Spring short vacation 2012

In Japan, last week of April and first week of May are short vacation weeks. Of course, I take a short vacation, so I suspend posts and comments to this blog for a moment. Resume will be May 7, 2012.

Arguments of set command on memcached telnet (2)

(continued from phosphorescence: Arguments of set command on memcached telnet (1))

3rd argument : expiration time

3rd argument(e.g. 0) is the expiration time. If you set zero to this argument, there is no expiration. If you set any positive numbers, value is deleted automatically after the seconds of expiration time.

set some_key 2 15 1
c
STORED
get some_key
VALUE some_key 2 1
c
END

After 15 seconds,

get some_key
END

4th argument : byte length

4th argument(e.g. 1) is the byte length of value.

set some_key 3 0 1
d
STORED
replace some_key 3 0 1
HeCLIENT_ERROR bad data chunk
llo World
ERROR
replace some_key 3 0 11
Hello World
STORED
get some_key
VALUE some_key 3 11
Hello World
END

Ruby 1.9.3-p194 has been released, and mruby

In yesterday, Ruby 1.9.3 p194 has bean released.

And, mruby has opened its repository. This is the first release not only for embedded environment but also based on Ruby's ISO. Currently, mruby is a pre-trial version, but, I checked succeeding to compile with gcc/bison(Linux, MinGW) and to do "Hello World".

Arguments of set command on memcached telnet (1)

On memcached telnet, set command has 4 arguments:

set some_key 0 0 1

Of course, 1st argument(e.g. some_key) is the key. But, what are rest of arguments?

AsiaBSDCon 2012

3 weeks ago, AsiaBSDCon 2012 was held.

大きな地図で見る
I attend these 4 workshops.