jconsole: “Connection Failed: Retry?” #SOLVED #java #jmx

So you wrote a piece of server software and you found out about JMX and the jconsole tool to remotely monitor all sorts of interesting metrics remotely, all without adding a single line of code to your project. Say you want to run it the simplest way possible with no authentication, the tutorial says that […]

Discussion: Water as a medium of Intercontinental High Speeds Data Transfer

If water can transfer sound (low frequencies) 4 times faster than air, can it do the same for higher frequencies? could you encode megabits/s at an ideal physical frequency range and transmit it over rivers, seas, or even oceans? I’m thinking that the Air is probably one of the worst data transmission mediums available, it’s […]

Mercurial for Subversion Expats: Merging remote changes. “abort: push creates new remote heads!”

Commit anywhere/anytime with Mercurial So you have been using subversion for the past few years and now your team has decided to move on to Mercurial for all the benefits. Two or more people are working on the same branch and they’re pushing code to the main copy of the repository before you’re done with […]