2013年11月20日 · In Lua's case, the language is intended to be an embedded scripting language, so any changes that make the language more complex or potentially make the …

2020年11月18日 · What does the ~= operator mean in Lua? For example, in the following code: if x ~= params then

2012年1月24日 · To anyone with the same sort of doubts about lua's syntax, i'd recommend checking the documentation here and keeping it handy. It'll be useful while learning. It'll be …

2015年1月16日 · From the docs:. The operator and returns its first argument if it is false; otherwise, it returns its second argument.

2011年4月3日 · Lua is deliberately lightweight so it does not have a ternary operator. There are a couple of ways to get past this including using the and-or idiom. But I think that is bad for …

2016年1月2日 · ipairs is a Lua standard function that iterates over a list. This style of for loop, the iterator for loop, uses this kind of iterator function. The i value is the index of the entry in the …

The Lua idiom for this case is something like this: function listvalues(s) local t = { } for k,v in ipairs(s) do t[#t+1] = tostring(v) end return table.concat(t,"\n") end By collecting the strings to …

2024年5月20日 · If you are splitting a string in Lua, you should try the string.gmatch() or string.sub() methods. Use the string.sub() method if you know the index you wish to split the …

An API returns a timestamp as UNIX timestamp at UTC and I would like to know if this timestamp was more than x seconds ago. As expected, this works fine with os.time() - x > timestamp in …

In general, if you want a switch statement in Lua, what you ought to be doing is building a table. For your simple case of choice that could be 1, 2, or fail, a simple if statement with a few …