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💬

💬 2022-07-22 Helen: This is very helpful!

💬 2016-05-07 mehari: this tutorials helps many trainers through out the world, thanks!

💬 2015-07-19 Jay: What about JSON format?

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Running Android SDK Manager R24
This section provides a tutorial example on how to run Android SDK Manager R24 to see what additional tools and libraries that are available from the Android developer center. 2022-02-25, ∼398🔥, 0💬

Verifying Android Platform Installation
This section provides a tutorial example on how to verify Android platform installation using the 'android' tool provided in the Android SDK starter package. 2022-02-24, ∼305🔥, 0💬

Android Emulator for Google Watch
This section provides a tutorial example on how to create and run an Android Emulator for Google watches. 2022-02-24, ∼530🔥, 0💬

Creating Android Virtual Device (AVD)
This section provides a tutorial example on how to create an Android Virtual Device (AVD), which is an emulator configuration that lets you to model an actual Android device. 2022-02-22, ∼379🔥, 0💬

"Body" Region Margin and "Side" Region Extent
This section provides tutorial example to demonstrate how the region-before extent overlaps with the top margin of the region-body. It can also be extended into and hidden behind the content area of the region-body. 2022-02-19, ∼699🔥, 2💬

💬 2022-02-19 Herong: Craig, Thanks for pointing out the error in the source code. Yes, all " " should be replaced by their XML entity names, if they ...

💬 2022-02-19 Craig: With FOP Version 2.7, it was necessary to remove the "less than" and "greater than" symbols from the 'static-content" sections t...

blockchain.com - View Address
This section describes how to view a bitcoin account address on blockchain.com. 2022-01-31, ∼515🔥, 2💬

💬 2022-01-31 david: Trading is a good thing. i lost a lot before I got to where I am today. if you need assistance on how to trade and recover the m...

💬 2021-08-13 Adri: There is massive fraud on my Nano S device, after I hired a "trust worthy" money retriever. Nobody contacts me, reported everywh...

Functionalities of Bitcoin Wallet
This section describes functionalities of a Bitcoin Wallet. 2022-01-31, ∼229🔥, 1💬

List of Cryptocurrencies
This section describes the market price value of Bitcoin. 2022-01-31, ∼219🔥, 1💬

Bitcoin Units
This section describes units of Bitcoin. 2022-01-30, ∼395🔥, 2💬

Exporting Root Certificate to File from macOS
This section provides a tutorial example on how to export a trusted root CA certificate pre-installed on macOS computer into a certificate file in binary .cer format. 2022-01-30, ∼2571🔥, 2💬

💬 2022-01-30 Herong: Johan, Thank you so much for sharing this!

💬 2022-01-29 Johan: A better way to do the export programatically and avoid GUI clicking is to use the "security" program and export the root- and s...

"sc.exe query/start/stop" - Query, Start or Stop Services
This section provides a tutorial example on how to query, start, or stop a service with 'sc.exe' Service Controller command tool. 2022-01-30, ∼1457🔥, 2💬

💬 2022-01-30 Herong: applebird, you need to have admin privileges. So start your command window as Administrator.

💬 2022-01-27 applebird: i am looking to stop a on going kernel but using your method it gives me "[SC] StartService: OpenService FAILED 5: Access is den...

FORTRAN 77 - Example Program Code
This section provides a simple example program code of FORTRAN 77 language. 2022-01-30, ∼2515🔥, 7💬

💬 2022-01-30 Herong: Jeff, you are right. That's a big typo. It will be corrected.

💬 2022-01-26 Jeff Payne: Write(6, 601)should be write(6,20). 20 is the Format statement to print the sides and area. I used to program in Fortran for ove...

💬 2020-04-06 Herong: I think WRITE(9,*) will direct output to the printer.

💬 2020-03-25 Bruce Little manager@rec-land.co: What is the syntax to write to the default printer or LPT1,or PRN in win 10 32 bit?

💬 2017-08-03 Herong: Can someone with a FORTRAN compiler to verify this? Thanks.

(More comments ...)

