X-Git-Url: https://codewiz.org/gitweb?p=wiki.git;a=blobdiff_plain;f=JuneBlog;h=25a39e21266847d1924f3d66515718496774d80f;hp=e20c345194546a8cbac5966e6538f19f95fe177a;hb=922803edb045d667b54f1fa5e4aed08d1363aa23;hpb=c698ea0514bd095f6f39743d93d50777e40689d3

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 == June 2007 ==
 
+The story continues in JulyBlog of course.
+
+=== Sat, 30th ===
+
+==== Italian profanity ====
+
+I just found out that "A Cappella" is how Italians say "in the style of the church".
+It's used for music played by human voice instead of instruments.  Yes, indeed.
+Nobody could understand why I was grinning :-)
+
+
+
+==== Random Birthday Paradox ====
+
+I'm writing you this from ChrisBalls's house.  cjb for IRC friends.
+Yesterday was his wife's birthday.  And also the birthday of somebody
+else too.  That's where the title came from: http://en.wikipedia.org/wiki/Birthday_paradox .
+
+We're having a lot of fun and getting drunk very quickly.  Someone
+came with a box of Avocados with a picture of Avogardo saying:
+"let's Party. arriba."  It's the things like these that will make it
+very sad for me to leave this nation.
+
+Food is vegan, and incredibly tasty if you ask me.  There are people
+from the office as well as other nerds from other places.  One guy
+showed up with a tee saying: "shut the fuck up and write some
+code!".  We're listening to TheSoundOfSilence from Xyzzy's (*) mp3 player.
+That's one of my favourite songs, but I thought it was from the Beatles :-)
+
+(*) We'll call her Xyzzy 'cause she doesn't want her name to end up on
+Internet.
+
+
+Xyzzy: remember...all is not as it appears to be and the best place to hide something is in plain sight
+
+Bernie: hmmm... then I guess I'll hide at OLPC and the USCIS won't find me :-)
+
+RandomBirthdayParty.jpg
+RandomBirthdayPartyHouse.jpg
+RandomBirthdayPartyTv.jpg
+RandomBirthdayPartyHall.jpg
+
+
+=== Tue, 26th ===
+
+==== Long time, no C++ ====
+
+The title was inteded to be a joke on "long time, no see", because I've
+not been updating the blog for some time.
+
+But this reminds me that, yes, indeed I've not been doing any C++ for a few
+months now. That's probably irrelevant to most of you... but this is my blog
+and I get to decide what goes in.  Except when *you* edit it.  Damn WikiWikiWeb!
+
+The reason we don't have any C++ in the OLPC is that, in the Linux world,
+C++ never flied that much.  The kernel hackers say it's not well suited
+for kernel programming, and I partially agree.  Of course, C++ can't be
+used for glibc and POSIX system libraries.  Even MicrosoftCompany uses C
+for those.
+
+This leaves us with three more layers to exclude: windowing server,
+desktop and applications.
+
+X11 is written in C for historical reasons.  Since its internals mostly
+deal with interfaces and specialization of interfaces, C++ would have
+been very beneficial.
+
+Gnome also uses C, for no good reason.  KDE is older than Gnome and
+was entirely written in C++, although I clearly remember g++ 2.7.2 being
+quite a painful experience.  The GObject crap in glib and GTK is expecially
+ugly, hard to use and error prone due to lack of good OOP support in the
+language.
+
+And applications?  Well, applications in the OLPC are written in Python
+anyway, like many higher level applications in regular Linux distros.
+
+There's a few exceptions: Mozilla is written in C++ and eToys is written
+in SmallTalk.  I don't know about TamTam.
+
+'''rasky:''' in fact, with the raise of scripting languages and fully-featured
+platforms (like Java's), using C++ for doing almost *anything* is the wrong
+choice. As you said, system programming wants C for several good reasons, and
+almost anything else can be done in scripting language. I think one last thing
+that C++ is still good today at is high-performance libraries (eg: math
+libraries), where you don't want to use C and you need a lot of performance.
+But C++ is feeling more and more like a dead horse...
+
+'''marco:''' About writing kernels in C++: 
+http://okmij.org/ftp/cpp-digest/toy_OS.txt
+
 === Wed, 13th ===
 
 ==== Under pressure ====