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3045 discussions

Pike conference 2007 - immediate release
by Matt Hardy - Webhaven via Martin Baehr 14 Sep '07

14 Sep '07

(forwarding this for matt, martin) Greetings, I am pleased to inform everyone concerned that the most preferred dates have been confirmed and facilities booked in Copenhagen, Denmark. 14 + 15 + 16 November 2007. First 2 days will be located at Copenhagen University. Last official day is at a carrier neutral datacentre also located in Copenhagen. Further days, for those who have time to stay longer, are TBA, depending on interest. I now hope everyone can look at calendars to ensure they have adequate time to attend the official program, it will be a very good chance to carry on discussions from last year in Riga, as well as discuss new developments undertaken since. All submissions for presentation or discussion topics are welcome. Please forward your submissions to the list, and/or you can attach documents by email to matt(a)webhaven.eu We will construct a 2007 website and publish a clear program for the 3 days. Pike Conference 2007 Copenhagen, Denmark ---->8------ if (Human.Programmer("meaning you")->wants_to_go()) { go(); } ----8<------

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Structured data mk III
by Henrik Grubbstr�m (Lysator) ＠ Pike (-) developers forum 02 Sep '07

02 Sep '07

I've just made some experiments for a replacement to ADT.struct and ADT.Struct: > program struct = >> ADT.Serialize.SimpleStruct("struct", >> ADT.Serialize.Int32, "integer", >> ADT.Serialize.SimpleStruct("substruct", >> ADT.Serialize.String, "data" >> ), "sub"); > object o = struct(14); > indices(o); (1) Result: ({ /* 5 elements */ "encode", "decode", "_integer", "integer", "sub" }) > o->integer; (2) Result: 14 > o->sub; (3) Result: substruct() > o->sub->data = "foobar"; (4) Result: "foobar" A decent encoding API is easy: > o->encode(); (5) Result: "\0\0\0\16foobar" Now to the hard part; a streaming decoder API... As far as I know, there are two main approaches: * Pull -- the user sends a data source (eg a file object) to the object, and it's up to the object to actually read the data. * Push -- the user reads the data in segments (typically with non-blocking I/O), and pushes it into the object. The Pull API is the easiest to implement, but it has the following problems: * Does not support non-blocking I/O. * Error recovery is complicated (eg if the source is a pipe/socket). * Extra over-head for the common case where you already have read the data. The Push API on the other hand has the following problems: * How to find where to restart the decoding when more data arrives. * How to signal that more data is needed/too much data was received. Suggestions?

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Re: pikefarm?
by Johan Sundstr�m (Achtung Liebe!) ＠ Pike (-) developers forum 31 Aug '07

31 Aug '07

Past half-a-year's commits stats, by order of most active committer: 278 grubba 125 mast 52 nilsson 36 mbaehr 31 peter 30 distmaker 16 marcus 10 per 9 bill 5 jhs 2 ldillon 2 jonasw Figures were in the same order of magnitude at the time we initially set up pikefarm, and grubba's preferences were, of course, given due weight. :-)

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pikefarm?
by Martin Bähr 31 Aug '07

31 Aug '07

hi, why did my last checkin trigger a pikefarm rebuild? i don't remember that happening automaticly before. in particular i think a rebuild makes not much sense on changes in the pike code (as opposed to c) greetings, martin.

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RE: setenv and putenv
by PeterPan 31 Aug '07

31 Aug '07

I just suggest maybe passing setenv and putenv down to C lib is better. Xuesong Guo -----Original Message----- From: 'Martin Baehr' [mailto:mbaehr@email.archlab.tuwien.ac.at] Sent: Friday, August 31, 2007 3:56 PM To: PeterPan Subject: Re: setenv and putenv On Fri, Aug 31, 2007 at 03:51:48PM +0800, PeterPan wrote: > I wrote a Cmod using FastCGI, the c code of libfcgi changed the real > env, but the real env is not visible in pike. not sure how i can help, please send your reply to the list. greetings, martin. -- cooperative communication with sTeam - caudium, pike, roxen and unix offering: programming, training and administration - anywhere in the world -- pike programmer working in new zealand open-steam.org|webhaven.co.nz unix system- bahai.or.at iaeste.(tuwien.ac|or).at administrator (caudium|gotpike).org is.schon.org Martin Bähr http://www.iaeste.or.at/~mbaehr/

