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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, 9715👍, 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, 1626👍, 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, 12310👍, 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, 115👍, 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, 12877👍, 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

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DES Key Schedule (Round Keys Generation) Algorithm
This section describes DES (Data Encryption Standard) algorithm - A 16-round Feistel cipher with block size of 64 bits.
2017-10-24, 7423👍, 11💬

💬 2017-10-24 Herong: QuAI, you are right those bits are not used in the Permuted Choice 1 (PC1) table.

💬 2017-10-19 QuAl: And forget about bits 8, 16, ..., 64 of initial кey K! Those bits for parity check only (see FIPS 46-3)

💬 2017-06-15 Azaz: Not that much useful

💬 2015-12-15 Aleksandar: I want to encrypt using DES

💬 2015-10-31 star: Those left shifts were helpful, Thanks ☺

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What Is H (Hybrid) Language
This section describes design guidelines of H language.
2017-10-15, 100👍, 1💬

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, 4479👍, 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, 5592👍, 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💬

What Is XML Tools Plugin for Notepad++
This section describes XML Tools Plugin, which provides a small set of useful tools for editing XML documents in Notepad++.
2017-10-10, 12966👍, 8💬

💬 2017-10-10 Froes: valeu

💬 2017-09-28 Albi: nice

💬 2017-08-31 Angelo: Thanks for your help to validate the XML

💬 2016-06-27 ssg: Thanks

💬 2015-11-14 Animesh Roy: Thanks for your help to validate the XML

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, 6099👍, 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, 162👍, 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, 355👍, 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, 3876👍, 4💬

💬 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, 23705👍, 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, 1337👍, 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, 145👍, 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.. .

What Is Lorentz Factor?
This section introduces Lorentz Factor, which is the factor used in the time dilation and other formulas in special relativity.
2017-09-24, 419👍, 2💬

💬 2017-09-24 Shuvojit khan: There is anothere equation ΔE=PΔT

💬 2017-04-30 Abhishek Dogra: Thanks

HttpsHello.java - HTTPS Server Test Program
This section provides a tutorial example on how to write a HTTPS server test program, HttpsHello.java. It writes back a simple Web page using the HTTPS protocol.
2017-09-20, 9300👍, 23💬

💬 2017-09-20 Herong: Sandeep, you need to create a server certificate in a .jks file first.

💬 2017-09-08 sandeep kumar shukla: I am getting following error while I run the servier program. java.io.FileNotFoundException: herong.jks (The system cannot find ...

💬 2016-09-21 Test: Hello. How are you?

💬 2016-05-21 Herong: Anthony, this example program is missing a logic for communication start and stop conditions on both server and client sides. Ad...

💬 2016-05-19 Anthony: P.S. If you want to claim copyright then you should give permission to use the fragments in applications, which is the point, I ...

(More comments ...)

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.
2017-09-19, 1486👍, 6💬

💬 2017-09-19 dasu: we r champion

Loading JDBC Driver for MySQL Server
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-5.1.36-bi n.jar.
2017-09-16, 2895👍, 3💬

💬 2017-09-16 vivek sharma: good

💬 2017-01-14 Herong: Thanks for the nice comment! ☺

💬 2017-01-13 jasonts2000: Thank you, this is the best example of how to test a JDBC connection to mysql that I have seen posted

JDBC-ODBC Bridge Driver Features
This section describes Sun's JDBC-ODBC Bridge driver and its features.
2017-09-13, 2205👍, 6💬

💬 2017-09-13 claudio barto: download para testtes

💬 2017-07-14 nks: need jdbc odbc drver

💬 2017-03-02 Herong: rajendra, you may want to download and use JDK 1.7, which will allow you to create MS-Access connection. Or read the comments fr...

💬 2017-02-23 rajendra: hello,, need jdbc odbc bridge driver

💬 2015-11-12 yutt: Hello

__sectionTitle__
中国年历 - 2018 年年历 - 狗年
2017-09-13, 2253👍, 1💬

💬 2017-09-13 tom kelly: thank you

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