I'm working on an express.js project, using Sequelize as the orm, and postgres as the engine. I'm working on improving the performance of a slow select query that does many things, and one of them is comparing the acronym of…
I've created a regex pattern to match sequences of digits that can be ascending or descending, like 12345, 123, 321, 6789, 7654, etc. However, I believe this approach may not be the most efficient or professional way to achieve this…
So it is possible to fall-through the case to another case: switch(variable) { case 1: // do something 1 case 2: // do something 2 break; case 3: // do something 3 break; } But what if we would want…
Using PostgreSQL, how can I replace all forward slashes by a hyphen after 5 occurrences of a forward slash like so: https://this/is/a/very/long/url to this : https://this/is/a/very-long-url
I encountered a TypeError with data received from an API. To simulate the issue clearly, I have provided a code example below: //This is mock data to simulate the API. //The length of the array or the keys is not…
I have a sequence of folders containing mp4 files (one mp4 in one folder). Folders are numbered sequentially like this example: .. .. 18. Lesson 18 - Sketching a design to cut out 19. Lesson 19 - How to create…
I want to improve performance of my queries using GIN index on jsonb column for pattern matching For example, I have a table defined as: CREATE TABLE my_table ( uuid text, doc jsonb ); In every row of table doc…
I am new to Javascript and I'm currently learning how to print messages in consoles with the help of for and while loops. I am just trying to print patterns starting with a simple triangle for which I wrote the…
Since i try to used this regular expression /names+([A-Za-z0-9]+(?:-[A-Za-z0-9]+)*[A-Za-z0-9])(?!S)/g; my input that i want is for example: name test name test-name name test-name-2 but when i try to check this input it's also allowed name test-name anytext what i want…
My table has 650M rows (according to a fast but decently precise estimate from a query I found here). It has a text column called receiver_account_id, and I need to be able to search those records like: r.receiver_account_id LIKE '%otherWordsHere'.…