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Hilfe
by Martin Nilsson (Opera Mini - AFK!) ＠ Pike (-) developers forum 31 Aug '07

31 Aug '07

While you are looking at bugs Martin, please fix so that backspace works again in Hilfe in Pike 7.7 (instead of performing help).

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Local.pmod error
by Martin Bähr 30 Aug '07

30 Aug '07

Robert J. Budzynski triggerd the following error when loading a pmod file: Pike v7.7 release 34 running Hilfe v3.5 (Incremental Pike Frontend) > object foo =Local.PiXPull(); Compiler Error: 1:Error looking up 'PiXPull' in module 'Local'. Compiler Exception: Cast "/local/users/mbaehr/tomoyo/pike_modules/PiXPull" to program failed in "/local/users/mbaehr/tomoyo/src/pike/Pike-7.7/lib/modules/Local.pmod". src/pike/Pike-7.7/lib/master.pike:1175: master()->cast_to_program("/local/users/mbaehr/tomoyo/pike_modules/PiXPull ","/local/users/mbaehr/tomoyo/src/pike/Pike-7.7/lib/modules/Local.pmod",UN DEFINED) src/pike/Pike-7.7/lib/modules/Local.pmod:34: Local->`[]("PiXPull") i found a fix, which i hope is right, commited to 7.7 however the error is also present in 7.6, so someone with the confidence to make changes to the stable tree, please backport it. greetings, martin.

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puzzling mapping lookup problem
by H. William Welliver III 28 Aug '07

28 Aug '07

I'm having a problem with a mapping lookup on the C level. The index is a string, and even though I know that the mapping that contains the string I want, I get a null value. I did a little looking, and it appears that even though the lookup occurrs on two pike strings of the same length and same characters, they aren't the same strings. I'm assuming that this is the reason the search is failing, but I can't imagine why they're not the same string. I've confirmed that the source strings have the same character values, and it looks like the hash value is the same. Any ideas what I'm doing wrong? Bill (gdb) print /a classname $3 = 0x1849c20 (gdb) print *classname $4 = { refs = 3, flags = 4, size_shift = 0, len = 10, hval = 2550908153, next = 0x1128990, str = "N" } (gdb) print /a classname $5 = 0x184afd4 (gdb) print *classname $6 = { refs = 1, flags = 4, size_shift = 0, len = 10, hval = 2550908153, next = 0x1128990, str = "N" }

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odd behavior -> add_function_constant()
by H. William Welliver III 24 Aug '07

24 Aug '07

Well, perhaps not directly related to add_function_constant(). I've got some code that generates programs dynamically, and it uses add_function_constant() to add methods to the program. The first odd behavior is that these functions are callable without instantiating the object. That's actually a useful property for me, as I can emulate class methods, and access them at My.Class.somefunc(). The odd part is that if I have code that makes calls to these "class" methods, and I use low_cast_to_program() to get that code, the calls to My.Class.somefunc() get executed at compile time, but not when the code that uses them is called. Example: void somefunc() { object panel = Cocoa.NSOpenPanel.openPanel(); // this method is executed at compile time, and not when somefunc() is called. panel->run(); // this seems to work anyhow, so panel must be a valid object. } Can anyone explain this? I realize it's possible that I'm improperly using an unintended side effect, in which case I'd voice my support for class (Java-static) methods. Bill

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gb_low_backend_once
by H. William Welliver III 24 Aug '07

24 Aug '07

Any chance of making this PMOD_EXPORT? I'd like to be able to call if from external code.

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