Java Implementation
This chapter provides tutorial examples and notes about DES algorithm implementation in Java language. Topics include an example Java implementation of DES encryption and decryption algorithm; test cases of single block cleartext and ciphertext.
2017-10-15, 5745👍, 15💬

💬 2017-10-15 Herong: CipherDES.java also works as a decryption program. Try it by running "java DesCipher decrypt keyFile input output".

💬 2017-10-09 aa: thanks, but where i can find DES decryption

💬 2017-10-09 Denys: thx

💬 2017-04-23 aa: thanks

💬 2017-02-15 gg: lolol

(More comments ...)

JSP Document - JSP Page in XML Format
This section describes the syntax of a JSP Document, which is a JSP page written in XML format. Tomcat 7 server can process both JSP Page format and JSP Document format.
2017-10-10, 104👍, 1💬

Downloading and Installing JDK 1.8
This section describes how to download and install Java SE Development Kit (JDK) 8u45 on a Windows system.
2017-10-09, 6640👍, 5💬

💬 2017-10-09 Ivan: Thanks!

💬 2017-04-03 prathamesh: greaT

💬 2016-10-24 azeem: thanksa

💬 2016-01-11 hari prasath: collage use

Meter Based on Earth's Meridian
This section introduces an old definition of 'meter' which uses the Paris meridian line. A 'meter' is about one ten-millionth of the length of a quadrant of the Paris meridian.
2017-10-08, 227👍, 2💬

💬 2017-10-08 Herong: Peter, what's the difference between inaccurate and miscalculated?

💬 2017-10-07 Peter: This explanation is incorrect. You are inferring from speed of light definition and assuming a broader sense of “correct” and wo...

GetSunSetRiseTime - Usage Description
This section describes the free Web service GetSunSetRiseTime provided by WebserviceX.NET. GetSunSetRiseTime allows you to retrieve sunrise and sunset times for any given location and date.
2017-10-08, 405👍, 4💬

💬 2017-10-08 Herong: Eduardo, do you need Java code to connect to the server to use the service, or to setup a new sun rise and sun set service?

💬 2017-10-02 Eduardo: Please, I need the code of sunsetriseservice for java netbeans. Thanks...

💬 2016-10-12 Herong: Vassilis, Good question. Can you try the following: return_value = 17.9877033 hour = floor(return_value) minute = floor((return_...

💬 2016-10-10 Vassilis V: Hi, how can we convert the float return to time?

Perl Tutorials - Herong's Tutorial Examples
This Perl tutorial book is a collection of notes and sample codes written by the author while he was learning Perl language himself. Topics include ActivePerl, data types, subroutines, debug, references, objects, open, binary, file, directory, DBM, MySQL, regular expression, RPC::XML, XML::Simple, S...
2017-10-06, 4478👍, 5💬

💬 2017-10-23 guru: That's an issue with the Perl script, not with running the script itself, and it deserves another question (not here, on Stack O...

💬 2017-10-06 drhvr: mysql I added root as user and password.in singlequotes. It works great

💬 2014-03-17 Steven Klotz: Hi Herong, I found this web site while looking for PERL examples. Your knowledge and the amount of work you done (docu, tutorial...

💬 2010-11-22 Herong: Kim, Yes, you can prompt the user for a path name, open directory with opendir(), loop through each files, use the -s operator t...

💬 2010-11-19 Kim: Thank you Herong. I am a beginner and teaching myself how to use PERL. I found your tutorials very interesting. I am building a ...

Using java.net.HttpURLConnection to Send SOAP Messages
This section describes steps to follow if you want to use the java.net.HttpURLConnection class to send out a SOAP XML message.
2017-10-01, 25428👍, 13💬

💬 2017-02-26 roberto: ok

💬 2016-05-21 Herong: sss, are you referring to the example program in Using HttpURLConnection to Call GetSpeech SOAP 1.1?

💬 2016-05-19 sss: it only worked after changing to con.setRequestProperty("Content-Type ","application/soap+xml; charset=utf-8"); and without usin...

💬 2015-12-29 Marcos Volpato: This worked for me, thanks a lot

💬 2015-08-31 King Of Goats!: goat!

PDF Printing Version: JDK Tutorials
Information on how to obtain the PDF version of this book for printing.
2017-09-29, 1389👍, 5💬

💬 2017-09-29 gloax29: merci

💬 2015-11-20 sameer: good going

💬 2015-09-02 Herong: Dharshan, you can follow tutorials presented at JSSE - Java Implementation of SSL and TLS.

💬 2015-09-01 Dharshan: I want to learn JSSE

Galilean Diagram of Moving Frames
This section presents a single diagram that represents a moving frame overlaid on a stationary frame. The time axis of the moving frame is rotated towards the moving direction.
2017-09-27, 202👍, 1💬

💬 2017-09-27 Salih Kırcalar: John David Best has his web site Vida İnstitute. He put my articles page in 'Timeflow Theory' 'http://vidainstitute.org/?page_id.. .

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