[15] Results

Golang : Encode image to base64 example

golang base64-string qr-code image

We will learn how to convert an image to base64 encoded string in this tutorial. Converting image data to base64….... read more


Golang : How to generate QR codes?

golang qr-codes generate png

In this short tutorial, we will learn how to generate QR codes with the https://godoc.org/code.google.com/p/rsc/qr package. QR codes….... read more


Golang : Dealing with postal or zip code example

golang octal postal-code zip-code padding-zero

Problem :

For some countries, the postal code or zip code starts with zero and this can be problematic for….... read more


Golang : How to generate Code 39 barcode?

golang barcode code-39 paste-image

Additional tutorial on how to use https://github.com/boombuler/barcode package to generate code 39 barcode. Code adapted from previous .... read more


Golang : Find relative luminance or color brightness

golang luminance brightness RGBA color-code

Problem:

You need to find the relative luminance (brightness or perceived brightness) of a color to another color. You also….... read more


Golang : Gomobile init produce "iphoneos" cannot be located error

golang go-mobile x-code iphoneos

Problem :

Golang mobile packages provide support for mobile devices and build tools that allows Golang developers to….... read more


Golang : Intercept and compare HTTP response code example

golang http status-code

Problem :

You want to query a website and intercept the response code. You also want to compare the response….... read more


Golang : Generate QR codes for Google Authenticator App and fix "Cannot interpret QR code" error

golang qr-codes generate png google-authenticator two-factor-authentication

This is a supplement tutorial for the previous tutorial on how to generate QR codes with Golang and….... read more


Advertisement