Herong's Tutorial Examples

XML Tutorials - Herong's Tutorial Examples
This XML tutorial book is a collection of notes and sample codes written by the author while he was learning XML himself. Topics include introduction to XML, DTD (Document Type Definition), XSD (XML Schema Definition), XPath (XML Path Language), XSL (Extensible Stylesheet Language), XSLT (XSL Transf... 2025-07-18, ≈13🔥, 3💬

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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. 2022-01-25, ≈18🔥, 18💬

💬 2022-01-23 Herong: SardarJi, what is the final version that worked for you?

💬 2022-01-22 SardarJi: Got it. Just had to re-arrange. Thank you.

💬 2022-01-22 SardarJi: I don't think I am missing any step, but I think the way I am generating the passwordDigest for "iLogDogs", it is not giving the...

💬 2022-01-22 SardarJi: As I continue, I realize another logical flaw. Well, the nonce is already in Base64, so it needs to converted properly. Still, h...

💬 2022-01-22 SardarJi: Found a bug in my logic, when copying, I had to give a starting index. So I updated, but it still gives me incorrect password. i...

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Create Tables with CLOB Columns
This section describes how to create tables with CLOB (LONGTEXT) columns in MySQL server. 2022-10-01, ≈18🔥, 0💬

"openssl pkcs8" Converting Keys to PKCS#8 Format
This section provides a tutorial example on how to convert a private key file from the traditional format into PKCS#8 format using the 'openssl pkcs8' command. Keys can still be encoded with DER or PEM with or without DES encryption in PKCS#8 format. 2022-03-08, ≈18🔥, 2💬

💬 2022-03-08 randomn: random123

💬 2016-04-12 Nishant Desai: Does anyone knows any library by which i can execute openssl pkcs8 -topk8 -in openssl_key.pem -inform pem -out openssl_key_pk8_e...

"base64Binary" Datatype Values and Representations
This section describes the built-in primitive datatype, 'base64Binary' that represents binary data represented in Base64 encoding. Whitespaces are allowed and removed. 2023-11-21, ≈18🔥, 3💬

💬 2023-11-21 dd: NICE

💬 2015-10-01 Herong: Harsh, if you are getting an image as a Base64Binary element in an XML file, you need to save it in a file, run Base64 decode on...

💬 2015-09-30 Harsh: I am getting output in base64binary now i want to print that image to the printer how can i do it?

Oracle Database Express Edition (XE) Installation
This section describes how to download, install, and start Oracle Database Express Edition (XE) on a Windows computer. 2022-10-05, ≈18🔥, 0💬

Lucky Wedding Dates: 2023 - Year of the Rabbit
Where to find lucky wedding dates for year 2023? Lucky Wedding Dates: 2023 - Year of the Rabbit ⇒ Lucky Wedding Dates: 2024 - Year of the Dragon ⇐ Lucky Wedding Dates: 2022 - Year of the Tiger ⇑ Lucky Wedding Dates: 2021 - 2030 ⇑⇑ Wedding Date - The Most Important Date of Your Life 2021-09-12, ≈18🔥, 0💬

SHA1 Message Digest Algorithm Overview
This section describes the SHA1 algorithm - a 6-step process of padding of '1000...', appending message length, preparing 80 process functions, preparing 80 constants, preparing 5 word buffers, processing input in 512 blocks. 2021-10-25, ≈17🔥, 8💬

💬 2021-10-25 kareem: karee

💬 2018-12-28 '">alert(2): '"><script>alert(1)</s cript>

💬 2017-10-26 Herong: Jamal, w(0), ..., w(15) are initial values. w(16), ..., w(79) are used on the left side of the assignment operator to store stor...

💬 2017-10-25 Y. Jamal: Hi, we have w(0), w(1),....w(15) how come in the For loop we have W(t) and t goes from 16 to 79. something is not right.

💬 2017-09-29 Herong: I don't think it takes the length of bits. But I will double check it.

