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Comments on Herong's Tutorial Books
Please share your general comments on my tutorial books here. Comments should not contain hyperlinks to any external Web sites.
2022-05-17, 75054👍, 204💬

💬 2022-05-17 Laura Spears: i am very glad shearing this my amazing testimony on how Dr Kachi help me win the lottery, i have been living in hell for the pa...

💬 2022-05-17 Laura Spears: i am very glad shearing this my amazing testimony on how Dr Kachi help me win the lottery, i have been living in hell for the pa...

💬 2022-05-14 Margaret Atwood: Hello everyone, I want to use this medium to thank a great spell caster called Dr Grceondu for transforming my life financially,...

💬 2022-05-13 Elizabeth Jones: Hello everyone i am very glad shearing this my amazing testimony on how Priest Bacasim brought back my husband, i have been livi...

💬 2022-05-02 Olivia Lucas: Hi Everyone Join me as I share the Wonderful work of Dr Kachi, who help me win a lot of money few weeks ago on lottery spell, I ...

(More comments ...)

tinyec - Python Library for ECC
This chapter provides tutorial notes on 'tinyec' Python library for ECC. Topics include installing 'tinyec'; creating ec.Curve objects, performing point addition and scalar multiplication.
2022-05-16, 112👍, 2💬

💬 2022-05-16 maria: hola mi mundo bonito

Get Free Ether from faucet.metamask.io
This section describes how to get some free Ether form faucet.metamask.io.
2022-05-16, 55741👍, 365💬

💬 2022-05-16 Andrejs: 0x36E4afba049c43733B178Ad4F36E0c4602 C66CA6

💬 2022-05-16 Hannah Morggan: 0xD98721e97eB996ec917911B041Bab41092 d555aA…..ethplease

💬 2022-05-14 Andry: 0xEC7CB6846caB96A330548e52BfA5616EA2 f46b7a

💬 2022-05-09 Elijah: 0xcfB4C4C467421F4E3bf9E42A425b2F8cD2 97c7ef

💬 2022-05-08 Terry Foster: 0x76C311C93d1b1377211Fb9f993bAaB00ec 77c452

(More comments ...)

Comment Testing Area
What is test testing area for? The testing area is provided to allow visitors to post testing comments.
2022-05-16, 28220👍, 221💬

💬 2022-05-16 Drgibo: once you calll me i will solve your problem and change your life . its my promise . my contact number is +2349030368659 availaba...

💬 2022-05-16 Drgibo: CALL And WhatsApp DR GIBO PROBLEMS SOLVED BY (GREAT ASTROLOGER)+2349030368659 World Famous Astrologer/Vashikaran, Spell Casters,...

💬 2022-05-16 Adelina Endias: “We recently made up, even though it was difficult. It’s been more than a month now, and everything feels like it’s returned to...

💬 2022-05-16 Drgibo: once you calll me i will solve your problem and change your life . its my promise . my contact number is +2349030368659 availaba...

💬 2022-05-16 Drgibo: REVENGE SPELLS, INSTANT DEATH SPELLS Black Magic Revenge Spells - Voodoo Revenge Spells - Revenge Curses Spells - Spells to Brea...

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Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account.
2022-05-15, 14977👍, 32💬

💬 2022-05-15 helpinghands: 0x365F9713D8C7A9a1BeC0a580291D43424e 925B97this is our ether account address. anyone who is donating extra etherum for a good ca...

💬 2022-04-20 Satya: b690c0753f03092e02d18d097a5473c205e2 affc41229a34c69c39c0c587d49b

💬 2022-04-20 sag: 0xDDc09B681fD9c9D428690Df42a8C544458 508d84

💬 2022-04-18 jhonu: 0x09aab1e73d28ac951d7104b877f070d487 5c606d

💬 2022-04-18 0x8033539e873b3f0deaba706dd6d348: Thanks

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Elliptic Curve Geometric Properties
This section describes two geometric properties of an elliptic curve: horizontal symmetry and 3 intersections or less with straight lines.
2022-05-15, 111👍, 1💬

What Is an Elliptic Curve?
This section describes what is elliptic curve - A set of 2 dimensional points of (x, y) that satisfy the y*y = x*x*x + a*x + b equation with given values of a and b.
2022-05-15, 107👍, 1💬

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/multiplicative notations; EC a...
2022-05-15, 2766👍, 5💬

💬 2020-06-23 Herong: Chris, contact me by email. I will send you a PDF copy. Thanks for your comment.

💬 2020-06-22 chris: Sorry for fuss. Bought this ebook on google. bad idea. Should have not done that and just got the physical book or maybe ebook o...

💬 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!

Uninstall Bitcoin Core for Windows
This section describes how to uninstall Bitcoin Core for Windows.
2022-05-15, 1266👍, 59💬

💬 2022-05-15 JENKINS COOPER: THIS IS THE BEST THING THAT HAS EVER HAPPENED TO ME I was scammed of $379,000 worth of bitcoin with a scam forest investment unk...

💬 2022-03-02 Sarah O’Brian: HOW I RECOVERED MY LOST FUNDS FROM CRYPTOCURRENCY SCAMMERS. www.recoveryprecinct.com Hello ! My name is Sarah O’Brian, I am a ch...

💬 2022-02-15 Buy 100% undetectable counterfei: Buy 100% undetectable counterfeit money grade A $,€,£ and SSD Chemical @ (infodocuments4@gmail.com) We are the best and Unique p...

