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"obabel ... -o svg -xX" - Hide Implicit H in SVG
This section provides a tutorial example how to hide implicit hydrogen symbol 'H' on a non-carbon terminal atoms in a molecule SVG picture using the Open Babel 'obabel ... -o svg -xX' command.
2022-10-01, ∼326🔥, 0💬

Use "os" Module to Manage Files
This section describes methods from the 'os' module for managing files.
2022-10-01, ∼326🔥, 0💬

"for" Statement for Iterative Execution
This section provides a quick introduction of 'for' statement, which executes a block of sub-statements repeatedly while the given condition is valid.
2022-10-01, ∼326🔥, 0💬

Process Management
This chapter provides introductions and tutorial on managing processes on Linux systems. Topics include 'ps' to display processes; 'jobs' and other commands to manage background jobs; 'tmux' tool to manage multiple shells and keep them in background.
2022-10-01, ∼326🔥, 0💬

Big5 to Unicode - Row A1: Special Symbols
Big5 to Unicode code point mapping is provided for Big5 character set - Row A1: Special Symbols.
2024-01-29, ∼325🔥, 0💬

Unicode to Big5 - Part 19: U+68FB to U+6A8C
Unicode to Big5 code point mapping is provided for Big5 character set - Part 19: Unicode U+68FB to U+6A8C.
2024-01-29, ∼325🔥, 0💬

"Calculator" for 4 Integer Operations
This chapter provides a quick introduction of free Web services 'Calculator' provided by dneonline.com with 4 integer operations.
2024-01-21, ∼325🔥, 0💬

What Is Function?
This section describes what is function - Two sets of elements, X and Y, and a rule, f, which assigns to each element in X, to one element in Y.
2022-10-11, ∼325🔥, 0💬

Archived: "sysinfo" - Checking Java DB Installation 10.2.2
This section describes how to use 'sysinfo' to verify Java DB installation.
2022-10-06, ∼325🔥, 0💬

1983 年年历 - 猪年
中国年历 - 1983 年年历 - 猪年
2022-10-05, ∼325🔥, 0💬

What Is Light Cone
This section provides a quick introduction of light cone, which is a 4-dimensional surface in a spacetime frame where all events on the surface can be connected to a central event by light.
2022-10-04, ∼325🔥, 0💬

2023 年年歷 - 兔年
中國年歷 - 2023 年年歷 - 兔年
2022-10-04, ∼325🔥, 0💬

Establishing a Datagram Communication Link
This section describes how to establish a datagram communication link. A server application runs a datagram socket in listen mode and a client application connects a client socket to the server socket.
2022-10-01, ∼325🔥, 0💬

Predefined Variables Related to HTTP Requests
This section describes predefined variables, $_GET, $_POST, $_COOKIE, $_REQUEST, and $_SERVER, that contains information included in the HTTP request received by the PHP engine from the Web server.
2022-10-01, ∼325🔥, 0💬

Execution Result of CurrentTime.jspx
This section describes execution result of the CurrentTime.jspx tutorial example. Converted Servlet class shows that action 'include' element is processed differently than directive 'include' elements by the Tomcat server.
2022-10-01, ∼325🔥, 0💬

Validating XML Documents against Schema Documents
This section describes a tutorial example of how to use JAXP (Java API for XML Processing) to validate an XML document against a schema.
2022-10-01, ∼325🔥, 0💬

GetInfoByState - Request Message Sample
This section provides a request message sample of GetInfoByState Web service.
2022-10-01, ∼325🔥, 0💬

Discontinued: GetAirportInformationByCountry - Get Airport Code by Country
This chapter provides a quick introduction of the free Web service, GetAirportInformationByCountry ,returning a list of all airports and their detailed information of the given country. Topics include usage description of GetAirportInformationByCountry ;request message sample; response message sampl...
2022-10-01, ∼325🔥, 0💬

Converting Weight from Grams to Pounds
This section provides a tutorial example on converting weight value from grams to pounds.
2022-10-01, ∼325🔥, 0💬

getTime - Usage Description
This section describes the free Web service getTime provided by Yahoo!. getTime allows you to obtain the current time from Yahoo servers.
2022-10-01, ∼325🔥, 0💬

Variables and Assignments - Example
This section provides a tutorial example on how to use variables, variable declaration statements, and assignment statements.
2022-10-01, ∼325🔥, 0💬

URL Encoding Support in PHP
This section provides a tutorial example on how to perform URL encoding/decoding and application/x-www-form-urlenco dedencoding/decoding in PHP.
2022-10-01, ∼325🔥, 0💬

"bf-cbc" Cipher on Multiple Blocks
A tutorial example is provided to show you how multiple plaintext blocks are encrypted in CBC operation mode. The encryption of each plaintext block is impacted by the encryption of the previous block.
2022-10-01, ∼325🔥, 0💬

Productivity Tools on macOS
This chapter provides quick introductions of various productivity tools like Terminal, Atom, FileZilla, OpenOffice, VPN Plus, WeChat, on macOS.
2022-10-01, ∼325🔥, 0💬

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