Bitpedia Implementation of Base32 in Java
This section provides a Java implementation of the Base32 encoding algorithm by the Bitcollider project. 2022-01-27, ∼2835🔥, 3💬

💬 2016-05-21 Herong: Phil, byte[i] is actually a signed integer stored in 8-bit format. Statement like below is to convert byte[i] back as a unsigned...

💬 2016-05-18 phil.o: Thanks a lot for this implementation. I just wonder something: as byte is unsigned, would not (bytes[i] >= 0) ? always evaluate ...

File_Input_Output_Test.php - File Input/Output Examples
This section provides a tutorial example script on how to use file input and output functions like fopen(), fread(), fwrite(), and fclose(). The example script copies any file in binary mode. 2022-01-26, ∼600🔥, 4💬

💬 2022-01-26 david: it's good

Create ZIP Archive for Download
This section provides a tutorial example on how to create a ZIP archive in a temporary file with dymanic data and send it to Web browser as a download using the ZipArchive class. 2022-01-25, ∼100🔥, 1💬

Controlled Supply Rule - Total of 21M BTC
This section describes what is the Bitcoin Controlled Supply Rule - There will be only 21M BTC in total. 2022-01-25, ∼261🔥, 1💬

Objects with Indexed Properties
This section provides a quick description of indexed properties and indexed methods. A tutorial example is provided on how to create and access indexed properties and indexed methods. 2022-01-25, ∼1422🔥, 3💬

💬 2022-01-25 Herong: tireminnanzi, which constructor?

💬 2022-01-24 tireminnanzi: what about if you use a constructor? Does it still work?

💬 2020-05-24 Royce Aquino: Love is life, I'm here to just find why myPlaylist[0] returns undefined in my computed function even though it has a value in th...

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...

(More comments ...)

XSLTransformer.java - A Simple XSLT Transformation Program
This section provides a tutorial example on how to use the XSLT implementation in JDK 1.4 to write a simple XSLT transformation Java program. 2022-01-24, ∼1000🔥, 2💬

GetCitiesByCountry - Usage Description
This section describes the free Web service GetCitiesByCountry provided by WebserviceX.NET. GetCitiesByCountry allows you to retrieve all cities for any given country or territory. 2022-01-23, ∼5041🔥, 4💬

💬 2016-01-16 Egypt: Thanks

💬 2015-11-10 Juan: United States

Complete Guide to Chinese Wedding
Chinese wedding culture is a vital part of Chinese tradition. Many rituals and customs have been lost in course of history, but many are observed even today. It is practiced in honor of family value and respect to committed relationship, the holly marriage. We offer this printer-friendly version of ... 2022-01-23, ∼6524🔥, 1💬

Measuring Speed of Light - Fizeau's Method
This section describes the method used by Armand Fizeau to measure the speed of light using using a rotating toothed wheel and a mirror. 2022-01-22, ∼1497🔥, 2💬

💬 2022-01-22 nina: just wanted to do this math question

Adding MP3 Folder to Windows Media Player Library
This section describes how to add MP3 folder album to Windows Media Player's library. 2022-01-19, ∼1194🔥, 4💬

💬 2022-01-16 Herong: Paul, "Add to Library" is located on the left bottom corner of the window as shown in the picture.

💬 2022-01-15 Paul: There is no 'Add to Library' menu, unfortunately.

💬 2021-09-14 Herong: Alison, "ID3v2 Album tag" in MP3 file provides additional information about the song. It's an optional step. You can burn a song...

💬 2021-09-13 Alison M: What is the "ID3v2 Album tag"? I just want to tell WMP where I've put the mp3 files I want to burn to CD.

What Is PEM (Privacy Enhanced Mail) Encoding?
This section describes the PEM (Privacy Enhanced Mail) Encoding - An encoding schema defined in RFC 1421-1424, 1993, specification to encode an email with encryptions into a text message of printable characters. 2022-01-19, ∼1011🔥, 2💬

💬 2022-01-16 Herong: itef.org has changed their protocol to HTTPS. I will update their links in next revision. Thanks.

💬 2022-01-15 B: Links to RFC 1421, 1422, 1423, 1424 are all 404

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