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/proc/{id}/maps - Process Memory Map
This section describes the pseudo file '/proc/{id}/maps' that represents virtual memory map of a given process. 2024-08-17, ∼196🔥, 0💬

Buffer Memory and Cache Memory
This section describes buffer memory and cache memory, which are temporary memory allocations in the free RAM area to improve data input and output performance on hard disk. 2024-08-17, ∼194🔥, 0💬

What Is Swap Space
This section describes swap space, reserved area on the hard disk that extends RAM to form a larger physical memory. 2024-08-17, ∼193🔥, 0💬

/proc/{id}/smaps - Process Memory Map Details
This section describes the pseudo file '/proc/{id}/smaps' that represents virtual memory map of a given process with detailed information on each mapped area. 2024-08-17, ∼189🔥, 0💬

"who | w" - Logged-in Users and Their Running Commands
This section provides a tutorial example on how to display logged-in users and their running commands using 'who' and 'w' commands on Linux systems. 2024-08-17, ∼179🔥, 0💬

Verify Cache Memory with "cp" Command
This section provides a tutorial example to verify the cache memory usage in the RAM free space using a single 'cp' command. 2024-08-17, ∼172🔥, 0💬

GD Library - Draw Graphical Elements
This section provides a tutorial example on how to draw graphical elements using GD Library functions. 2024-08-11, ∼584🔥, 1💬

💬 2024-01-19 &amp;amp;amp;amp;lt;zx&a: great

💬 2022-09-22 alì babbà: commento del piffero!

The Constancy of the Speed of Light
This section provides a thought experiment to help understanding the second assumption of the special theory of relativity: The constancy of the speed of light. 2024-08-08, ∼2019🔥, 75💬

💬 2024-06-25 Hiroji Kurihara: Speed of Starlight A glass cube is floating horizontally in outer space. Two rays of starlight coming from the left and right ar...

💬 2022-11-19 Hiroji Kurihara: Light is Propagated in Two Ways 　　　　　　　　　　　　 In outer space, a starlight is reflected by a mirror. There is a formula c = ...

💬 2022-04-30 Hiroji kurihara: Herong, Thanks, for accepting my comments. Now, URL of my web-site is as follows, http://lifeafterdeath.vip/eng.html

💬 2022-04-27 Hiroji kurihara: Sorry, last a few words of my post (04-25's) are missing. It is.... m<m/2+m/2.

💬 2018-12-18 Herong: Hiroji, Thanks for sharing your comment and the article. I will definitely read it.

(More comments ...)

GD Library - Create Transparent Image
This section provides a tutorial example on how to create an image with transparent background using GD Library functions. 2024-07-29, ∼258🔥, 0💬

GD Library - Pad Transparent Image
This section provides a tutorial example on how to pad the transparent background of to expand an image using GD Library functions. 2024-07-29, ∼168🔥, 0💬

Transparent Image Over Text Web Page
This section provides a tutorial example on how to display a transparent image floating over Web page text. 2024-07-29, ∼166🔥, 0💬

GD Library of Image Functions
This section provides a quick introduction on GD Library for creating images and managing image files in BMP, GIF, PNG, JPEG formats. 2024-07-29, ∼161🔥, 0💬

PCRE Module and C Library
This section provides a quick introduction on PCRE Library for regular expression operations. 2024-07-29, ∼161🔥, 0💬

preg_quote() - Escape Characters in Pattern
This section provides a tutorial example on how to quote special characters in a string to be used as a regular expression pattern using the preg_quote() function. 2024-07-29, ∼158🔥, 0💬

OpenSSL Module - Cryptography and SSL/TLS Toolkit
This chapter provides tutorial examples and notes on OpenSSL module. Topics include introduction of commonly used OpenSSL functions; computing digest/hash value; generating private and public key pairs; symmetric encryption and asymmetric encryption; generating digital signatures; sealing (double-en... 2024-07-29, ∼156🔥, 0💬

GD Library - Print 2 Pictures on 1 Page
This section provides a tutorial example on how to compose a print page with 2 pictures placed vertically using GD Library functions. 2024-07-29, ∼148🔥, 0💬

preg_split() - Split String into Tokens
This section provides a tutorial example on how to split a string with pattern delimiters using the preg_split() function. 2024-07-29, ∼148🔥, 0💬

PCRE Module - Perl Compatible Regular Expressions
This chapter provides tutorial examples and notes on PCRE module. Topics include introduction of commonly used PCRE functions; searching for patterns and retrieving matched substrings; searching array members; replacing substrings; splitting strings; quoting special characters. 2024-07-29, ∼146🔥, 0💬

preg_match() - Regular Expression Match
This section provides a tutorial example on how to search for the first occurrence and all occurrences with a given regular expression pattern using preg_match() and preg_match_all() functions. 2024-07-29, ∼143🔥, 0💬

preg_replace() - Replace Matched Substring
This section provides a tutorial example on how to search and replace regular expression patterns using preg_replace() and preg_match_filter() functions. 2024-07-29, ∼143🔥, 0💬

preg_grep() - Search Array Members
This section provides a tutorial example on how to search for array members with a given regular expression pattern using preg_grep() function. 2024-07-29, ∼141🔥, 0💬

cURL Module - Client for URL
This chapter provides tutorial examples and notes on cURL module for making HTTP (and other protocol) requests. Topics include creating a cURL handle; sending network request; setting request options; making HTTP POST requests; getting transaction information and error. 2024-07-29, ∼139🔥, 0💬

"UnitConversion_REST" - REST Web Service
"UnitConversion_REST" is an REST Web service for test purpose only. High level information about this "Hello_REST" Web service: Web service endpoint: http://www.herongyang.com/Serv iceRepresentation of resources: UnitConversion_REST.php Operations: GET and POST Operation parameters: "type", "from", ... 2024-07-22, ≈12🔥, 0💬

About This Book
This section provides some detailed information about this book - PHP Modules Tutorials - Herong's Tutorial Examples. 2024-07-20, ∼169🔥, 0💬

<< < … 5 6 7 8 9 10 11 12 13 14 15 … > >>   ∑:8897  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 Reference REST SOAP Sorting Swing TV Series UML Unicode VBScript Web Web-Services Windows WSDL XML XMLPad XSD XSL-FO