[11] Results

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 : 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 : 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 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


Transferring Google Authenticator to new phone

google-authenticator qr-code move-to-a-different-phone

Recently, my old smartphone is showing sign of age and it is time to upgrade to a new phone. Transferring….... read more


Golang : How to return HTTP status code?

golang http status-code mux

Was helping out a friend today on her work and one of the problems that she encountered during coding was….... read more


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