Skype screen sharing: Select which monitor to share

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...

Use this if you want to show or hide part of a form if certain options are selected or boxes are checked.

The triggering input gets an data-selects-visibility attribute with a selector for the elements to show or hide, like

<%= form.select...

In order to have monitoring for Sidekiq (like queue sizes, last run of Sidekiq) your application should have a monitoring route which returns a json looking like this:

{
  "sidekiq": {
    "totals": {
      "failed": 343938,
      "proces...

The first thing to do with any new U2410 should be to disable the incredibly annoying beep when pressing any monitor button. Here is the fastest way to achieve that:

• OSD button (above the power button)
• Menu
• 2 × Up (You should be at “Other...

Use option:checked to find the currently selected option:

select.querySelector('option:checked')

Yes, :checked, not :selected.

This is the same as finding an option with the { selected: true } property in JavaScript:

sele...

My T410 has a NVIDIA graphics card (NVS 3100M).

My BIOS configuration looks like this:

• NVIDIA Optimus is disabled in
• "Discrete" mode on
• Internal Intel card deactivated

My X crashed when trying to activate both Dell U2410 monitors connect...

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 ...

Recording

SimpleScreenRecorder

I recommend simplescreenrecorder, it produces an adequate output with only a few clicks. The audio recording contained some static noises, but that might be...

While it might seem trivial to implement an invoice that sums up items and shows net, gross and vat totals, it actually involves a lot of rules and caveats. It is very easy to create invoices where numbers don't add up and a few cents are missing....