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, 420👍, 1💬

💬 2019-01-01 Yale: Thank you!

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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, 105👍, 1💬

💬 2019-06-19 qh: no co

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. 2019-06-17, 14380👍, 18💬

💬 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!

💬 2018-09-19 Natapatchara: Thanks

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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, 6306👍, 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, 1664👍, 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, 10193👍, 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, 137👍, 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, 124👍, 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, 49800👍, 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, 3430👍, 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, 124👍, 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, 3480👍, 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, 719👍, 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, 9817👍, 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, 433👍, 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, 145👍, 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, 1789👍, 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, 148👍, 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, 2778👍, 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, 9492👍, 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

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UTF-16LE Encoding
This section provides a quick introduction of the UTF-16LE (Unicode Transformation Format - 16-bit Little Endian) encoding for Unicode character set. UTF-16LE is a variation of UTF-16. 2019-05-29, 6594👍, 5💬

💬 2019-04-28 Herong: The last part is needed. Thanks.

💬 2019-04-21 小胖: 最后一段中的"the ZERO WIDTH NO-BREAK SPACE, U+FEFF, character"，是不是不用写呢？

💬 2018-12-29 test: thank

💬 2016-12-21 task go: thank you

Oracle JDBC Drivers Overview
This section provides overview information on Oracle JDBC drivers. 2019-05-28, 102👍, 1💬

Removing IE Addon "Skype Browser Helper"
This section provides a tutorial example on how to disable and remove 'Skype Browser Helper' addon from Internet Explorer. 2019-05-27, 5297👍, 7💬

💬 2019-05-27 Daniel Parker: Hi Herongyang.com, How are you doing today? I'm sure you have been reached regarding this before but our value proposition is ve...

💬 2018-05-07 Daniel Parker: Hi Herongyang.com, How are you doing today? I'm sure you have been contacted regarding this before but our value proposition is ...

💬 2017-07-15 Herong: Thomas, "Skype Browser Helper" add-on is part of the "Skype Click to Call" installed program. So uninstall "Skype Click to Call"...

💬 2017-07-14 Thomas: I also notice that these programs DO NOT APPEAR under Windows Programs and Features. Thus, your suggestion to go there and remov...

💬 2017-07-14 Thomas: Firstly, you mention how to disable the add-on, NOT how to REMOVE IT. Secondly, why are you talking about PDF Link Helper at all...

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