Categories
Database Development

How do we implement constraints like a team can have 4 players in a match or a team can have UP TO 8 players?

Basically, the question above. I want to know how do we implement such constraints in mysql?

Categories
Database Development

What is the correct way to make an exact copy of a database with pg_dump?

Basically, I’m trying to make a SQL dump that will make an exact copy of a database: user defined functions, relationships, constraints, tables, data, etc. Is this doable with pg_dump or does psql need to be used instead? I’ve been using pg_dump -U user -cOx database > pg.sql, but it isn’t entirely clear to me […]

Categories
Cryptocurrency Ethereum Mastering Development

Eth.pendingTransactions shows null, while txpool.status shows pending

apologies if this has been posted before, however I could not find a question similar to mine. So, basically, I have managed to setup a local blockchain network using Geth and PoA (clique). It consist of 2 nodes (1 miner) which are successfully connected to each other. I also managed to develop a web application […]

Categories
Graphic Design User Help

Creating print mockups in Adobe Illustrator?

I am very new to working with Illustrator. So, basically, I have this stock image I downloaded from Adobe stock – I have no idea how to put my own images inside the pages! As you can see it is an AI file. I saw that you can do this with Smart Objects in Photoshop […]

Categories
Mastering Development

Is there a way to change a vlookup table_array in VBA?

Basically, I am trying to use VBA to change the VLookup table_array from one tab to another. Currently the VLookup value is something like this =+vLookup($A4,’02.19.21′!$A$1:$O$9000,F$1,False) 02.19.21 is the name of a tab the data is pulling from, but every week a new tab is created with the most recent data, so the next week […]

Categories
Ask Electrical Engineering Engineering

Checking correctness of an instruction and addressing mode

I’m given set of instructions and set of addressing modes that can used. In the first loaded byte is stored operation code of an instruction and in second byte is the addressing mode that instruction uses. I’m supposed to check if there’s an error and if there is, I should activate an insterror (instruction error) […]

Categories
Database Development

SQL Get All Data With The Given IDs And With The Same Data On Single Column

So, basically, I have this table +——————- |id | col1 | name | |—-|——|——| | 1 | a | la | | 2 | b | ria | | 3 | w | la | | 4 | q | la | | 5 | y | ria | |____|______|______| And, what I want to […]

Categories
Ask Games Video Games

Dynmap – Black areas on map refuse to render

Basically, I’ve been running a Minecraft: Java Edition SMP server (on the Fabric modloader), for a few people, and I decided to install Dynmap. It works fine however there are these black areas around the world spawn that refuse to render in on the dynmap (see screenshot), even though the chunks are almost always loaded […]

Categories
Graphic Design User Help

How to put text in infinity symbol on GIMP or Inkscape!

I’m trying to do something in this video here: https://www.youtube.com/watch?v=kt-fI-GKs24 but with GIMP or Inkscape. So, basically, if I convert the infinity symbol to a path, is there an option to put text IN a path, instead of along a path? Just something that looks like the video shown.

Categories
Android User Help

How do I improve audio quality when calling with 3rd party apps? (i.e. Messenger, Discord, Zoom, etc.)

Basically, when I use apps like Discord, Facebook Messenger, Zoom, and Google Meets to call people, it compresses the audio like it would in a normal phone call, even though using those same apps from the desktop give much better audio. How would I go about making this audio sound better and not so compressed? […]