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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

(More comments ...)

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

(More comments ...)

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

💬 2023-03-17 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

(More comments ...)

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

(More comments ...)

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...


💬 2022-07-21 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

(More comments ...)

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!

(More comments ...)

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