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Certificate in PEM Format
This section describes what is certificate PEM (Privacy Enhanced Mail) format - A format uses PEM idea to convert a certificate in DER format to a message of printable characters. The conversion uses the Base64 encoding. 2023-12-22, ≈17🔥, 8💬

💬 2023-11-13 shady: MIICUTCCAfugAwIBAgIBADANBgkqhkiG9w0B AQQFADBXMQswCQYDVQQGEwJDTjELMAkGA1UECBMCUE4xCzAJBgNVBAcTAkNOMQsw CQYDVQQKEwJPTjELMAkGA1UECxM...

💬 2023-10-16 subbarao: thanks

💬 2021-12-27 Azul: Why do you want me to write things like that?

💬 2020-02-23 Herong: Mark, if your certificate is signed by your own CA, put it on the Apache server together with the CA certificate to test. Other ...

💬 2020-02-17 mark scorfield: Hi i have a pem certificate x509 that i would like to share against my own certificate signing authority , what is the best way ...

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Downloading and Installing Derby (Java DB)
This section describes how to download and install Derby database server 10.17 - free for evaluation. 2019-10-22, ≈17🔥, 12💬

💬 2019-10-22 mahdi: very good

💬 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

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Removing IE Addon "Lync Browser Helper"
This section provides a tutorial example on how to disable and remove 'Lync Browser Helper' addon from Internet Explorer. 2024-03-13, ≈16🔥, 10💬

💬 2024-03-13 chris meyer: embedded windows 7 - want to keep browser compatible links.

💬 2018-10-27 Herong: manoj, what is the URL of the web page?

💬 2018-10-27 manoj kumar: internet explore can not didplay the webpage

💬 2017-06-04 Herong: Tech101, can you try to disable the "asktoolbar" add-on within IE 11? Or try to uninstall "asktoolbar" using Control Panel.

💬 2017-06-02 Tech101: Any idea how to remove the asktoolbar from Windows 7 32 and 64 bit .ie11

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Base32 Encoding Algorithm
This section describes the Base32 encoding algorithm with some simple encoding examples. 2024-01-20, ≈16🔥, 12💬

💬 2024-01-20 Hello World!: super

💬 2023-05-22 dino: helloiamdino

💬 2022-11-11 Herong: Tomi, you can have lowercase, uppercase, or any kind of characters in the input. They all are encoded as binary input data. By d...

💬 2022-11-09 Tomi: One question, can we have lowercase and uppercase letters in both the input and output?

💬 2021-03-20 Yours: Encryption is the method by which information is converted into secret code that hides the information's true meaning. The scien...

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Chinese Festivals
Want to know more about Chinese Festivals? Here are the Chinese Festivals coming soon: More information about Chinese Festivals: New Year's Eve - Last Day of Lunar Year New Year (Spring Festival) - First Day of Lunar Year Lantern Festival - 15th Day of 1st Lunar Month Qingming Festival - 1st Day of ... 2025-09-30, ≈16🔥, 2💬

💬 2025-09-30 Herong: 陶, broken links are fixed now. Thanks!

💬 2025-09-27 陶: Movies music and tv series give 404s. Otherwise interesting site. 谢谢

"Err.Raise()" - Raising Your Own Errors
This section provides a tutorial example on how to raise your own runtime errors with the Err.Raise(number, source, description) method. The error number should be in the range of 0 and 65535. 2023-01-28, ≈16🔥, 4💬

💬 2023-01-28 adheesh: i ment something else

💬 2016-05-07 Herong: Donald, I don't understand your question. More details please.

💬 2016-05-06 Google Chrome 50.0.2661.94 m: Google Chrome Un navigateur Web conçu pour offrir rapidité, simplicité et sécurité Obtenir de l'aide sur l'utilisation de Goog...

💬 2016-05-06 Donald Duck: Please include a list of the different possible values for number. Thanks☺

2024 年年历 - 龙年
中国年历 - 2024 年年历 - 龙年 2024-01-29, ≈16🔥, 2💬

💬 2023-10-02 ljr: Thank you so much for your job. Good luck!

