Blogs

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I just found my good old crontab template, which provides some nice formatting and documentation features. Just for our convenience, I paste it in here. # .---------------- minute (0 - 59) # | .------------- hour (0 - 23) # | | .---------- day of month (1 - 31) # | | | .------- month (1 - 12) OR jan,feb,mar,apr ... # | | | | .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat # | | | | | # * * * * * command to be executed # * * * * * command --arg1 --arg2 file1 file2 2>&1 You don’t need to care about the artificial line break too much - it’s only in the html display, simply select above text and copy it to the start of your crontab file. ...

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Yesterday I stumbled over a problem using XCode 3. I was caused by a library, which was based on plain Makefiles. I tried to use this library in my XCode project, but anyhow, I always got the same error while linking. The object of a global function of the library could not be found, and the argument list showed a strange vector type: __gnu_debug_def::vector<...> Anyhow, after loads of investigation ;) I found two defines, set by XCode in debug mode: ...

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Today I needed to send a mail to a mailing list, which I joined using an old mail address, which turned into an alias only address a while ago. I hence needed to send a single mail to the list with this old address and did not want to add it as an identity to my mail application - it simply wasn’t worth the effort. Luckily, it is possible to overwrite the mail headers using the command line mail application under *nix and I simply logged into my server and sent the mail using the following command: ...