Herong's Tutorial Examples

PKI Tutorials - Herong's Tutorial Examples
This tutorial book is a collection of notes and sample codes written by the author while he was learning PKI (Public Key Infrastructure) technologies himself. Topics include Root CA (Certificate Authorities); SSL, TLS, and HTTPS; Server and client authentication processes; Communication data encrypt... 2026-05-06, ≈15🔥, 5💬

💬 2024-11-16 Jay Sarna: Thankyou Dr. Yang. Got it.

💬 2024-11-10 Herong: Hi Jay, I have shared the PDF file with your google account. You should receive a notification with a download link.

💬 2024-10-03 Herong: Hi Jay, I am sorry that you haven't received the PDF file yet. It was sent on Sep 12 to your gmail address. It looks like gmail ...

💬 2024-10-01 Jay Sarna: Request for purchased books ----------------------------- Hello Dr. Yang I hope you are ok. I purchased pdf copy of this book vi...

💬 2016-02-07 john: thanks!

<< < … 10 11 12 13 14 15 16 17 18 19 20 … > >> ∑:9109 Sort:Date

Lucky Wedding Dates: 2011 - 2020
Where to find lucky wedding dates for year 2011 to 2020? Lucky wedding dates for year 2011 to 2020: Lucky Wedding Dates: 2011 - Year of the Rabbit Lucky Wedding Dates: 2012 - Year of the Dragon Lucky Wedding Dates: 2013 - Year of the Snake Lucky Wedding Dates: 2014 - Year of the Horse Lucky Wedding ... 2025-03-11, ∼6762🔥, 1💬

💬 2025-03-11 8*8=64: Jane Jin Lee ‘s real birthday is January 17,1991. And Eric Espana Cuellar’s real birthday is October 2,1991. Their lucky wedding...

"geth --light" - Ethereum Node Light Mode
This section describes 'geth --light' - Ethereum node in light mode 2020-01-28, ∼6761🔥, 2💬

💬 2020-01-28 Herong: Sword, a “light” node only stores block headers. So it can not perform any transactions without the help from a “full” or “fas...

💬 2020-01-23 sword_smith: Can you tell us what a 'fast' node can do that a 'light' node cannot do? Are there any RPC calls that will be slower or disabled...

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 \uXXXX Unicode code sequences, converting \uXXXX sequences back to native encodings. 2026-02-20, ∼6755🔥, 68💬

💬 2026-02-20 eudeael: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2026-01-24 xing: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2025-07-09 Fullty: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2023-11-24 xddd: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

💬 2022-10-03 tag: É=-~-~[],ó=-~É,Ë=É<<É,þ=Ë+~[]; Ì=(ó-ó)[Û=(''+{})[É+ó]+(''+{})[ó-É]+ ([].ó+'')[ó-É]+(!!''+'')[ó]+({}+'')[ ó+ó]+(!''...

(More comments ...)

什么是全病毒疫苗
什么是全病毒疫苗？它的工作机制是什么？全病毒疫苗又可以细分成两个小类：减毒活疫苗（Weakened Virus），灭活疫苗（Inactivated Virus）。 1. 低毒活疫苗 - 减毒活疫苗（低毒活疫苗）是改造后毒性很小，但是仍有活性的新冠病毒。减毒活疫苗的工作机制如下：先将野生新冠病毒的基因进行改造，将其毒性减少到最小，但保全其活性和整体结构。然后将... 2021-03-14, ∼6754🔥, 0💬

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. 2019-01-02, ∼6749🔥, 2💬

💬 2016-10-31 Shivin: haha very good

setMnemonic() - Setting Keyboard Mnemonics on Menu Items
This section provides a tutorial example on how to use setMnemonic() method to associate mnemonics to menu items. Mnemonics allows user to interact with menu items using keys on keyboard. 2023-04-27, ∼6745🔥, 5💬

💬 2023-04-27 a: thanks

💬 2021-02-05 Hailemelekot: good.

