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, ≈13🔥, 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!

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PKCS#8/X.509 Private/Public Encoding Standards
This chapter provides tutorial notes and example codes on PKCS#8 and X.509 key encoding standards. Topics include PKCS#8 standard for private key encoding; X.509 standard for public key encoding; PKCS8EncodedKeySpec and X509EncodedKeySpec classes to decode encoded keys; JcaKeyFactoryTest.java test p... 2022-09-26, ∼364🔥, 3💬

💬 2022-09-26 مسعود منجیزی: hi pls send me that software thanks

💬 2022-09-26 مسعود منجیزی: با سلام لظفا این برنامه را برای من ارسال کنید متشکرم

💬 2022-09-26 masoud monjezi: hi i need that software ols send me ser thanks

isSelected() - Getting State of Check Box
This section provides a tutorial example on how to use the isSelected() method to know the state of a check box. 2022-09-18, ∼1279🔥, 4💬

💬 2020-04-13 Hisham: Thank you very much.

Deprecated: What Is Ethereum Testnet: Ropsten Network
This section describes what is Ethereum Testnet: Ropsten Network. 2022-09-14, ∼2458🔥, 6💬

💬 2022-09-09 Herong: Mango, do you have the exchange wallet address? We can find and review the transaction if you provide address.

💬 2022-09-08 Mango: I transferred 8.26 etherum to an exchange through rospten testnet but till now the transfer is successful but I have not receive...

💬 2022-07-08 Herong: Jay, there is no way to convert.

💬 2022-07-08 Jay: Can I convert Ropsten Eth to Bitcoin on my wallet

💬 2022-05-26 Rhino: I have been contacted by a person claiming to be able to "wave" test eth to other walkets,. that "wave" it to other wallets........

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Running Perl Scripts on Linux Systems
This section provides a tutorial example on how to run Perl scripts on Linux systems. To make a Perl script file executable, you need to add '#!/usr/bin/perl' to the beginning of the script. 2022-09-14, ≈58🔥, 10💬

💬 2022-09-09 Herong: Bharathi, there is no upload option in this tutorial. Can you provide more details?

💬 2022-09-05 Bharathi: I have perl script locally but unable to run this with file upload option. How to do it?

💬 2021-09-09 Meaningful comment: Is this a meaningful comment?

💬 2017-10-24 Herong: sdre, what is the issue are you referring to?

💬 2017-10-23 sdre: That's an issue with the Perl script, not with running the script itself, and it deserves another question (not here, on Stack O...

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Bitcoin Tutorials - Herong's Tutorial Notes
This book is a collection of tutorial examples on Bitcoin and blockchain. Topics include Blockchain, Bitcoin, Cryptocurrency, Merkle Tree, Mining, SHA256, Wallet. Key sections include: What is Bitcoin, What is blockchain, Bitcoin market value, Browsing Bitcoin data blocks on blockchain.com, Browsing... 2022-09-14, ∼6559🔥, 9💬

💬 2021-06-21 Ashish: thank

💬 2018-03-07 Neil Shrestha-Birtch: Awesome stuff again! I want to build my skills to be a Core dev one day!

💬 2018-02-16 Cindy: Very good for beginners!

Android Tutorials - Herong's Tutorial Examples
his book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include Installing of Android SDK R24 on Windows, Creating and running Android emulators, Developing First Android Application - HelloAndroid, Creating Android Project with 'android'... 2022-09-14, ∼9845🔥, 5💬

Escaping 'script' Tags in String Literals
This section provides a tutorial example on how to use escape character in 'script' tags to prevent browser prematurely end embedded JavaScript code. 2022-09-08, ∼7758🔥, 13💬

💬 2021-05-05 2: alert("hola");

💬 2021-04-27 dasdasddad: alert("geiaa");

💬 2021-01-19 111: <script>alert("hola");&lt ;/script>

💬 2021-01-04 ddd: <script>hi()</script>

💬 2020-12-17 sasds: <script>alert("hola");&lt ;/script>

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10E60: Rumi Numeral Symbols
This section provides a quick summary of the Unicode code point block: 'Rumi Numeral Symbols', which contains 32 code points to represent Rumi numeral symbols used in the Arabic language. 2022-09-08, ∼101🔥, 4💬

1937 - He Ri Jun Zai Lai (ä½•æ—¥å›å†æ¥) - When Will You Come Back Again
He Ri Jun Zai Lai (何日君再来) - When Will You Come Back Again, lyrics written by Huang Jiamo (黄嘉谟) in 1937. Music was composed by Liu Xuean (刘雪庵) 2022-09-07, ∼1469🔥, 2💬

💬 2017-08-27 Zech: A very nice song. Thank you.