💬 2022-02-07 ford: I know an organization who have private investigators for hire who can help you get into your spouse’s phones,emails remotely fr...

Calculator.pl - CGI Application Example
This section provides a tutorial example of Perl CGI application: Calculator.pl - Returning the result of any arithmetic expression like a calculator.
2022-05-10, 1525👍, 3💬

💬 2022-05-10 sxdc: m m

💬 2020-09-01 naim: hello

💬 2015-11-24 Harry: Thank you! Top!!!

EncodingConverter.java - Encoding Conversion Sample Program
This section provides a tutorial example on how to write a sample program, EncodingConverter.java, to convert text files from one character set encoding to another.
2022-05-10, 133👍, 1💬

💬 2022-05-10 chaeun: 12

What Is Ethereum Testnet: Ropsten Network
This section describes what is Ethereum Testnet: Ropsten Network.
2022-05-10, 210👍, 1💬

💬 2022-05-10 nfts: 0xD5ac103BeFb6C2922E9465f48E355d7348 1449C4

"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.
2022-05-09, 79700👍, 24💬

💬 2022-05-09 Fikirte Amosa: Disable IIS admin service.

💬 2022-02-05 CHRISSY: Hi i have all do in the PC Discord Preference but he start all time agein, wtf i hate it.

💬 2022-01-02 joolzy: thank you , managed to get a result ..

💬 2021-11-11 bona kharo: my window say that could start the bluetooth service on local computer Error 1079: The account specified for this service is dif...

💬 2021-06-04 Herong: Ivory, you can follow instructions given on the printer control panel to open the printer and remove jammed paper.

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Feedback on the Comment Module
The comment module on this Web site was extended from the original guestbook tool. If you have any feedback, please share it here.
2022-05-08, 8564👍, 27💬

💬 2015-09-14 Herong: The original guestbook has been retired as of Sep. 12, 2015.


💬 2009-03-19 Bharat: Hi it really good guestbook i have seen. good job.

💬 2008-10-25 Biphendpoenda: Another test

💬 2008-07-02 Brin: Hello, nice site :)

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View Ethereum Account Address in MetaMask
This section provides a tutorial example on how to view the Ethereum address of the account created by MetaMask extension on Chrome.
2022-05-08, 117👍, 1💬

💬 2022-05-08 dybcsaint: pls some eth 0x7A0772B1Ffa4A5fF64D150276ECd6f7871 ab3915

64-Bit "geth" for Private Ethereum Network
This chapter introduces 64-bit 'geth' to run Ethereum private network.
2022-05-07, 128👍, 2💬

💬 2022-05-07 John Dayo: Contact John Dayo : +2348136293834 Via WhatsApp or call

💬 2022-05-07 John Dayo: Quite helpful though, but I'll like anyone who can help me with a project on Ethereum and BNB. Private key related.

ECES (Elliptic Curve Encryption Scheme)
This chapter provides tutorial notes on ECES (Elliptic Curve Encryption Schema). Topics includes ECES plaintext encryption and ciphertext decryption processes; using Crypto.Cipher.AES module to test ECES.
2022-05-06, 117👍, 1💬

💬 2022-05-06 Mk: Hello how r you?

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.
2022-05-06, 4841👍, 11💬

💬 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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What Is Lorentz Factor?
This section introduces Lorentz Factor, which is the factor used in the time dilation and other formulas in special relativity.
2022-05-06, 3638👍, 5💬

💬 2022-04-20 Tom: Thankd

💬 2019-08-29 Carl Burrnett: This was immensely helpful in my pursuit of trying to understand theoretical physics.

💬 2017-09-24 Shuvojit khan: There is anothere equation ΔE=PΔT

💬 2017-04-30 Abhishek Dogra: Thanks

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'...
2022-05-06, 4932👍, 4💬

💬 2017-08-01 android example: Hi, i have visited the site and found that this is a good site for developing android examples. Facebook Integration - Android E...

Bitcoin Tutorials - Herong's Tutorial Examples
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...
2022-05-06, 3025👍, 8💬

💬 2021-06-21 Ashish: thank

💬 2021-06-18 Bessie: ocalbitcoins clone script | Binance clone script | Remitano clone script | Paxful clone script | Wazirx clone script | Cryptocur...

💬 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!

Get Free Ether from faucet.dimensions.network
This section provides a tutorial example on how to get some free Ether money from faucet.dimensions.network.
2022-05-06, 209👍, 2💬

💬 2022-04-21 Jake Thompson: Hello my names Jake or Dj Kutta , Thank you for the test eth! this is helpful in learning about wallets and the network. Thank y...

ConvertTemp - Usage Description
This section describes the free Web service ConvertTemp provided by WebserviceX.NET. ConvertTemp allows you to convert temperature unit in Celsius, Fahrenheit, Rankine, Reaumur, and Kelvin
2022-05-06, 133👍, 2💬

💬 2022-04-21 asdc: asdc

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.
2022-05-06, 30877👍, 32💬

💬 2022-04-22 rs: thank you

💬 2021-12-08 nice: nice

💬 2020-11-25 naga pavan: Nice

💬 2020-07-21 yadana: thanks

💬 2020-06-20 Herong: Tom and others, I will try to offer a small sample log file for download.

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1 2 3 4 5 6 > >>   Sort: Rank