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Snipre (talk) 07:52, 31 October 2013 (UTC), Is there a LUA method for '#ifexist' that doesn't generate false incoming links? The problem with 3rd party bindings is that they usually tend to get unmaintained or only support a specific version of the library. Or is it something else? To learn Lua, read Programming in Lua by Roberto Ierusalimschy. Also explains why the uselang=qqq hack doesn't work to show the scribunto messages. I'm a rookie! lua.LVAsBool(v LValue) - Convert to bool, nil and false becomes false. --HectorMoffet (talk) 11:05, 29 December 2013 (UTC). With your own bindings, you can control what version you use and how the exposed API looks in Lua. The approach of Module:Sandbox - having every user put scripts into a common receptacle - seems unworkable. You signed in with another tab or window. Of course, the specific delay depends on server load, but follows the general exponential slowdown formula, where 7,000 parameters is far slower than a linear extension of 7000/6000 or 17% slower, and runs closer to 47 seconds (+70% slower) rather than 27+17%=31.6 seconds. The downside is it will incur a small performance impact every time a new page of callframes is allocated. After the function call, Page contents not supported in other languages. I very much regret that. A [6] question at Module:Redirect reminded me of a remarkable statement by @Wikid77: that updating some Lua modules can cause 7 million pages to be reformatted on the WP:Job queue. I'm a happy user of this space myself with the pet projects I develop in my free time. See http://godoc.org/github.com/yuin/gopher-lua#LTable for the LTable Go API. 3 the colon operator. Keep your global state to a minimum and variable scope as small as possible. In the first case, we use a function call as a statement; They have a great system for tracking your belongings and a system for checking to make sure you got all of your belongings once you arrive at your destination. --Iantresman (talk) 14:50, 8 December 2013 (UTC). Makyen, does that look something like what you wanted? That overhead might be removed if we made save/restore a built-in operation in Lua. -- Gets args.rowtype1, args.rowtype2, etc. I measured the overhead of direct and virtual C++ function calls on the Xenon PowerPC some time ago. ), You dont need a specialized IDE or tools to write Lua comfortably. Mr. Stradivarius talk 09:47, 11 November 2013 (UTC), I've updated Wikipedia:Lua/Modules/Overview using a Lua module to generate a table from various simple cut and paste data. Even if you do, with LuaJIT youll be able to achieve C/C++ level performance. The value of any of these keys will never be. Example: L.GetTop() returns the number of arguments that was used when the function was called. Johnuniq (talk) 06:53, 11 October 2013 (UTC), Doesn't Wikipedia's version of Lua allow the GetURL function (or equivalent)? It doesnt have many gotchas. If you used classes as globals (which Ive seen in many tutorials and real code), you might have a script like this: Suppose that you didnt execute some_class.lua first (which defines a global SomeClass). It's just that a central repository would be so beneficial for everybody (en.wiki devs/editors included) and en.wiki can't really be (in my honest and personal opinion) that place. I would generally recommend to avoid making high volume calls into Lua. may be relevant to this problem. How about expanding the template's function so that we can also put at the top of template /doc pages? In Lua, all arrays are 1-indexed, however t[0] is still valid but that would result in the lenght of the array to be off-by-one.