Applications often show or hide elements based on viewport dimensions, or may have components that behave differently (like mobile vs desktop navigation menus).
Since you want your integration tests to behave consistently, you want to set a specif...

The way MySQL's FULLTEXT tokenizer splits text into word tokens might not always be what you need. E.g. it splits a word at period characters.

Since the tokenizer has near-zero configuration options (minimum word length and stopwords list), you n...

When using the json gem, you might run into this error when using JSON.parse:

>> json = 'foo'.to_json
>> JSON.parse(json)
JSON::ParserError: 757: unexpected token at '"foo"'
	from /.../gems/json-...

When you want to copy/move from a shared folder (on Windows guests, for example) and it fails with absurd error messages (lots of text or an error about the target being read-only), you are probably running on Guest Additions that no longer match ...

The way Rational#to_s works on Ruby has changed from Ruby 1.9 on. Here is how to get the old behavior back.

You may want this for things where Rationals are being used, like when subtracting Date objects from one another.

What's happening?...

Chrome has discontinued support for 32-Bit Linux builds and this might break your apt-get update.

To fix this, you need to update your APT source. This command does that automagically for you:

sudo sed -i -e 's/deb http/deb [arch=amd64] ht...

We have a big flat screen TV (Samsung LE46c650l1kxxu) in our conference room. Configuring it properly, we were encountering some issues.
This is a list of issues, providing a solution to each.

No sound with DVI/HDMI and separate audio

Ther...

Here is how to use Chromedriver without libraries like selenium-webdriver. This can be useful for debugging.

The following example visits a web page and reads the a headline's text contents.

1. Create a session:

   curl -XPOST http://l...