color

CSS border-bottom dotted RGB color opacity setting

As a quick note, if you ever want to created a dotted border that has some RGB opacity to it, I just used the following CSS code to style some hyperlinks, and I can confirm that it works:

Scary font ideas

I’m working on cover designs for my new “Functional Programming in Scala” book, and I want the words Functional Programming to be scary or intimidating. These are some different font ideas. The red fonts seem to get the “scary” point across well, though I suspect that some combinations of grays and white can also work.

How to create an Android Color from a hexadecimal/HTML string (#fff)

Android FAQ: How can I create a Color from a hexadecimal color string in Android?

The Android Color.parseColor method

Solution: Use the Android Color.parseColor method, like this:

int color = Color.parseColor("#519c3f");

I just used it like this in my code, where I directly set the Paint color:

How to draw a rectangle in Android (using onDraw method of View)

Android FAQ: How do I draw a rectangle in Android?

To draw a rectangle in Android you’ll need to create your own View, i.e., a class that extends the Android View class. For example, this CustomView shows how to extend a View and then use the Rect and Paint classes along with the onDraw method to draw a rectangle:

How to make a color transparent in Gimp

I was recently working on some images of a mobile phone, where the mobile phone was surrounded by a solid color that I wanted to make transparent. Unfortunately the phone was black, and that color was dark gray, so when I made the dark gray a transparent color in Gimp using my usual approach -- clicking Colors > Color to Alpha, then choosing dark gray -- it had the effect of bleeding a lot of color out of the black phone. This was wrong.

How to control/configure vim colors

vim colors FAQ: Can you provide details on how to control/configure colors in the vim editor (vim color settings)?

When using vim syntax highlighting, a common complaint is that the default color scheme is a little too bold. In this article I'll try to demonstrate how you can change the colors in vim to be a little more pleasing, or at least be more in your control.