Questions tagged [lua-table]
This tag refers to the table type in Lua that implements associative arrays.
lua-table
1,423
questions
1
vote
0
answers
22
views
Can I change the default hash function?
I is possible to change the default hash function that lua (or luajit) uses for the HashTable part of a talbe ?
I want to speedup table access in pure Lua.
I saw that:
The Default hash function for ...
- 11
2
votes
1
answer
65
views
Lua table.sort invokes the comparing function with the same element
I have stumbled upon a strange behavior of table.sort(), in which the comparing function is invoked by passing the same array element in both parameters.
Consider the code below. I want to sort the ...
- 5,336
4
votes
2
answers
84
views
Is there a way to use <const> inside a Lua table?
Since Lua 5.4, the <const> syntax lets us set const variables. I noticed that this doesn't transitively affect fields inside a table.
local x <const> = {
a = {1,2,3},
b = {5,6,7}
}
...
- 457
0
votes
1
answer
41
views
Roblox Studio Lua: Variable changing without being referenced
This is my module script:
local phases = {}
local function getRoleAssignments(playersToAssignRoles, roles)
--Assigns a random player to each role then removes player from list so player can't ...
2
votes
1
answer
75
views
How can I convert a String that is formatted like a table, into a table?
I did find a version of this for a string into a table that splits up the letters of the string, but I have a table, that I turn into a string to remove the first part of it, and now I want it back as ...
- 23
1
vote
1
answer
34
views
Comparing multiple values in a table makes it that it choses to compare only one randomly
I am making a tetris clone in love2d (lua) for practice. And what I am trying to do is to make the collins with the walls.
Note:the tetris pieces are made out of tiles that each one has a relative ...
- 13
0
votes
0
answers
54
views
Fivem JS not updating UI
I'm having trouble getting my script to update the UI with Lua data. I've handled the JavaScript part to the best of my ability as I'm reacquainting myself with frontend development. My friend and I ...
- 1
1
vote
1
answer
54
views
Dual representation and proxies to achieve privacy in Lua
I am reading Programming in Lua, 4th edition with an intention to solve every exercise in that book. The last exercise in Chapter 21 p. 172 is the following (emphs are mine):
A variation of the dual ...
- 653
0
votes
1
answer
42
views
Avoid for table of table to mantain same memory allocation when inserted to another table [duplicate]
In Lua 5.3, I have a table t1 in which there is only a table, the latter table consisting only of a key [key] pointing to the value 1.
t1 = {{key = 1}}
My goal is to copy and insert the inner table ...
- 1
2
votes
3
answers
254
views
Lua: is there a need to use hash of string as a key in lua tables
I want to keep a list of words (let's say 20k). The only purpose of it is to check if the given word exists there. So, it's going be something known as a hash set.
-- dict here is just an example, it'...
- 353
1
vote
1
answer
47
views
How to reference first entry in keyless table in Lua?
I have a table defined like so:
local foo =
{
bar =
{
{ ['baz'] = "A sample string", ['qux'] = 128 },
},
}
Obviously, the is a small part of a much larger algorithm. I'...
- 14.1k
-1
votes
1
answer
43
views
How to make table from io.read in lua
I want to make a Table in lua with io.read, This is my code:
local members = {}
io.write("How many members you wanna add? ")
local memberNum = io.read("n")
print("Add new ...
0
votes
1
answer
53
views
Is it possible to use a variable as a field name in a lua table?
I am new to Lua and am writing a program for a tool changer on my CNC machine. Each tool pocket's detail is stored as an entry in a table, the table looks like:
local PocketDetails = {
...
- 1
2
votes
1
answer
43
views
Lua table created in C returns strange values for integers
I want to create a nested table, that shall look like this:
{
SA_1: {1,2,3,4},
SA_2: {11,22,33,44}
}
The code I have (I changed the SA_2 to strings for testing purposes):
int myRegisteredCfunc:
{
...
- 63
2
votes
1
answer
53
views
How to remove elements inside a table based on a value of those elements?
Iam trying to remove elements in a table which have a certain value
test = {
{
id = 473385593,
deleted = true,
},
{
id = 473385619,
deleted = true,
},
...
- 336