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the last three versions of the program -- each 420,000 lines long-had just one error each. The last 11 versions of this software had a total of 17 errors. Commercial programs of equivalent complexity would have 5,000 errors. Take the upgrade of the software to permit the shuttle to navigate with Global Positioning Satellites, a change that involves just 1.5% of the program, or 6,366 lines of code. The specs for that one change run 2,500 pages, a volume thicker than a phone book. The specs for the current program fill 30 volumes and run 40,000 pages.

MALLOC_ARENA_MAX - starting with GLIBC Version 2.10 and higher, a new feature has emerged to help address memory locations and proximity to processor cores. Prior to this feature, everything stayed within one memory pool, so the data didn't get "closer" to the cores. . However, we have discovered that when fully utilized in CentOS/RHEL 6.x, this functionality can also generate negative side effects as excessive memory utilization.

As of today, all support for Ruby 1.9.3 has ended. Bug and security fixes from more recent Ruby versions will no longer be backported to 1.9.3.

necakane skoro :| som zvedavy, pri ktorej verzii zakotvia nase projekty. Ruby v2.1 ma nejake problemy s GC http://stackoverflow.com/questions/27102565/memory-usage-increase-with-ruby-2-1-versus-ruby-2-0-or-1-9 a webafis uz podporuje Ruby 2.0+ ?

Aj vas irituje nemoznost menit commit messages? Zaujimalo ma vzdy preco, ci to ma dobre odovodnenie a dnes som to nahodou nasiel: The message from Linus Torvalds may answer your question: Modify/edit old commit messages Short answer: you can not (if pushed). extract (Linus refers to BitKeeper as BK): Side note, just out of historical interest: in BK you could. And if you're used to it (like I was) it was really quite practical. Co ja viem, podla mna nie az tak rozumne, ved moznost commit-ovat davame tym ktorym verime, ja nevidim take velke riziko v tom, ked commiters mozu menit messages. Stava sa mi, ze si pomylil cislo JIRA issue a uz je neskoro, nic sa s tym neda spravit. Vtedy ma mrzi, ze som clovek :)

mercurial na to ma feature ktora je natolko specialna ze ani nie je v beznom release :), ak som to pochopil spravne je to nieco ako meta-verzionovanie: http://mercurial.selenic.com/wiki/EvolveExtension