💬 2020-11-20 rose: nic

Chinese Horoscopes - The Ox Personality
People born in the year of the ox are steady, plain and quiet. They arrange things system-atically and they are patient and tireless. They are usually ready to take other's advice and act with justice. But it is not easy to change their minds because they are stubborn and sometimes prejudice. Becaus... 2021-08-26, ∼6719🔥, 0💬

Using Certificates in Firefox
This chapter provides tutorial notes and example codes on using certificates in Firefox. Topics include why Web browsers need certificates; viewing the certificate from an https Web server; exporting a certificate from Firefox to a certificate file; importing a CA certificate into Firefox. 2017-08-31, ∼6585🔥, 1💬

💬 2017-08-31 bobby: ok will do

Operations on "byte" Data Type Values
This section provides a tutorial example on how 'byte' values are casted to 'int' values when they are involved in arithmetic, comparison and bitwise operations. 2017-01-21, ∼6574🔥, 2💬

💬 2017-01-21 Herong: Anonymous, Good question. But what do you expect an operation of byte+byte will do?

💬 2017-01-19 Anonymous: Reason for why byte doesn't holds good the + operator directly.

Retrieving BLOB Values with getBlob() Method
This section describes how to retrieve BLOB values with the ResultSet.getBlob() method. 2022-10-18, ∼6569🔥, 0💬

Using openConnection() Method in java.net.URL Class
This section provides a tutorial example on how to use the openConnection() method in the java.net.URL class to perform a GET method on an HTTPS server. Java Secure Socket Extension (JSSE) works quietly behind the java.net.URL class to provide HTTPS support. 2022-07-08, ∼6569🔥, 3💬

💬 2015-08-05 ashkart: doesnt work indeed. Connection type got, connection object got too. But then there is an exception "java.net.ConnectException: C...

💬 2015-08-05 ashkart: sorry, works fine, i forgot i'm behind the proxy...

"Registration" Web Service - WSDL 1.1 and SOAP 1.1
"Registration" is an XML document based Web service for testing purpose only. High level information about this "Registration" Web service: WSDL Document: Registration_WSDL_11_SOAP_11_D ocument.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.1 Transportation: SOAP 1.1 over HTTP Operation Name... 2021-03-21, ∼6557🔥, 0💬

参考文献
有哪些跟新冠病毒有关参考文献，可供深入阅读？下面是跟新冠病毒有关的参考文献：新型冠状病毒（2019-nCoV）结构及感染宿主细胞机制， http://www.joinn-lab.com/news/ 131.html2019 冠状病毒病（COVID-19）， https://bestpractice.bmj.com/t opics/zh-cn/3000201/aetiology新型冠状病毒基因组结构与蛋白功能， http://jmi.fudan.edu.cn/fileup /HTML/11621.htmSpot... 2021-03-07, ∼6523🔥, 0💬

Installing LG USB Device Driver on Windows
This section provides a tutorial example on how to install the LG USB device driver for LG-P925g Android phone on Windows system. This is needed to test your Android application developed on Windows on LG phones via a USB connection. 2016-03-24, ∼6509🔥, 7💬

💬 2016-03-24 vamshi: hi hi hi

💬 2015-08-27 Herong: Renee, did you double-click on the downloaded file to actually install the driver to your computer?

💬 2015-08-26 Renee' Flory: Even after I download the program, the Driver Software Installation box does not come up. Even as the phone receives a charge fr...

Chinese Horoscopes - The Dog
The Dog The Dog is a giving, compassionate personality. He offers kind words, support and advice to friends and family. He is a listener, always available to lend an ear or a shoulder to a friend in need. Often Dogs know more about their friends than their friends know about them or even themselves!... 2021-01-14, ∼6497🔥, 0💬

Chinese Horoscopes: Personality
Chinese Horoscopes - Personality: Chinese Horoscopes - The Mouse/Rat Personality Chinese Horoscopes - The Ox Personality Chinese Horoscopes - The Tiger Personality Chinese Horoscopes - The Rabbit Personality Chinese Horoscopes - The Dragon Personality Chinese Horoscopes - The Snake Personality Chine... 2021-09-12, ∼6485🔥, 0💬

Using Visual Basic with Microsoft Access
This section provides tutorial example on how to add a Visual Basic code in Microsoft Access database to be executed as a macro on database tables. 2023-12-16, ∼6458🔥, 11💬

💬 2023-12-16 v: Thank you!

