How to disable submit button with jQuery

  • 06 January 2020
  • ADM

For a long submit operation or to avoid users clicking twice a submit button, a common solution is to disable the submit button after user clicked on it.

To disable a button using jQuery you need to add the disabled attribute to the button as true.


How to generate a random int in Golang

  • 27 September 2019
  • ADM

In Golang there a are two libraries for generating random integers, one is a pseudo-random number generator (package math/rand) and the second one is cryptographically secure random number generator (package crypto/rand)


How to trim whitespace from string in Golang

  • 25 September 2019
  • ADM

How to trim (remove) leading and trailing whitespace from string in Golang using the TrimSpace, Trim, TrimLeft, TrimRight methods from strings package.


How to fix apt lock-frontend error in Ubuntu

  • 24 August 2019
  • ADM

How to fix the E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable) error.


How to get the dimensions of an image in Golang

  • 20 June 2019
  • ADM

Here are two simple methods to get the dimensions of an image in Golang: using image.DecodeConfig method if the image is not already loaded and image.Decode method is the image is loaded.


How to split a string into slice in Golang

  • 15 May 2019
  • ADM

How to split a string into slice using Golang. For a simple split by a singular character you can use Split() method from strings package. For more complex rules the regexp.Split() method can be used.