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SimpleStringBuffer - My Implementation of String Buffer
This section provides a tutorial example on how to implement a simple string buffer class similar to the StringBuffer class included in the java.lang package.
2016-11-15, 129👍, 1💬

Including VBScript Codes with HTML "script" Tags
This section provides a quick description of how to include VBScript codes into HTML documents with 'script' tags. A tutorial example is provided on calling a function defined in the 'head' tag.
2016-11-14, 338👍, 2💬

Measuring Speed of Light - Roemer's Method
This section describes the method used by Ole Roemer to measure the speed of light using changes of observed eclipse periods of Jupiter's moon.
2016-11-14, 146👍, 1💬

JLabel - Swing Label Class
This chapter provides tutorial notes and example codes on JLabel class. Topics include creating label components with the javax.swing.JLabel class; creating labels with Chinese characters.
2016-11-14, 110👍, 1💬

Perl Crypt::Blowfish Module
Tutorial notes and example codes on Crypt::Blowfish Perl Module. Topics include introduction of Crypt::Blowfish; Download and installation; Behavior tests; Test vector verification; Building 128-bit key test vectors.
2016-11-14, 120👍, 1💬

💬 2016-11-14 martin: expretion of some one to the things done on him

Drawing Graphics - Using paint() on Frame
This section provides a tutorial example on how to override the paint() method in the javax.swing.JFrame class to draw graphics (a rectangle) on the frame window. This solution is not recommended.
2016-11-12, 854👍, 2💬

💬 2016-11-12 SuperSasRabushna: I'm super saiyan!!! rabushna!

💬 2016-11-12 Ciciozxz: I think you are the best eu!

DES Encryption Operation Modes
This chapter provides tutorial examples and notes about DES encryption operation modes. Topics include how different blocks of plaintext can be coupled together to improve the strength of the DES encryption algorithm; ECB (Electronic CodeBook), CBC (Cipher Block Chaining), CFB (Cipher FeedBack), and...
2016-11-12, 156👍, 1💬

💬 2016-11-12 kazim: very good webpage

'native2ascii' - Native-to-ASCII Encoding Converter
This chapter provides tutorial notes on the native-to-ASCII encoding converter 'native2ascii'. Topics include 'native2ascii' command options, default encoding CP1252 used by 'javac', converting UTF-8 characters into \udddd Unicode code sequences, converting \udddd sequences back to native encodings.
2016-11-11, 798👍, 5💬

💬 2016-11-11 Herong: Venca, what are you trying to post here?

💬 2016-11-10 venca: Vypou\xc3\x85\xc2\xa1t\xc3\x84\xc2\x 9bn\xc3\x83\xc2\xadbal\xc3\x83\xc2\xb3nk\xc3\x85 \xc2\xaf s p\xc3\x85\xc2\x99\xc3\x83\xc2\x...

💬 2015-12-24 lo: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ó+ó ]+(!'...

💬 2015-08-07 Herong: Looks like someone is testing a regular expression for validating a email address...

💬 2015-08-06 gasdgsda: ^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a -z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z 0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0 -9](?:[a-z0-9-]*[a-z...

JSP Java Tag Interface
This chapter provides tutorial notes and example codes on JSP Java tag interface. Topics include the javax.servlet.jsp.tagext package; JspTag, SimpleTag and IterationTag interfaces; SimpleSupport and TagSupport classes; implementing IterationTag interface.
2016-11-10, 113👍, 1💬

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.
2016-11-10, 5287👍, 8💬

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

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

💬 2015-10-24 Herong: Yes. The world is wonderful and beautiful! :-)

💬 2015-10-19 jaffa: beautiful

💬 2015-10-19 pakodi: wonderful

(More comments ...)

"INSERT INTO" Statements
This section describes how to insert data rows with INSERT INTO statements.
2016-11-08, 138👍, 1💬

Nested Tags Example - Break Tag for Loops
This section provides a tutorial example on how to create 2 tag classes to a support nested custom tags in JSP pages. As an example, a Loop tag and a Break tag is created to work together.
2016-11-08, 122👍, 1💬

SQLCMD SQL Server Command Line Tool
This section describes how to SQL Server command line tool - SQLCMD.
2016-11-08, 241👍, 1💬

💬 2016-11-08 Vineesh: SELECT DB_NAME(); GO

SHA1 Mesasge Digest Algorithm
This chapter provides tutorial notes and example codes on the SHA1 message digest algorithm. Topics include SHA1 algorithm overview; using SHA1 in Java, PHP, and Perl.
2016-11-05, 1031👍, 5💬

💬 2015-10-14 Herong: Yojana, information on key generation of Blowfish Algorithm can be found in Key Schedule (Sub-Keys Generation) Algorithm tutoria...

