Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO

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What Is macOS KeyChain
This section describes what is macOS Keychain - a database integrated in a macOS operating system to store passwords, private/public keys and certificates. 2024-11-27, ∼247🔥, 0💬

Create Web Server Certificate
This section provides a tutorial example on how to Web server certificate with required x509v3 extensions, including 'subjectAltName' to cover multiple domain names and/or IP addresses. 2024-11-27, ∼231🔥, 0💬

"openssl x509 -CA ..." - CA Signing Certificate
This section describes the 'openssl req -x509' command, which allows you to generate self-signed certificate from a CSR, an existing key pair, or an internally generated key pair. 2024-11-27, ∼225🔥, 0💬

"keytool -certreq" - Generate CSR (Certificate Signing Request)
This section provides a tutorial example on how to use the 'keytool -certreq' command to generate a CSR from a given private/public key pair with a self-signed certificate stored in a KeyStore file. 2024-11-27, ∼214🔥, 0💬

Use "openssl ca" as Root CA
This section provides a tutorial example on how to use the 'openssl ca' command as a root CA to sign a CSR (Certificate Signing Request) into a certificate using a given section in openssl.cnf. 2024-11-27, ∼190🔥, 0💬

getSelection() - Getting Selected Button
This section provides a tutorial example on how to use the getSelection() method to know which button is selected in a button group. 2024-11-26, ≈21🔥, 4💬

💬 2024-11-26 davide goga: useful grazie

💬 2016-02-22 aaa: God is the greatest

💬 2016-02-22 aaa: we are here to learn

Archived: Downloading and Installing JDK 1.6
This section describes how to download and install Java SE (JDK) 1.6 Update 2 on a Windows XP system. 2024-11-25, ∼1028🔥, 3💬

💬 2024-08-17 Herong: NullPTR, can you download the JDK .exe file on the newer computer and transfer it to your Windows XP?

💬 2024-08-15 NullPTR: the link to download javase will redirect to oracle.com,but i cant click agree eula on the download page with chrome 47 on windo...

XMLin() and XMLout() Methods
This section describes two key methods in the XML::Simple module, XMLin() and XMLout(), to convert XML text string into a hash structure representing the XML structure and to convert the hash back to a string. 2024-11-20, ∼1858🔥, 2💬

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... 2024-11-16, ≈14🔥, 4💬

💬 2022-07-27 Aman: Perfect book to help my 'encoding' project. Thank you!

💬 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...

💬 2019-01-01 Yale: Thank you!

UTF-16 Encoding
This section provides a quick introduction of the UTF-16 (Unicode Transformation Format - 16-bit) encoding for Unicode character set. Paired surrogates are used for characters in the U+10000...0x10FFFF range. 2024-11-04, ∼5056🔥, 5💬

💬 2021-11-09 77: *9999

💬 2016-12-28 anson: what a detail of explain. i think i complete understand it. thanks very much.

Chinese Character String with GB18030 Encoding
This section providing information on handling Chinese character string literals in GB18030 encoding. header() function must be called to override the HTTP response header 'Content-type' setting to GB18030 in PHP 7. 2024-10-29, ∼615🔥, 3💬

💬 2024-10-29 Herong: Yi, looks like you have fixed your code issue. Your website displays Chinese characters correctly now.

💬 2024-10-26 Yi Jiang: Thanks Yang! But my website still display wrong: https://www.typingchinese.com/bishun .phpthis happens after hosting server upgr...

What Is Generator Expression
This section provides a quick introduction of generator expression, which contains a 'for' clause enclosed in parentheses and returns a generator iterator. 2024-10-29, ∼403🔥, 0💬

What Is Double-Generator Expression
This section provides a quick introduction of filtered generator expression, which contains a 'for' clause with a 'if' sub-clause enclosed in parentheses and returns a generator iterator. 2024-10-29, ∼386🔥, 0💬

Iterable Objects of Built-in Data Types
This section lists all built-in data types that can be used to create iterable objects. 2024-10-29, ∼365🔥, 0💬

List, Set and Dictionary Comprehensions
This chapter provides introductions and tutorial examples about list, set and dictionary comprehensions. Topics include introduction on list, set and dictionary comprehensions; examples of comprehensions with filtering conditions and nested loops, comparison of generator expressions and comprehensio... 2024-10-29, ∼362🔥, 0💬

What Is Iterable Object
This section provides a quick introduction on iterable object, which is an object with a required instance method to return an iterator object. 2024-10-29, ∼334🔥, 0💬

Data Type - 'set' for Unordered Collection
This section describes the 'set' data type, which stores a collection of unordered and unique elements. 'set' data objects are mutable. 2024-10-29, ∼328🔥, 0💬

What Is Filtered Generator Expression
This section provides a quick introduction of filtered generator expression, which contains a 'for' clause with a 'if' sub-clause enclosed in parentheses and returns a generator iterator. 2024-10-29, ∼325🔥, 0💬

What Is Generator Iterator
This section provides a quick introduction of generator iterator, which is created by a generator function or a generator expression. 2024-10-29, ∼314🔥, 0💬

What Is Iterator Object
This section provides a quick introduction on iterator object, which is an object with a required instance method to return the next item from a collection. 2024-10-29, ∼304🔥, 0💬

GetStringAsync() Method Example Program
A tutorial example is provided on how to use GetStringAsync() method in the System.Net.Http.HttpClient class to send a GET request in a child thread as am asynchronous operation. 2024-10-27, ∼3296🔥, 3💬

"bitcoin-cli walletpassphrase" - Unlock Wallet
This section describes how to unlock with 'bitcoin-cli walletpassphrase' command. 2024-10-26, ∼1362🔥, 2💬

💬 2023-07-25 Elizabeth Ruth: There are many cases of cryptocurrency theft currently on circulation which I also fell victim last week but I was fortunate to ...

Visual C# 2010 Express Edition
This chapter provides tutorial examples and notes on Microsoft Visual C# 2010 Express. Topics include downloading and installing Visual C# 2010 Express; creating a solution project; compiling and running a C# program. 2024-10-10, ∼2884🔥, 6💬

💬 2024-10-10 jerry: grazie

💬 2021-08-09 Phothong Duangpasearch: YEs

18800: Tangut Components
This section provides a quick summary of the Unicode code point block: 'Tangut Components', which contains 755 code points to represent structural elements used by scholars to index Tangut ideographs in modern dictionaries and glossaries. 2024-10-02, ∼882🔥, 1💬

💬 2024-10-02 Daniel: Very wonderful!

<< < … 13 14 15 16 17 18 19 20 21 22 23 … > >>   ∑:9107  Sort:Rank

Android ASP Astrology Big5 Bitcoin Blowfish Built-in C# Calendar CD-DVD Cheminformatics Chinese Cryptography DES Email Encoding Ethereum Flash GB2312 General H Herong History HTML Java JavaScript JDBC JSP JVM Linux Molecule Movie Music MySQL Neural Network Perl PHP Physics PKI Publication Python REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO