Tool to show you which gems are slow to load: ➜ git:(master) ✗ bundle exec bumbler [################################################# ] (49/65) travis-lint...
OAuth requires a set of params to be carried along requests, among which a nonce. Some libraries pass these along...
Awesome is a very good tiling window manager that provides neat features like automatic layouting of windows, good multi-display...
When creating an index using CREATE INDEX, Postgres will create a B-Tree type index by default. The B-Tree...
You can use JavaScript to get or set cookie values on the client. Using the vanilla JavaScript API
jQuery's deferred objects behave somewhat like standard promises, but not really. One of many subtle differences is that there...
This card existed before, but was outdated due to browser implementation changes. The information below is validated for the current...
To see all jails: fail2ban status Our $JAIL is usually ssh. To see which IPs are banned currently: fail2ban-client...
The attached Coffeescript helper will let you create mouse events: $element = $('div') Trigger.mouseover($element) Trigger.mouseenter($element) Trigger.mousedown($element) Trigger.mouseup($element...
Don't use exec without user parameter If you use exec without user parameter, the command will get executed as...
Enter any command into explainshell and it will explain it to you: split into separate commands (if present), with each...
Sometimes you might want to check a short link for it's destination before clicking on it. Additional you get...
Some modern Javascript APIs return iterators instead of arrays. In plain Javascript you can loop through an iterator using
To upload a file via AJAX (e.g. from an ) you need to wrap your params in a FormData object.
Angular's location provider stalls links to the current URL, i.e. window.location. As soon as the $location service is activated...
If you want to perform a failover on another haproxy backend server this is the way you should do it...
If you try to restart you may encouter the problem that your networking connection gets shutdown but not start again...
When full text search is overkill and like queries do not deliver this might be an approach you could try...
Brendan Gregg is the Linux performance god. Use the information in this link to find out what ways there are...
If you want to inspect the compiled code of your erb (or haml) templates, you can run the following code...
We want to make the following firewall rule to be applyable to different network interfaces (for e.g. different environments...
RSpec provides a nice diff when certain matchers fail. Here is an example where this diff is helpful while comparing...
This will give the target site full access to your Javascript environment through window.opener, if the target is on the...
Stackprof is a sampling call-stack profile for Ruby 2.1+. Instead of tracking all method calls, it will simply collect...