Herong's Tutorial Examples

Free Chinese Calendar 2024 - Year of the Dragon
Want to know when is the 2024 Chinese New Year day? Look for free Chinese calendars for 2024? Chinese New Year Date for Year 2024 The Dragon 2024 February 10 Saturday Chinese New Year ⇒ Free Chinese Calendar 2025 - Year of the Snake ⇐ Free Chinese Calendar 2023 - Year of the Rabbit ⇑ Chinese New ... 2023-11-28, 128642🔥, 1💬

💬 2023-02-03 Agnes Kim: Hey my mom and dad only celebrate their birthday following the lunar calendar, so all 3 of the kids end up missing their birthda...

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What Is PKCS5Padding?
This section describes what is PKCS5Padding - a schema to pad cleartext to be multiples of 8-byte blocks. 2023-11-02, 48236🔥, 37💬

💬 2023-11-02 ayyappa: enjoy

💬 2023-04-12 {"partnerReferenceNo": "APP12345: ok

💬 2023-01-18 Servant of Elon Musk's Regent: You are the chosen one!

💬 2022-11-17 Elon Musk's Regent: mommy

💬 2022-11-14 Elon Musk: Giving away twitter to the first person to reply and call me mommy

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What Is Canonical SMILES
This section provides a quick introduction of Canonical SMILES, uniquely identifies each molecule structure with single unique SMILE string. 2023-11-02, 688🔥, 1💬

💬 2023-11-02 Magästica: Between canonical and isomerical smiles, what is the main difference? Is there a different purpose between smiles?

UTF-32LE Encoding
This section provides a quick introduction of the UTF-32LE (Unicode Transformation Format - 32-bit Big Endian) encoding for Unicode character set. 2023-10-30, 1185🔥, 5💬

💬 2023-10-30 VVVV: Save on Liposuction

💬 2019-06-21 ggg: test

Downloading and Installing Visual C# 2010 Express
This section provides a tutorial example on how to download and install Microsoft Visual C# 2010 Express edition on Windows systems. 2023-10-28, 9590🔥, 38💬

💬 2023-10-28 jan: ok

💬 2022-02-16 Herong: prabhu, can you follow above steps to download it?

💬 2022-02-15 prabhu: need VS2010

💬 2021-10-08 .....: ok

💬 2021-10-08 some else: we will try in our computer

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Blowfish Test Vectors with 16-Byte Keys
A tutorial Perl example is provided to show how to build a table of test vectors with Crypt::Blowfish with 128-bit (16-byte) secret keys. 2023-10-28, 187🔥, 1💬

💬 2023-10-28 Jeremy Gemegah: pardon me, I am a bit confused, what is the size of the sub keys?

RDKit Substructure Search with SMARTS
This section provides a tutorial example on how to perform substructure search with a MARTS parttern using RDKit library. 2023-10-27, 1401🔥, 2💬

💬 2023-10-24 Herong: Starlet, I not sure if I fully understand you question. Can you give more examples?

💬 2023-10-10 Starlet Yuan: Hi ! I have a question. how to search a SMARTS substructure in another substructure ? For example, search "[Ch]" in "[Ch]C[Ch]" ...

Blowfish - 8-Byte Block Cipher
This chapter provides tutorial examples and notes about Blowfish block cipher. Topics include Blowfish encryption and decryption algorithm; Blowfish sub-key generation schema, Blowfish algorithm implementation in Java. 2023-10-24, 844🔥, 4💬

💬 2023-10-24 test: 018a35f5-eed3-7a43-99d2-a6a22956bab7

💬 2022-06-21 sad: hello world

💬 2019-12-16 gio: i love you

Ethereum Public Key and Private Key Example
This section describes examples of public key and private key of an Ethereum account. 2023-10-24, 26967🔥, 85💬

💬 2023-09-27 EZ: 0xd80BC34813499f935AaCC8B965eEC3fb67 3d4624

💬 2023-03-20 HICHAM: 0x5f5Afce1f980cBae2cEaf7Ec1696b0AEb8 dE0366

💬 2023-03-17 Elmzah: 0x63FaC9201494f0bd17B9892B9fae4d52fe 3BD377Good projet

💬 2023-02-21 Eth460: e58604c0540cb59fb8a2371ec8151c8ddde7 0c31

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"secp256r1" - For 256-Bit ECC Keys
This section describes 'secp256r1' elliptic curve domain parameters for generating 256-Bit ECC Keys as specified by secg.org. 2023-10-20, 2678🔥, 1💬

💬 2023-10-20 Duy: hello

RSA Public Key Encryption Algorithm
This section describes the RSA public key encryption algorithm. Generating public and private keys used in RSA encryption requires two large prime numbers. 2023-10-16, 250🔥, 2💬

💬 2023-10-16 subbarao: thanks for giving wonderful knowledge

Block Hash Calculation Algorithm
This section describes the Block Hash Calculation Algorithm. 2023-10-13, 586🔥, 1💬

💬 2023-10-13 00000000034ef34a7d9cb46b44a5473e: 00000000034ef34a7d9cb46b44a5473e9852 4a12f35232ef32387523b3c549da

Geometric Introduction to Elliptic Curves
This chapter provides a geometric introduction of elliptic curves and the associated addition operation. Topics includes what is an elliptic curve and its geometric properties; geometric algorithm defining an addition operation; infinity point or identity element; commutativity and associativity of ... 2023-10-11, 714🔥, 2💬

💬 2020-09-12 NA: NA

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. 2023-10-10, 38267🔥, 40💬

💬 2023-07-29 Vance: Very appreciated. I'm using this data in conjunction with Splunk, and I need a web server data use case.

