Margus Roo – – Page 41 – If you're inventing and pioneering, you have to be willing to be misunderstood for long periods of time

tcpdump hints

Posted on December 17, 2010 by margusja

tcpdump -s 65535 -i any port 11211 -w memcache.log

Presidendiga koos pildil

Posted on December 13, 2010 - December 13, 2010 by margusja

Ei juhtu just tihti, et härra presidendiga ühele pildile satud. Minu päev oli siis täna.

Iphone XCode SQLite delete

Posted on December 9, 2010 by margusja

Now I can even delete row from the SQLite via in Iphone app. What could I do tomorrow!!!

Minu esimene IPhone SQLite app

Posted on December 4, 2010 by margusja

Esimene samm on alati kõige raskem. Järgmine samm on ilmselt see, et oma eek2eur appilse lisan sqlite toe, et salvestada konvertimisi.

Shell scripting hints

Posted on December 1, 2010 by margusja

Condition hints:

-b file = True if the file exists and is block special file.
-c file = True if the file exists and is character special file.
-d file = True if the file exists and is a directory.
-e file = True if the file exists.
-f file = True if the file exists and is a regular file
-g file = True if the file exists and the set-group-id bit is set.
-k file = True if the files’ “sticky” bit is set.
-L file = True if the file exists and is a symbolic link.
-p file = True if the file exists and is a named pipe.
-r file = True if the file exists and is readable.
-s file = True if the file exists and its size is greater than zero.
-s file = True if the file exists and is a socket.
-t fd = True if the file descriptor is opened on a terminal.
-u file = True if the file exists and its set-user-id bit is set.
-w file = True if the file exists and is writable.
-x file = True if the file exists and is executable.
-O file = True if the file exists and is owned by the effective user id.
-G file = True if the file exists and is owned by the effective group id. file1
–nt file2 = True if file1 is newer, by modification date, than file2. file1 ot file2 = True if file1 is older than file2. file1 ef file2 = True if file1 and file2 have the same device and inode numbers.
-z string = True if the length of the string is 0.
-n string = True if the length of the string is non-zero.
string1 = string2 = True if the strings are equal.
string1 != string2 = True if the strings are not equal.
!expr = True if the expr evaluates to false.
expr1 –a expr2 = True if both expr1 and expr2 are true.
expr1 –o expr2 = True is either expr1 or expr2 is true.