http://192.168.180.206:8001/ 2026-05-12T22:43:18+00:00 http://192.168.180.206:8001/ http://192.168.180.206:8001/_media/wiki:dokuwiki.svg text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:additional_modules?rev=1593762484&do=diff Package search path Global variable package.path print (package.path) ./?.lua;/usr/share/luajit-2.0.4/?.lua;/usr/local/share/lua/5.1/?.lua;/usr/local/share/lua/5.1/?/init.lua;/usr/share/lua/5.1/?.lua;/usr/share/lua/5.1/?/init.lua package.path = package.path .. ';scripts/?.lua' text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:debug?rev=1593762484&do=diff local debuginfo = debug.getinfo (1) local fnName = debug.getinfo (1,"n").name * f - returns “func” field * l - returns “currentline” field * L - returns a table whose indices are the numbers of the lines that are valid on the function. (A valid line is a line with some associated code, that is, a line where you can put a break point. Non-valid lines include empty lines and comments.) text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:math?rev=1593762484&do=diff <https://love2d.org/wiki/General_math> <https://github.com/kikito/tween.lua> <https://github.com/EmmanuelOga/easing> <http://snipplr.com/view/72167/matrix-interpolation/> <https://searchcode.com/codesearch/view/60252509/> text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:meta?rev=1593762484&do=diff LUA Metatables Role of metatables Metatables can be assigned to LUA tables to describe or change behaviour of operations on LUA tables. If table has metatable assigned, LUA engine looks for some special fields in metatables if some special events occurs. For example, if somebody wants to add two tables (system doesn't know how to add two tables because content is user dependent), LUA engine looks for special key text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:modules?rev=1593762484&do=diff volatile modules Use dofile with file name to process file. Using require makes module names independent from extension, but it creates reference in package.loaded['module_name'] table. Reference is created after loading module, so reference can be destroyed only later, by call text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:optimisation?rev=1593762484&do=diff Lua Performance Tips What can I do to increase the performance of a Lua program? Avoid globals Local variables are very fast as they reside in virtual machine registers, and are accessed directly by index. Global variables on the other hand, reside in a lua table and as such are accessed by a hash lookup.“ -- Thomas Jefferson text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:patterns?rev=1593762484&do=diff <http://www.lua.org/manual/5.1/manual.html#5.4.1> <https://www.gammon.com.au/scripts/doc.php?lua=string.find> escape special characters for pattern matching pattern = pattern:gsub ("%+", "%%%+") -- change '+' to '%+' pattern = pattern:gsub("([+%?])", "%%%1") -- escape only characters from set pattern = pattern:gsub("([^%w])", "%%%1") -- escape all non alphanumeric characters text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:protobuf?rev=1593762484&do=diff Protocol * Encoding <https://developers.google.com/protocol-buffers/docs/encoding> * Protocol Buffer Polymorphism <http://www.indelible.org/ink/protobuf-polymorphism/> tools <http://yura415.github.io/js-protobuf-encode-decode/> Libraries sean-lin based <https://github.com/sean-lin/protoc-gen-lua> * Latest commit 12 Jun 2014 <https://github.com/djungelorm/protobuf-lua> * Latest commit 26 Jan 2016 * Latest fixes <https://github.com/skwerlman/protobuf-lua/tree/patch-1> * Lua ro… text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:rocks?rev=1593762484&do=diff rock A rock is a bundle containing a specification file (called a “rockspec”) and files providing Lua modules When packed, a rock is an archive file in ZIP format, with the .rock filename extension. When installed, a rock is unpacked into a directory in the local rocks repository. There are several types of rocks, and when packed they are identified by their filename extensions. These are: text/html 2020-07-03T07:51:01+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:start?rev=1593762661&do=diff LUA io.stdout:setvbuf 'no' see <http://www.lua.org/manual/5.1/manual.html#pdf-file:setvbuf> text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:strings?rev=1593762484&do=diff Quotes No difference between ' and “. If you want to use ' inside string, use ” and vice versa. Lua handles backslash as escape character: \a bell \b back space \f form feed \n newline \r carriage return \t horizontal tab \v vertical tab \\ backslash \" double quote \' single quote \[ left square bracket \] right square bracket text/html 2020-07-03T07:48:04+00:00 Anonymous (anonymous@undisclosed.example.com) http://192.168.180.206:8001/programming:lua:turbo?rev=1593762484&do=diff Turbo LUA Getting ioloop instance: local turbo = require 'turbo' local tio = turbo.ioloop.instance() There is only one instance at time. Multiple requests always return the same instance. Always use pcall For example: if you register periodic action using