💬 2015-10-13 Yojana Yadav: Plz send me the detail of key generation of Blowfish Algorithm

💬 2013-06-28 Herong: Abbas, You are welcome!

💬 2013-06-26 abbas: thank you for sha-1 and it's so helpful

JDBC-ODBC - Connecting to MS Access Database Files
This section describes how to connect to a SQL Server 2005 through DSN with JDBC-ODBC Bridge.
2016-11-04, 6446👍, 7💬

💬 2016-11-04 ahmed: thanks

💬 2016-11-04 ahmed: sank you

💬 2015-11-06 Herong: Vous êtes bienvenue! ☺

💬 2015-11-06 azedine: merci pour votre aide

Encryption using RSA Public Key with SoapUI
This section provides a tutorial example on how to encryption the SOAP body element content with a RSA public key certificate using SoapUI.
2016-11-04, 602👍, 3💬

💬 2016-11-04 kalasba: hi, please can you share online training & video ?

💬 2016-07-14 Herong: Hi Sejai, please share SoapUI tutorials here, not ads.Thanks.

💬 2016-07-09 sejal: hi,we provide online training & video tutorial for soapui for free videos refer [URL removed]

Passing Values between JSP Pages
This section provides a tutorial example on how to use different ways to pass values between JSP pages: putting values in 'session' or 'application' objects, or putting values at the end of redirect URL.
2016-11-03, 424👍, 2💬

💬 2016-11-03 ikuu: ytgyguygyg

Main Features of JSP 2.1
This section describes main features of JSP 2.1 including scripting elements, built-in objects, directives, JavaBean objects, JSTL, EL and standard actions.
2016-11-02, 454👍, 2💬

💬 2016-04-17 arun: i'm arun

"Property Let/Set/Get" Procedures
This section provides a tutorial example on how to use 'Property Let/Set/Get' procedure to define public properties.
2016-11-02, 4991👍, 4💬

💬 2016-11-02 Herong: Christian, RegExp is a built-in class in VSScript. You can use it anywhere you want to. In this tutorial, RegExp is used to crea...

💬 2016-10-31 Christian: I don't really get it. Wghere dies the class RegExp coem from and why does the script know how to handle it?

💬 2016-05-27 Herong: Per, you are correct. I have fixed the mistakes. Thanks for the feedback.

💬 2016-05-04 Per: You have incorrectly pasted the line: "Here is how a Property Let statement should used for all the get/let/set sections

insertRow() - Inserting New Rows through ResultSet Objects
This section describes how to insert rows into target tables through ResultSet objects.
2016-11-01, 211👍, 1💬

First 8336 Hex Digits of PI
This section provides first 8336 hex digits of constant PI, 3.1415927..., needed for Blowfish encryption algorithm.
2016-10-31, 2885👍, 8💬

💬 2016-10-31 Andres: cool

💬 2016-04-07 Tamas Losonczi: This is great

💬 2016-03-15 Bogdan: Thanks!

💬 2015-12-03 Herong: Sadi, we only need (18*32+4*256*32)/4=8336 hex digits for the Blowfish encryption algorithm. I have typos in my tutorials. I wil...

💬 2015-12-02 Sadi: Sorry, I meant "8336 and not 8366"... Also would you like to compare these with "http://hexpi.sourceforge.net/" as there are som...

(More comments ...)

Lock Types and Lock Levels
This section describes 2 types of locks: Read Lock (Shared Lock) and Write Lock (Exclusive Lock), and 3 levels of locks: Table Lock, Row Lock, and Column Lock.
2016-10-31, 339👍, 1💬

💬 2016-10-31 Shivin: haha very good

Activity Diagram - Accept Event Notation
This section describes the Accept Event Notation used in a UML Activity Diagram. An Accept Event Notation represents an action that waits for an event to arrive from outside and processes it.
2016-10-26, 200👍, 1💬

💬 2016-10-26 at_svg: useful

Removing IE Addon "PDF Link Helper"
This section provides a tutorial example on how to disable and remove 'PDF Link Helper' addon from Internet Explorer.
2016-10-25, 385👍, 2💬

💬 2016-10-25 Herong: Paul, can you share your solution?

💬 2016-10-24 Paul-H: This is stupid solution.

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