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; ... 2019-01-01, 427👍, 1💬

💬 2019-01-01 Yale: Thank you!

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Examples of Unicode Characters
This chapter provides notes and tutorial examples on the Unicode character set. Topics including introduction of Unicode standard, example characters, history of releases, blocks of code points. 2019-06-24, 2852👍, 6💬

💬 2019-06-24 abcd: It's a rainy night

💬 2017-01-20 anynomous: he ha ha

💬 2017-01-05 danish: that is great

Web Server Log File Samples - IIS and Apache
This section provides a quick introduction of Web server log files with examples of IIS and Apache servers. 2019-06-21, 14435👍, 19💬

💬 2019-06-21 test: test

💬 2019-06-17 eman haggag: where can i got a free log file for a commercial site for my case study in the phd

💬 2019-03-01 ZahiYang: Thanks!

💬 2018-12-07 Naif: Cool

💬 2018-09-20 santi: Thanks!

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Installing JSTL 1.2 API JAR File
This section provides a tutorial example on how to install JSTL 1.2 API JAR file on Tomcat 7 server to support JSTL loop and other tags. 2019-06-21, 129👍, 2💬

💬 2019-06-21 koushik: asc

UTF-32LE Encoding
This section provides a quick introduction of the UTF-32LE (Unicode Transformation Format - 32-bit Big Endian) encoding for Unicode character set. 2019-06-21, 132👍, 3💬

💬 2019-06-21 ggg: test

RFC 1867 - Form-based File Upload in HTML
This section describes the file upload specification, 'RFC 1867 - Form-based File Upload in HTML', proposed by E. Nebel and L. Masinter in 1995. 2019-06-19, 107👍, 1💬

💬 2019-06-19 qh: no co

Downloading and Installing Java DB (Derby)
This section describes how to download and install Java DB (Derby database server) 10.11 - free for evaluation. 2019-06-17, 6326👍, 11💬

💬 2019-06-17 Thet: Thanks

💬 2019-01-25 denzel mana-ay: putangina mo wala akong makita

💬 2018-05-10 Anonomyus: tanks

💬 2016-02-19 Ali: Good App

💬 2016-02-02 kotyba: very nice

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DES Decryption Algorithm
This section describes DES decryption algorithm - identical to the encryption algorithm step by step in the same order, only with the subkeys applied in the reverse order. 2019-06-17, 1681👍, 3💬

💬 2019-06-17 bIPFaV0PLbO9qrDgn+p43A==: bIPFaV0PLbO9qrDgn+p43A==

💬 2017-12-16 Herong: deepak, is this a encrypted comment?

💬 2017-12-11 deepak: 9bc94bbaf6d380eb8f8c6548b2cf6343ccef 5978768e3d69b796d6ef0839172b

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. 2019-06-17, 10217👍, 8💬

💬 2019-06-16 Herong: JOlivas, Thanks for sharing your PHP code examples!

💬 2019-06-16 JOlivas: Example to validate password digest using PHP, assuming that nonce is encoded in base64 we have to decode before to use it. priv...

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

💬 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.

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Running Perl Scripts on Windows Systems
This section provides a tutorial example on how to run Perl scripts with ActivePerl on Windows systems. To make a Perl script file executable, you need to set the script file name extension to '.pl'. 2019-06-17, 155👍, 2💬

💬 2019-06-16 Herong: Kalcifer, yes, there seems to be an problem with Windows 10 on associating default programs for file extensions. Does anyone hav...

💬 2019-06-14 Kalcifer: Something is wrong on Windows 10, Perl script does not recognize command line parameters. Example: D:\>assoc .pl .pl=PerlScript ...

What Is Ethereum
This section describes what is Ethereum. 2019-06-17, 112👍, 2💬

💬 2019-06-16 Herong: Google translation of Shimon's comment: "I'm developing a Cipher factory that takes the data from Redis".

💬 2019-06-12 Shimon: Sto sviluppando una factory di Cipher che prenda i dati sorgenti da Redis

U1DC0: Combining Diacritical Marks Supplement
This section provides a quick summary of the Unicode code point block: 'Combining Diacritical Marks Supplement', which contains 64 code points to represent additional diacritical marks used in conjunction with preceding letters. 2019-06-17, 128👍, 2💬

💬 2019-06-16 Herong: Glyn, Try GNU Unifont. Regular fonts do not support all glyphs in the ""Combining Diacritical Marks Supplement" Unicode block. F...

💬 2019-06-11 Glyn Davies: Which font(s) contain all 63/4 glyphs in this range?