setEditable() - Use Combo Box as Text Field
This section provides a tutorial example on how to call the setEditable(true) method to use a combo box as a dropdown list and text field at the same time. 2022-09-07, ∼962🔥, 1💬

Crypt::ECB Encryption with No Padding
A tutorial example is provided to show how to use Crypt::ECB to perform encryption with no padding. The plaintext must be multiples of 8-byte blocks. 2022-09-07, ∼341🔥, 1💬

Bitcoin Core Daemon
This section describes what is Bitcoin Core Daemon. 2022-08-29, ∼777🔥, 1💬

💬 2022-08-29 edward: more info arent there more options? thanks

What Is XML Tools Plugin for Notepad++
This section describes XML Tools Plugin, which provides a small set of useful tools for editing XML documents in Notepad++. 2022-08-28, ≈22🔥, 13💬

💬 2022-08-28 Andrew E. Cook Cook: Hi there! thanks for this helpful tutorial! With goomaps, adding a location to your WordPress website is easy. The most user-fri...

💬 2018-12-07 David: thanks

💬 2018-11-22 Sac: great

💬 2018-04-11 boy: jo schen donk junger monn

💬 2017-10-10 Froes: valeu

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Android Emulator for 7 Inch Tablet
This section provides a tutorial example on how to create and run an Android Emulator for 7 inch tablets. 2022-08-28, ∼2238🔥, 2💬

💬 2022-08-28 Payton: This is amazing! You are awesome!

BlowfishJ - Java Implementation by Markus Hahn
This section describes BlowfishJ - Java implementation of Blowfish by Markus Hahn. 2022-08-24, ∼700🔥, 1💬

💬 2022-08-24 hiywot: please sent the source code of blowfish including initialization of p and s boxe

RSA Private Key and Public Key Pair Sample
This section provides a tutorial example on how to run JcaKeyPair.java to generate a RSA private key and public key pair sample. Keys are stored PKCS#8 and X.509 encoding formats. 2022-08-23, ∼5420🔥, 4💬

💬 2022-08-23 lol: meanning ful comments

💬 2019-03-31 Herong: Thong, if you lost access to your BTC wallet, or lost your BTC wallet, then you lost your BTC asset. There is no way to get it b...

💬 2019-03-29 Thong Ngo: Hi . I forgot the id wallet btc, is there any way to find the id wallet btc no? Thanks .

Setting UTF-8 Encoding in PrintStream
This section provides a tutorial example on how to set UTF-8 encoding an output PrintStream to correctly print non-ASCII characters. 2022-08-22, ∼2436🔥, 1💬

bitcoin-cli Wallet Commands
This section describes wallet related 'bitcoin-cli' commands. 2022-08-16, ∼6126🔥, 2💬

💬 2021-08-13 Nicolas Darnis: Hi, I'm a BTC newbie, and sure it's not the right place to ask, but, I'm so deseperate... Sainx in advance if you could help. Qu...

Downloading Apache 2.4.37 Binary for Windows
This section describes how to download Apache 2.4.37 binary distribution for Windows. You should select the VC15 and 64-bit build to match the PHP engine build. 2022-08-16, ∼2309🔥, 1💬

💬 2022-08-16 Ihsan: Thank's

"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. 2022-08-16, ≈72🔥, 8💬

💬 2022-08-16 Ken: Cool tutorial. Thank you!

💬 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 poshak: MIIC8DCCAIGgAwIBAgIJAM/+E5HIKoWGMAoG ...

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Creating Image Buttons with javax.swing.JButton Class
This section provides a tutorial example on how to create an image button with the JButton class and the ImageIcon class. 2022-08-16, ∼2608🔥, 2💬

💬 2022-08-08 Herong: Tom, you can use the following code to resize the image: ImageIcon icon = new ImageIcon("java.gif); Image image = icon.getImage(...

💬 2022-08-02 Tom: How can I resize the picture before?

Multiple Classes in a Single Source File
This section provides a tutorial example on how to write multiple classes in a single C# source code file. 2022-08-12, ∼2967🔥, 2💬

💬 2022-08-12 Saif Iqbal: This website is helpful for me.

"jshell> /save" - Saving Code Snippet
This section provides a tutorial example on how to enter a long code snippet in 'jshell', save it to a file, and open it to run it later. 2022-08-11, ∼1185🔥, 2💬

💬 2022-08-11 Saravanan S: for (int index = 0; index < 10; index++) { System.out.println(index); }

💬 2021-09-18 Adam Levine: Damn this was a helpful tutorial

Removing IE Addon "PDF Link Helper"
This section provides a tutorial example on how to disable and remove 'PDF Link Helper' addon from Internet Explorer. 2022-08-02, ∼2338🔥, 3💬

💬 2016-10-25 Herong: Paul, can you share your solution?

💬 2016-10-24 Paul-H: This is stupid solution.

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