💬 2022-02-27 bob: this didnt help

💬 2021-10-27 fahis: lets go

💬 2018-08-11 Herong: trina, I will make corrections. Thanks for the comment.

💬 2018-08-11 trina: Why spreading misinformation? Pages like this are confusing for new users, with half-facts and limited instruction. First: Acces...

(More comments ...)

Printing Histogram of Java Object Heap
This section provides a tutorial example on how to print the histogram of Java object heap, a list of different types of objects and their counts and total sizes. 2016-12-14, ∼6450🔥, 2💬

💬 2016-12-14 Herong: Erik, you can look at the Java Management Extensions (JMX) API.

💬 2016-12-11 Erik Ostermueller: is there a java api to access this histogram? Thanks, --Erik

Chinese Horoscopes - The Boar/Pig
The Boar/Pig The Pig is a fun and enlightening personality blessed with patience and understanding. People born under the sign of the Pig enjoy life and all it has to offer, including family and friends. They are honest and thoughtful and expect the same of other people. Pigs can be perceived as obl... 2021-01-14, ∼6419🔥, 0💬

DsaSignatureGenerator.java - Generating DSA Digital Signature
This section provides tutorial example on how to generate a digital signature for a message file with a DSA private key using the SHA1withDSA algorithm. 2017-03-13, ∼6387🔥, 5💬

💬 2017-03-13 dingdong: heheheheehhe

💬 2016-10-15 Herong: Akash, can you check to ensure your key is a DSA key?

💬 2016-10-14 Akash: Exception occurs as follows: java.security.spec.InvalidKeySpecExc eption:Inappropriate key specification what it means? can you ...

"GetStockPrice" Web Service - WSDL 1.1 and SOAP 1.1
"GetStockPrice" is an RPC method based Web service for testing purpose only. High level information about this "GetStockPrice" Web service: WSDL Document: GetStockPrice_WSDL_11_SOAP_11_ RPC.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.1 Transportation: SOAP 1.1 over HTTP Operation Name: Ge... 2021-07-19, ∼6361🔥, 0💬

Derby (Java DB) - Inserting Data Rows to Existing Tables
This section describes how to insert new data rows into Derby (Java DB) database tables through the JDBC driver. 2017-08-05, ∼6361🔥, 2💬

💬 2017-08-05 Herong: Stevoski, can you dump the Exception in the message dialog? It will give some clue on what happened to the execution.

💬 2017-08-03 Stevoski: is there any problem with these lines of code? all i get is invalid entry try{ String mk =jTextField1.getText(); String mn = jTe...

"soap:body" - Binding for SOAP Body
This section describes 'soap:body', a SOAP extension element that specifies how the SOAP Body should be constructed in the SOAP message for an operation input and output. 'literal' means no encoding. 2019-12-23, ∼6333🔥, 2💬

💬 2017-08-16 willy poki: hola

"GetExchangeRate" Web Service - WSDL 1.1 and SOAP 1.2
"GetExchangeRate" is an RPC method based Web service for testing purpose only. High level information about this "GetExchangeRate" Web service: WSDL Document: GetExchangeRate_WSDL_11_SOAP_1 2_RPC.wsdl. WSDL Version: 1.1 WSDL Binding Extension: SOAP 1.2 Transportation: SOAP 1.2 over HTTP Operation Na... 2021-03-11, ∼6321🔥, 0💬

<< < … 10 11 12 13 14 15 16 17 18 19 20 … > >> ∑:9109 Sort:Date