Downloading and Installing JDK 10
This section describes how to download and install JDK 10 on a Windows system. 2019-06-17, 49864👍, 50💬

💬 2019-06-12 sothea: Java is good

💬 2019-05-13 Myo Nyein: don't know

💬 2019-05-13 Myo Nyein: good

💬 2018-12-23 Thin Ga Ha: Very good

💬 2018-10-22 Chirag: Very good

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'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. 2019-06-12, 3438👍, 43💬

💬 2019-06-12 ferru: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-06-05 sdasd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-06-02 Eztha: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-05-30 sas: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-05-29 ad: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(

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Sending and Receiving Cookies
This section provides a tutorial example on how to send cookies to the Web browser and receive them back from the Web browser. 2019-06-10, 116👍, 2💬

Table Column Headers and Footers
This section provides a tutorial example on how to create tables with column headers and footers. table-header and table-footer formatting objects should go before table-body formatting object. 2019-06-06, 126👍, 1💬

💬 2019-06-06 adfasdfas: it doesn't works

Downloading and Installing Visual C# 2010 Express
This section provides a tutorial example on how to download and install Microsoft Visual C# 2010 Express edition on Windows systems. 2019-06-06, 3490👍, 17💬

💬 2019-06-06 mr: very good

💬 2018-12-08 Herong: huchen, Visual C# is not too bad. I need to update this with Visual Studio Express 2017, when I get a chance.

💬 2018-12-06 huchen: i like this

💬 2018-11-08 LIcc: good!try

💬 2018-09-18 fang: i want to study C# , thank you for your support to us this soft

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Enabling Pop-up Blocker
This section provides a tutorial example on how to enable the Pop-up Blocker and change its settings in Internet Explorer 10. 2019-06-05, 726👍, 2💬

💬 2019-06-05 Robert Johnson: Nice

💬 2016-02-17 Stoj: Will give it a try. Thanks.

HelloServer.php - First SOAP Server Application
This section describes a tutorial example of a complete SOAP application with both server and client programs. 2019-06-03, 9842👍, 4💬

💬 2016-02-15 Sanan: Great !

💬 2016-02-03 ciao: yt

"java --list-modules" - Listing Modules in JDK
This section provides a tutorial example on how to use 'java --list-modules' command to list all modules included in the JDK installation. 2019-06-01, 453👍, 4💬

💬 2019-06-01 Herong: Klaus, it's probably getting them from the C:\Program Files\Java\jdk-10.0.1\lib\modules file. But you can also see a list of mod...

💬 2019-05-24 Klaus: Hi, where does this command get the modules? What is the file they lie in? I'm using CentOS

💬 2019-02-19 Herong: Felix, Thanks for pointing out the typo! It will corrected in the next update.

💬 2019-02-14 felix lee: The line "C:\herong>javac --list-modules" should be "C:\herong>java --list-modules". s/javac/java/

Using Microsoft Word as a Unicode Text Editor
This chapter provides notes and tutorial examples on using Microsoft Word as a Unicode text editor. Topics including opening Unicode text files in 3 encodings: UTF-8, UTF-16BE, and UTF-16LE; saving and opening Unicode text files with the BOM character prepended. 2019-06-01, 155👍, 2💬

💬 2019-06-01 Herong: Adriaan, I can only find the peace symbol: ☮ (U+262E).

💬 2019-05-31 Adriaan: I am a pensioner, physically disabled, wheelchair, writing a book, topic: Revolution vs Evolution. I need about 10 unicode symbo...

SoapUI Configuration for Messaging Encryption
This section provides a tutorial example on how to create a configuration entry to support SOAP messag encryption with an X.509 certificate in a JKS (Java KeyStore) file. 2019-06-01, 1791👍, 3💬

💬 2019-06-01 Herong: Bishop, what type of c# script you want to generate?

💬 2019-05-27 bishop: how to generate c# script

💬 2017-04-26 hayley williams: Luisa Fernanda Moya Perez te amo!!

XML Notepad - XML Editor
This chapter provides notes and tutorial examples on XML Notepad. Topics include downloading and installing XML Notepad 2007; converting XML to pretty print format; XSD schema validation; XSLT transformation to HTML documents. 2019-06-01, 153👍, 2💬

💬 2019-06-01 Herong: John, which encoding are you referring to?

💬 2019-05-24 John: Can the encoding be changed?

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. 2019-05-30, 2789👍, 3💬

💬 2019-05-30 neel ganguly: understandable

💬 2017-01-04 Brian: You're a spa

💬 2015-11-18 santhosh: error

Base64 Encoding Algorithm
This section describes the Base64 encoding algorithm with some simple encoding examples. 2019-05-30, 9506👍, 18💬

💬 2019-02-02 Herong: maher, you can decode it manually. For example, the first 4 bytes can be decoded to 3 bytes, 0x9d873d: base64: n, Y, c, 9 decima...

💬 2019-01-30 maher: how can i decode nYc9rsn50kvkUaZ i try many sites that decode base64 no result

💬 2018-01-12 Name: meaningful comments

💬 2017-08-28 bbb: Please write meaningful comments. Thanks! ☺

💬 2017-08-04 goksoy: thanks

(More comments ...)

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