💬 2023-01-05 baig: thanks

💬 2022-11-11 Herong: Yes, IIS log file format hasn't changed for 20 years!

💬 2022-11-06 Petr: In 2022 still useable :]

💬 2022-11-01 tom: for research

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GB2312 vs. Unicode
A quick introduction of GB2312 is provided. Topics include GB2312 character set; Location Codes; Native Codes; Unicode; GBK encoding and Unicode character set. 2023-10-08, 2910🔥, 12💬

💬 2023-06-26 Rastus Zhang: Thanks

💬 2021-09-01 liq: study

💬 2021-05-12 grant: Thanks

💬 2020-04-25 yola: Yes!! Thanks!!

💬 2019-11-25 HONGYAN: Thank you very much

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Corrupted Chinese File Name with Un-ZIP
This section provides a tutorial example to demonstrate a real life example of Chinese text corruption when unzip ZIP archives generated from Chinese Windows systems. 2023-10-06, 1562🔥, 1💬

💬 2023-10-06 Catscarlet: This helps a lot. Thanks.

My First HTML Page - hello.html
This section provides a tutorial example on how to create the first Web page with HTML code to test the Tomcat Web server. 2023-09-29, 2080🔥, 2💬

💬 2022-07-29 Mr.Local: Not Bad !!!!!

Certificate X.509 Standard and DER/PEM Formats
This chapter provides tutorial notes and example codes on certificate content standard and file formats. Topics include X.509 standard for certificate content; DER encoding for certificate binary file format; PEM encoding for certificate text file format; exchanging certificates in DER and PEM forma... 2023-09-26, 989🔥, 2💬

ReadParse() - Parsing Web Form Input Values
This section describes functions provided in the CGI library, cgi-bin.pl. It also provides a tutorial example on how to use the ReadParse() to parse Web form input values and other functions. 2023-09-21, 3499🔥, 12💬

💬 2022-09-22 abc: thanks

💬 2018-10-08 asdf: good

💬 2017-08-29 gerry: coo tutorial

💬 2015-10-30 Herong: Thank you, Yair. Your comment shows that form input values are processed correctly on my site for Hebrew language.

💬 2015-10-21 יאיר: שלום

Archived: Get Bitcoin Block Data
This section provides a tutorial example on how to use the Get Bitcoin Block Data operation provided by blockexplorer.com. 2023-09-17, 165🔥, 1💬

EC Key in PEM File Format
This section provides a tutorial example on the EC key PEM file format. EC domain parameters are stored together with the private key. 2023-09-17, 3203🔥, 1💬

💬 2023-09-17 ecformat: this is to test EC format

Windows Command - "certutil -encode/-decode"
This section provides a tutorial example on how to use 'certutil -encode' command on a Windows system to perform Base64 encoding and decoding. 2023-09-13, 28562🔥, 8💬

💬 2023-03-12 reuven: BljLekAtpu5P/0tC7W2A/kGfa0pIz5LV52xj KwDtM3Ne04Z39D69GFqZ3qTfTBLAKMbZuJx5 /rST7L7VVpdp/RH6Cjcw5/dhmAuRzhWGOyFq d3p/b8YOj8A8DvwUF8bg...

💬 2022-09-28 Amol: MIIDFDCCAfwCAQAwgZIxCzAJBgNVBAYTAkFV MQwwCgYDVQQIDANWSUMxEjAQBgNVBAcMCU1lbGJvdXJuZTEaMBgGA1UECgwRTW9u ZXkgYnkgQWZ0ZXJwYXkxHDAaBgN...

💬 2022-07-21 Herong: R, thanks for the correction.

💬 2022-07-20 R W: "Base64 with not line breaks" should be"Base64 with no line breaks"

Archived: Get Bitcoin Transaction Data
This section provides a tutorial example on how to use the Get Bitcoin Transaction Data operation provided by blockexplorer.com. 2023-09-10, 235🔥, 1💬

💬 2023-09-10 k: yes

Download and Install JDK on macOS
This section provides a tutorial example on how to download and install the latest version JDK, which contains the HotSpot JVM, on a macOS system. A simple Java program was entered, compiled, and executed to verify the JDK installation. 2023-09-09, 95625🔥, 61💬

💬 2023-09-09 Anthony: great

💬 2023-05-13 james: oki

💬 2022-01-10 G.S.S.VARAPRASADRAO: cool

💬 2021-11-15 thang: that geart

💬 2021-06-08 anil: thanks

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UTF-8 Encoding Algorithm
This section provides a tutorial example on how to write a programming algorithm to encode characters with UTF-8 encoding. 2023-09-08, 8372🔥, 8💬

💬 2023-07-22 Ian Brooke: If you're going to include pseudo code like that you need to define exactly what the different symbols do as they mean different...

💬 2023-02-01 Abdelrahman: Thank you very much!

💬 2023-01-31 Herong: Abdelrahman, you can read the " UTF-8 Encoding " section. It contains UTF-8 encoding requirements and example. The 6-bit shiftin...

💬 2023-01-29 Abdelrahman: Thank you for this, Herong! The algorithm is simple and clear to understand. The one part that I don't understand is why it uses...

💬 2019-09-27 Andrew Dillon: This was very useful. It really helped clarify the explanation in the Unicode Specification. Thank you!

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