General

Learn difference between a parent class and super class with practical examples, diagrams, and best practices. Covers oop, parent-child development techniques with visual explanations.

Learn how do i escape new line in vcard 4.0 values? with practical examples, diagrams, and best practices. Covers escaping, newline, vcf-vcard development techniques with visual explanations.

Learn how do i find the installed .net versions? with practical examples, diagrams, and best practices. Covers .net, version development techniques with visual explanations.

Learn how to export/import putty sessions list? with practical examples, diagrams, and best practices. Covers windows, registry, putty development techniques with visual explanations.

Learn run ssh and immediately execute command with practical examples, diagrams, and best practices. Covers bash, unix, ssh development techniques with visual explanations.

Learn differences between emacs and vim with practical examples, diagrams, and best practices. Covers vim, emacs, editor development techniques with visual explanations.

Learn installing adb on macos with practical examples, diagrams, and best practices. Covers android, macos, adb development techniques with visual explanations.

Learn command line for looking at specific port with practical examples, diagrams, and best practices. Covers windows, network-programming, port development techniques with visual explanations.

Learn when multiple computers have identical ip addresses, how can you connect to one of them programmatically? with practical examples, diagrams, and best practices. Covers network-programming, cl...

Learn one-to many relationships in er diagram with practical examples, diagrams, and best practices. Covers database, relational-database, entity-relationship development techniques with visual exp...

Learn what is the hamburger menu icon called and the three vertical dots icon called? with practical examples, diagrams, and best practices. Covers button, menu, hamburger-menu development techniqu...

Learn how do i get current date/time on the windows command line in a suitable format for usage in a file/folder name? with practical examples, diagrams, and best practices. Covers windows, datetim...

Learn oracle client ora-12541: tns:no listener with practical examples, diagrams, and best practices. Covers oracle-database, listener development techniques with visual explanations.

Learn function reorder in r and ordering values with practical examples, diagrams, and best practices. Covers r, sorting development techniques with visual explanations.

Learn ignore duplicates and create new list of unique values in excel with practical examples, diagrams, and best practices. Covers excel, excel-formula, excel-2010 development techniques with visu...

Learn zip file content type for http request with practical examples, diagrams, and best practices. Covers ios, http, nsurlrequest development techniques with visual explanations.

Learn please teach me a good mnemonic for remembering "slash" vs. "backslash" with practical examples, diagrams, and best practices. Covers terminology, mnemonics development techniques with visual...

Learn how can i write a quick and dirty interpreter? with practical examples, diagrams, and best practices. Covers programming-languages, parsing, interpreter development techniques with visual exp...

Learn how to test a site "from" another country? with practical examples, diagrams, and best practices. Covers testing, proxy, ip development techniques with visual explanations.

Learn nuget package restore failed for project miscellaneous files: value cannot be null or an empty string. parameter name: root. 0 0 with practical examples, diagrams, and best practices. Covers ...

Learn how to negate specific word in regex? with practical examples, diagrams, and best practices. Covers regex development techniques with visual explanations.

Learn how to execute a bash command stored as a string with quotes and asterisk with practical examples, diagrams, and best practices. Covers bash, scripting, escaping development techniques with v...

Learn http status code 0 - error domain=nsurlerrordomain? with practical examples, diagrams, and best practices. Covers http, download, http-status-codes development techniques with visual explanat...

Learn how to run powershell in cmd with practical examples, diagrams, and best practices. Covers windows, powershell, batch-file development techniques with visual explanations.

Learn msgbox "" vs msgbox() in vbscript with practical examples, diagrams, and best practices. Covers function, vbscript development techniques with visual explanations.

Learn how to count number of non-blank cells (cells that contain text)? with practical examples, diagrams, and best practices. Covers google-sheets, google-sheets-formula, google-spreadsheet develo...

Learn difference between http response status code 402 and 403 with practical examples, diagrams, and best practices. Covers http, httpresponse, http-status-codes development techniques with visual...

Learn how do i copy a folder from remote to local using scp? with practical examples, diagrams, and best practices. Covers shell, ssh, command-line development techniques with visual explanations.

Learn optimistic vs. pessimistic locking with practical examples, diagrams, and best practices. Covers database, transactions, locking development techniques with visual explanations.

Learn where does chrome store extensions? with practical examples, diagrams, and best practices. Covers google-chrome, google-chrome-extension, path development techniques with visual explanations.