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; ... 2019-07-06, 852👍, 3💬

💬 2019-07-02 Eleftheria Drosopoulou: Hello Herong, Nice blog! I am editor at Java Code Geeks (www.javacodegeeks.com). We have the JCG program (see www.javacodegeeks....

💬 2019-01-01 Yale: Thank you!

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"superclass access check failed" Class Load Error
This section provides a tutorial example of 'superclass access check failed' class load error. 2019-11-10, 110👍, 1💬

💬 2019-11-10 sargune: asdjkl

'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. 2019-11-10, 4128👍, 59💬

💬 2019-11-10 asd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-11-05 HIHI: Hello world

💬 2019-09-17 d: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-09-15 asd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-09-10 die: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

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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. 2019-11-08, 16512👍, 21💬

💬 2019-11-08 d: gg

💬 2019-11-06 chaitra HK: where can i get a free server log files for a elearning site for my case study in the phd

💬 2019-07-19 Bo: Thanks

💬 2019-06-23 Herong: eman, I don't think any commercial site will provide you their log files, which may have lots of sensitive information.

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

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2020 年年历 - 鼠年
中国年历 - 2020 年年历 - 鼠年 2019-11-08, 1706👍, 2💬

💬 2019-11-08 Chong: nice

💬 2019-09-09 robby: yooo

Escaping 'script' Tags in String Literials
This section provides a tutorial example on how to use escape character in 'script' tags to prevent browser prematurely end embedded JavaScript code. 2019-11-07, 1317👍, 3💬

💬 2019-11-07 ram: alert(99)

💬 2018-03-27 asads: <script>alert(99)</scr ipt>

💬 2017-07-05 123: <script>Hellow</script >

Downloading Apache 2.2.4 Binary for Windows
This section describes how to download Apache 2.2.4 binary distribution for Windows. 2019-11-07, 216👍, 4💬

💬 2019-11-07 asd: asdasd

UTF-8 Encoding
This section provides a quick introduction of the UTF-8 (Unicode Transformation Format - 8-bit) encoding for Unicode character set. It uses 1, 2, 3, or 4 bytes for each character. 2019-11-06, 537👍, 2💬

💬 2019-11-06 mathi: city

💬 2016-12-30 Rehman: Welcome

PDF Printing Version
Information on how to obtain the PDF version of this book for printing. 2019-11-05, 1181👍, 5💬

💬 2019-11-05 Mohammad Yasin: xml pdf

💬 2016-12-09 jaggu: xml pdf

💬 2016-01-13 Mo: Awesome

💬 2015-09-24 omid: I need t

💬 2015-08-12 ab: -

Chinese Web Pages with UTF-8 Encoding
This section describes how to create a Chinese HTML document in UTF-8 encoding and publish it on the Apache server. 2019-11-04, 16628👍, 4💬

💬 2019-11-04 Thainá Rodrigues: This worked out really nicely. Thank you very much for the info.

💬 2019-09-03 -连衣裙: -连衣裙

💬 2015-11-17 Herong: James, display sizes of Chinese characters in Chrome are controlled by CSS font-size properties associated with each HTML elemen...

💬 2015-11-16 james: Hi, At Windows 10, I use notepad++, the Chinese characters typed shows different sizes in title, a, p... However the result from...

'native2ascii' - Encoding Converter Command and Options
This section describes the native-to-ASCII encoding converter 'native2ascii' and its options. Non-ASCII characters in a Java source file must be converted into \udddd Unicode sequences before giving it to the Java compiler. 2019-11-04, 1941👍, 13💬

💬 2019-11-04 Plop: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-03-23 cc: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-03-17 jack: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2019-01-19 bb: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2018-10-24 gggg: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

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Downloading and Installing JDK 1.8.0 on Windows
This section provides a tutorial example on how to download and install JDK 1.8.0 (Java SE 8), which contains the HotSpot 1.8 JVM, on a Windows XP system. A simple Java program was entered, compiled, and executed with the new JDK installation. 2019-11-03, 59503👍, 50💬

💬 2019-11-03 amirer: your app is okay.

💬 2019-11-03 amirer: Thanks

💬 2019-09-17 hlew: thx

💬 2019-09-14 Ji: Thanks

💬 2019-09-09 asraful: best java

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"services.msc" - Program Services Console
This section provides a quick description of the Services Console and a tutorial example on how to list all program services. 2019-10-29, 48188👍, 11💬

💬 2019-10-29 Stan: How can I fix print spooler service is not running

💬 2017-12-11 Herong: Micheal, make sure the Bluetooth is turned on. Check the Wi-Fi/Bluetooth switch on your computer.

💬 2017-12-10 Micheal: please i typed the service.msc and started the bluetooth it was off but i still cant find bluetooth settings when i search on my...

💬 2017-10-23 sunil dhakad: my windo are not update

💬 2015-12-10 Herong: Totally agree. Disable "Print Spooler", if you are not using any printers ☺

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About HerongYang.com
This web site provides a collection of about 40 free tutorial books on programming languages, Web applications, database, Chinese language and other topics. See the site map for a complete list of all tutorial books. 2019-10-26, 29491👍, 16💬

💬 2019-10-26 Kevin Moore: Hello, This is Kevin, Marketing Manager at a Fintech company. Actually, I'm here for advertisement inquiries with your website. ...

💬 2018-05-14 Claire Webcontentzone: Hi team at herongyang. How are you? Do you offer article placements on your site: herongyang. - We would get the article written...