SQL Server CLOB (Character Large Object) - TEXT
This chapter provides tutorial notes on CLOB (Character Large Object) data types, TEXT, with SQL Server JDBC Driver. Topics include creating tables to store CLOB values in SQL Server server; inserting CLOB values with direct SQL INSERT statements, or PreparedStatement with setString(), setCharacterS... 2022-10-01, ≈16🔥, 0💬

"adb push" and "adb pull" Commands
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and from the remote Android emulator or device. 2015-12-17, ≈16🔥, 2💬

💬 2015-12-17 Herong: RevHectorForbes, yes the "adb push" should go first, followed by push-from location and push-to location. I think my examples ar...

💬 2015-12-16 RevHectorForbes: Hey man, this is some way cool technical s**t, but another site (http://www.androidauthority.com/and roid-customization-transfer-...

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. 2022-06-06, ≈15🔥, 12💬

💬 2022-06-06 hello: <script> alert("Hello! I am an alert box!"); </script>

💬 2018-02-24 Herong: hema, values in the pc-2 table are pre-defined by the algorithm. They are not calculated.

💬 2018-02-23 hema: i understood pc-1 table can you pls guide to calculate manually pc-2 table in des algorithm.

💬 2017-10-24 Herong: QuAI, you are right those bits are not used in the Permuted Choice 1 (PC1) table.

💬 2017-10-19 QuAl: And forget about bits 8, 16, ..., 64 of initial кey K! Those bits for parity check only (see FIPS 46-3)

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MySQL Connector/J - Download and Installation
This section describes how to download and install MySQL Connector/J (JDBC driver). 2022-10-01, ≈15🔥, 0💬

-Xss JVM Option for Stack Size
This section describes the -Xss option to specify JVM stack size. Changing stack size can help to estimate frame size. The frame size is 32 bytes for a simple method call. 2019-08-24, ≈15🔥, 1💬

💬 2019-08-24 sksksk: <a href="/1'"><svg/onload=alert( 1)>">click</a>

SslSocketClient.java - SSL Client Socket Example
This section provides a tutorial example on how to write a sample program to create a SSL client socket to connect to a SSL server socket. The connection will fail if the server's certificate is self-signed. 2016-06-10, ≈15🔥, 3💬

"OpenSSL" Generating Certificates in DER and PEM
This section provides a tutorial example on how to generate certificates in DER and PEM formats using 'OpenSSL'. 2023-05-24, ≈15🔥, 4💬

Loading JDBC Driver for MySQL Server
This section describes how to load the MySQL JDBC driver class - mysql-connector-java-xxx-bin.j ar. 2024-08-29, ≈15🔥, 1💬

💬 2024-08-29 bk: bull-kit

💬 2019-04-28 M1001101: Meaningful comments. Thanks!

💬 2018-09-20 raj: hatt budbak aisa kuch nahin hota bakwas hai ye program

💬 2017-09-16 vivek sharma: good

💬 2017-01-14 Herong: Thanks for the nice comment! ☺

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CipherDES.java - A Java Implementation of DES
This section provides a tutorial Java program, CipherDES.java - A Java Implementation of DES encryption and decryption algorithm. 2017-02-16, ≈15🔥, 9💬

💬 2017-02-16 Herong: Andro, I think implementation of DES using String methods will be slower than using byte and int operations.

💬 2017-02-12 Andro: Good done. I have created my own DES with benefits of string methods in Java. My DES receives binary string and key, then cipher...

💬 2016-03-03 Dede: Helps a lot, currently developping a mobile application that has to do with encryption. Thanks

💬 2015-10-16 Herong: Skip, Good luck on your study!

💬 2015-10-15 Skip: I'm taking a graduate course in cryptography and this was extremely helpful for going from DES visual to DES in java. I really a...

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莫德纳新冠疫苗
莫德纳新冠疫苗的结构和工作机制是什么？莫德纳新冠疫苗是由ModernaTX, Inc研发的COVID-19疫苗，代号为mRNA-1273。莫德纳新冠疫苗是一种mRNA疫苗，由两种成分组成：代表新冠病毒的突刺蛋白的mRNA链条，脂质外壳。莫德纳新冠疫苗的工作机制和其它RNA疫苗一样：疫苗颗粒通过肌肉注射进入人体。疫苗的mRNA链条通过其脂质纳米外壳的帮助，融入... 2021-03-07, ≈15🔥, 0💬

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