Tag: tips

All the articles with the tag "tips".

• Aspectos no técnicos claves en un proceso de selección tech

  15 Jun, 2025

  Cuando pensamos en un proceso de selección para un puesto tech solemos enfocarnos en las habilidades técnicas, lenguajes de programación, algoritmos, estructuras de datos, etc. Sin embargo, las empresas valoran cada vez más los aspectos no técnicos, ya que pueden ser determinantes para el éxito dentro del equipo y la organización.

• How to slice or get symbols from a unicode string with emojis in JavaScript? Lets learn how JavaScript represent strings

  5 Dec, 2021

  Everybody loves JavaScript (or not)! It's easy, powerful and fun (or not) but then one day you found something weird that makes you learn something new and that's fine (or not). If you don't know why `"😄".charAt(0)` returns `�` or why `"🌍".length` is equal 2 then this article if for you. Do you really know how to handle strings in JavaScript?

• How to update a column's type (in PostgreSQL)

  4 Jan, 2020

  So, you have a table and you need to modify a column's type. The problem arise when the column is filled and the type change is incompatible, for example, from string to integer, so **how we can update the type and recompute the filled values to the new type?**

• Working with query params in JavaScript with URLSearchParams

  9 Nov, 2019

  No matter if you work with JavaScript at client or server side, at some point you'll need to work with urls and its query params. As example, I'm currently using [react-router](https://reacttraining.com/react-router/web) in my project, which is an great tool. I can define dynamic routes with path params and easily react-router returns me these params within the `match` variable and the rest of url information in the `location` variable, but how can I easily access to query params?