can you setasync in a localo script roblox lua

by Darren DuBuque 7 min read
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It is possible to do this within a LocalScript, however it is certainly not advised. Anyone can exploit the functions within the script. Moving it to a server side script and using RemoteEvents are the best idea.

Full Answer

How to get started with Roblox scripting?

This is a quick way to get started with Roblox scripting. You can of course create your own object and add a script for it using the same steps. Lua is a dynamically-typed language. Dynamic typing means that a variable can store any type of data. A variable uses the nil type when it should have no value. You might think this is zero but it’s not.

Why learn Roblox scripting with Lua?

Learning Roblox scripting with Lua is a lot of fun. Once you understand the basics you’ll be able to use these skills to build your creative ideas in Roblox.

What is setasync and why is it bad?

SetAsync is one and done; you either get an error value or you don’t. If you have multiple servers potentially editing data (includes servers that write to data in less than 6 seconds apart), SetAsync calls will overstep each other and effectively brute force a value into a DataStore.

What is a yielding function in Lua?

This is a yielding function. When called, it will pause the Lua thread that called the function until a result is ready to be returned, without interrupting other scripts. For thread safety, this property is not safe to read in an unsynchronized thread. This function sets the latest value, Player/UserId|UserIds, and metadata for the given key.

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What is SetAsync roblox?

Update. GlobalDataStore:SetAsync is best for a quick update of a specific key, and it only counts against the write limit. However, it may cause data inconsistency if two servers attempt to set the same key at the same time.

What is DataStore2 Roblox?

DataStore2 is a simple to use data store system that caches, leading to significantly faster performance over traditional data stores. This documentation will show you how to use DataStore2 and configure it to your liking.

How do you stop data loss on Roblox?

Tips to avoid data lossSave periodically on a timer.Save on any Robux purchase.Save on exit.For each save, wrap it in a pcall to ensure success.More items...•

What is a Pcall Roblox?

pcall() is a short for Protected Call, if the code inside of this function have an error it will yield until attached function run without any issues and won't stop the rest of the script.

Is DataStore2 good?

I'd highly recommend using this DataStore wrapper (DataStore2) if you are planning to make high quality game on roblox. Using your own DataStore might be risky because of data loss and DataStore2 is stricted to prevent this loss.

What is Rojo Roblox?

Rojo is a tool designed to enable Roblox developers to use professional-grade software engineering tools. With Rojo, it's possible to use industry-leading tools like Visual Studio Code and Git.

What is the Datastore limit in Roblox?

Each Key in a Datastore can hold up to 4MB of data (you have nothing to worry about). The limit you are referring to is the Throttle limit which determines the frequency of which you can make a Datastore request (GetAsync, UpdateAsync, SetAsync, etc).

How do you fix data loss on Roblox studio?

Their is a few things you can do to reduce the chance of data loss:Try and not use DataStores extensively for other things than loading and saving data.Make sure you auto save in regular intervals like every 1 or 2 minutes. ... When updating the players DataStore don't use SetAsync but instead use UpdateAsync.

What is P call?

pcall stands for "protected call". It is used to add error handling to functions. pcall works similar as try-catch in other languages. The advantage of pcall is that the whole execution of the script is not being interrupted if errors occur in functions called with pcall .

Does Pcall yield Roblox?

pcall will infinitely yield when using coroutines. See code below to repro. Everything prints fine, including Yield finished , but Finished yield test will never get printed.

How do you get Pcall error on Roblox?

The pcall will warn if the server tries to access something for the roblox database and for some reason they can't access it. That's when you will get the pcall error which you have to handle. It has nothing to do with the client or their internet connection.

Lua variables

Lua is a dynamically-typed language. Dynamic typing means that a variable can store any type of data.

Code comments

Commenting your code is good for explaining the purpose of a block of code. To add a comment in Lua you can use — symbols. Lua will not execute anything within the comment.

Lua loops

Loops use the for and while language keywords. We use for loops to iterate or run a piece of code on a list. We use while loops to run a block of code until the while loop condition becomes false.

Lua functions

Functions are great for organizing our code into logical pieces. Instead of putting everything into a single function, we can reuse code with simpler functions.

Working with strings

Lua has a string library or a set of functions used just for working with strings.

Tables demystified

In Lua, tables are used for all data structures such as lists, queues, and sets.

Object Oriented Programming with Lua

With Object-Oriented programming (OOP for short) we treat everything as an object that has its own functions and structure. With OOP we have literal types and object types. Literal types include actual numbers and strings while objects include additional functions.

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