safer | 🧷 A safer writer 🧷 | Caching library

Actor isolation and re-entrancy is now implemented in the Swift stdlib. So, Apple recommends using the model for concurrent logic with many new concurrency features to avoid data races. Instead of lock-based synchronisation (lots of boilerplate), we now have a much cleaner alternative. There are a couple of solutions here (see below).

The simplest possible. Apple have made the process much cleaner using the @MainActor method annotation:

When I invalidate, I use the '/*' specifier, and it invalidates everything. Works every time for us.

There would be some nominal increase in processing time and cost, but I don't believe it is significant.

Don't name your table table. table is Lua's table libray.

table[1] = var will acutally not create a new table. it will assign var to field 1 in the table library's table.

You need to create a table befor you can insert fields.

local t = {var} creates a new table that contains a single element var. If var is nil the table is empty.

As pointed out in the comments, ideally you would want to import the code and run it directly from your main script/program (if it's Python code).

However, that's not always possible, in which case the recommended way of running external code is with help of the subprocess module, either via subprocess.run() for simple invocations, e.g.:

I finally solved the issue by tuning the fetcharraysize and the prefetchrows attributes as suggested by Christopher Jones.

I dramatically improved the performance by setting the values of the attributes, and no more time-outs and error messages!

Thanks very much all who helped! :-)

JF

Actually, the major difference between using Vue or Vuex state management is about controlling the growing data on your web app. As soon as you notice that your components need to have an abstract data source, it’s time to stop using props and events and switch to Vuex. BUT it is safe to control authentication on the frontend based solely on Vuex.

Logic & data

Sometimes you need to separate the implementation of a certain complex logic from your components, especially if this logic is related to other components in your system, like authentication.

Vuex is a popular way to handle a complex app’s authentication in Vue. With Vuex, you’re able to handle the token’s availability and access controls, and route blocks throughout your app. Mutations, getters, and setters assist with this task.

This pattern allows you to entirely separate the authentication logic from the app’s logic while keeping your authentication flow traceable and your data accessible.

Vuex also eases unit testing on your whole app, which may be helpful if your app grows in complexity, making your state difficult to manage. However, you can absolutely complete testing without ever using Vuex.

That is just a syntax sugar. With deconstruction you can control the name of the tuple items.

Check this gist I created.

For this C# code:

The Stdio library, which is a part of the Janestreet industrial-strength standard library, already provides such functions, which are, of course safe, e.g., In_channel.read_all reads the contents of the file to a string and corresponding Out_channel.write_all writes it to a file, so we can implement a cp utility as,

The only allowed way of doing this is with std::memcpy: