Assuming you have a fresh FreeBSD (or a jail) installed, and you are logged in as root, download the latest version of BIP148 enabled bitcoin sources from here as .tar.gz file and untar it. As of writing it is v0.14.1-uasfsegwit0.3.tar.gz. fetch https://github.com/UASF/bitcoin/archive/v0.14.1-uasfsegwit0.3.tar.gz tar xzvf v0.14.1-uasfsegwit0.3.tar.gz cd bitcoin-0.14.1-uasfsegwit0.3 Next the documentation in ./doc/build-unix.md tells us which… Read More »
Bitcoin was raising, and the price for one Bitcoin is now around the same as for one ounce of gold. So isn't it insane to pay for one Bitcoin as much as for one ounce of gold? According to this article there are currently between 155,244 tonnes and 2.5 million tonnes of gold in the… Read More »
In an earlier post I showed an algorithm to factorize integers using backtracking. The algorithm was implemented in python. Here we have now the same thing in erlang. To run the code, copy the script and save it to a file named "factorize.erl". Then enter a shell and compile the module using the following command:… Read More »
Today I want to compare my both favorite keyboards, an IMB Model M from 1985 and an Hewlet Packard keyboard C1405A from the 90ies. Both keyboards have a good typing sound, a good feedback, both are very heavy wighted, but I don't want to lose too many words, see yourself, which is the better one.… Read More »
You probably know, that you can't enable ssh or telnet on a Cisco AP, until you have set a custom password, different from the default credentials ( username = Cisco, password = Cisco). The Cisco WLC prevents you from that indeed bad practice. But finally, with AC-Tube, the Open Source CAPWAP AC, you are free… Read More »
Here is an algorithm, written in Python, to factorize integers, using backtracking. The time consumption should be around . So it's not the fastest one, but it's nice. To use it, save the code to a file. If you call the file, for example, "factorize.py", then run python factorize.py <integer to factorize> Have fun!
Have you ever missed an important event, because you haven't got the invitation email, but an invitation email was evidently sent to you? If so, you are probably using an email address at hotmail.com or outlook.com or in general Microsoft's mail services, also including addresses at live.com and other domains. The reason for this is… Read More »
For some people it's a must-read: The Untold Story of Silk Road part 1 and part 2.
If you have downloaded a PHP extension from PECL, and you want to modify it before compiling and installing, you might want to do the following. First extract and prepare the files for compiling. # tar xzf extension.tgz # cd extension # phpize #./configure Now modify the files to fit your needs. And then compile… Read More »