💬 2017-07-14 Ghost: GJ

💬 2016-09-20 Keyur: The XMLPad tool is amazing. Excellent work. Thanks so much

💬 2016-09-12 Ankit Mehta: Hi, Just following up on my email sent last week. If you have any interest in selling your website, please let me know and I wou...

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Chinese Calendar Program in java
This section provides a Chinese calendar program in Java language using using astronomical data obtained from eleworld.com. 2019-10-25, 1976👍, 6💬

💬 2019-10-25 Herong: Gary, You need take two bytes from the array to be used for a single year. In you example, you need take 0xad and 0x08 to genera...

💬 2019-10-24 Gary: I'm trying to understand the Chinese Months array, but I still have not figured it out. Using the hex value 0xad as an example, ...

💬 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?

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Downloading and Installing GNU Unifont
A tutorial example is provided on how to download and install GNU Unifont font family on Windows 7 systems. 2019-10-23, 1365👍, 4💬

💬 2019-10-23 Sajjad Amin: thank you

💬 2019-07-28 dipen: thank you.

💬 2015-12-06 Herong: D, maybe you can start with What Is Unicode?.

💬 2015-12-05 d gayen: i want to understand what is unicode

Downloading and Installing Java DB (Derby)
This section describes how to download and install Java DB (Derby database server) 10.11 - free for evaluation. 2019-10-22, 7717👍, 14💬

💬 2019-10-22 mahdi: very good

💬 2019-10-17 kimSky: kabobohan taglay. wala naman kahit full client na download

💬 2019-06-17 Thet: Thanks

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

💬 2018-05-10 Anonomyus: tanks

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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. 2019-10-22, 27070👍, 17💬

💬 2018-08-29 Shawn: Thanks for the detailed explanation.

💬 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

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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. 2019-10-22, 268👍, 3💬

💬 2019-06-21 koushik: asc

JDBC-ODBC Bridge Driver - sun.jdbc.odbc.JdbcOdbcDriver
This chapter provides tutorial notes on the JDBC-ODBC Bridge driver produced by Sun and DataDirect. Topics include loading JDBC-ODBC Bridge driver; creating a DSN (Data Source Name) with a ODBC driver; Connecting to SQL Server with JDBC-ODBC Bridge. 2019-10-22, 20413👍, 26💬

💬 2019-10-22 NELSON E: EXCELENTE SOFTWARE

💬 2017-09-12 tilahun bekele: good site

💬 2017-08-27 Herong: Can you try to the 32-bit 1.7JDK?

💬 2017-08-24 jaime: Hi I have created a DSN and the test is Ok. I have this program: import java.sql.*; public class OdbcDsnConnection { public stat...

💬 2017-06-27 Herong: Shubhankar, you can download JDK 1.7. It has JDBC-ODBC bridge included.

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Audio CD (Compact Disc Digital Audio or CD-DA) Players
This chapter provides notes and tutorials on playing audio CD (Compact Disc Digital Audio or CD-DA). Topics include audio CD player devices, audio CD player software, like Windows Media Player. 2019-10-16, 140👍, 2💬

💬 2019-10-10 Herong: Patricia, you can just insert the CD into the computer. It will play automatically.

💬 2019-10-07 Patricia: How do I get the CD to play. I know nothing about a ripper. I need to listen to the Spanish lessons.

Base32 Encoding Algorithm
This section describes the Base32 encoding algorithm with some simple encoding examples. 2019-10-15, 6637👍, 4💬

💬 2019-10-15 felipe: um teste de mensagem

💬 2016-08-31 as: ok as

💬 2016-02-15 juraj: Dobry den Slovesk

Configuring PHP OpenSSL on Windows
This section provides a tutorial example on how to install and configure the PHP OpenSSL module on Windows systems. PHP OpenSSL is provided as a DLL file called php_openssl.dll. 2019-10-09, 35035👍, 11💬

💬 2019-10-09 Michael: Thank you! This helped me enable SSL on my PHP install

💬 2017-01-20 Robert: Thanks a lot!

💬 2016-08-30 Herong: C-Doggy, Looks your is configured correctly to run PHP scripts. The error is caused by a undeclared variable "html". You fix it ...

💬 2016-08-23 C-Doggy: I did that and I got PHP Notice: Undefined variable: html in C:\inetpub\wwwroot\myfilesearch.org- master\myfilesearch.org-master\...

💬 2016-06-10 Herong: Azaz, great idea! Thanks for sharing the information.

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Connect MetaMask to Local "geth" Node
This section describes how to connect MetaMask to the 'geth' on the local host. 2019-10-05, 303👍, 2💬

💬 2019-10-05 Herong: I am in the process of rebuild my local Ethereum node. Can anyone provide help to kbhar?

💬 2019-09-30 kbhar: I am not able to connect to metamask after selecting the localhost 8545 network. I am getting "something went wrong" error. Can ...

"OpenSSL" Viewing Certificates in DER and PEM
This section provides a tutorial example on how to use 'OpenSSL' to view certificates in DER and PEM formats generated by the 'keytool -exportcert' command. 2019-10-05, 37364👍, 7💬

💬 2019-10-05 Herong: Fatin, what are you getting from the output?

💬 2019-09-27 Fatin: Please help me, i cannot get it that way

💬 2017-05-27 Herong: Yes, asn1parse is a nice tool. I will add some examples later.

💬 2017-05-23 Herong: Poshak, do you need any help with your certificate?

💬 2017-05-23 Derek Callaway: openssl asn1parse is also useful for displaying certificate contents...

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