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16 Oct 09

danieltenner.com — What problems does Google Wave solve?

"The way Google should have advertised Wave is: it solves the problems with email”

danieltenner.com/...0012-google-wave.html - Preview

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The way Google should have advertised Wave is: “it solves the problems with email”

10 Dec 08

plope - Wherefore CouchDB for ZODB Users

"All in all, CouchDB is a neat piece of software. If I ever have to build an application that needs to store data that needs to be accessible from programs written in langauges other than Python across HTTP and I don't need to use a relational database, it seems like a great solution."

plope.com/...wherefore_couchdb - Preview

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I didn't understand why
folks were excited about CouchDB given that a good number of its
features (append-only storage and "schemaless design" in particular)
have been present in ZODB for a
little under ten years now. Even more in particular, I was really
baffled as to why Python developers were excited about such a system
given the availability of ZODB.
I think I understand a bit better now. ZODB and CouchDB are quite
similar in a lot of respects, but CouchDB beats ZODB on a narrow set
of goals that seem to be becoming more important
10 more annotations...
- the documented way to
  talk to CouchDB is over HTTP, and because you send it JSON primitives
  containing data structures, it can be used from just about any program
  written in just about any language. And given that most folks are not
  accustomed to being able to access any database without dark-magic C
  bindings that speak strange connection-oriented TCP protocols (or the
  equivalent embedded usually-crashy C bindings and awkward APIs), this
  is probably a novelty for many users.
- CouchDB has a built-in
  indexing and querying facility, in the form of
  Views.
  This is something that ZODB does not share. Instead, ZODB relies on
  applications that are built on top of it to provide indexing
  capabilities. Moreover, creating indexes in applications that use
  ZODB is historically a static kind of thing that the application
  developer does "up front", or at least as a "software release" sort of
  thing. In CouchDB, creating an index is not really an exceptional
  sort of event. You tell the server, over HTTP, to create the index by
  PUT-ing a view. The first time any view is queried, CouchDB does the
  indexing. The following times the view is queried, it uses the index
  you've created via the view to return the results faster. No
  application that I know of written on top of ZODB allows you to do
  such a thing so casually.
- All in all, CouchDB is a neat piece of software. If I ever have to
  build an application that needs to store data that needs to be
  accessible from programs written in langauges other than Python across
  HTTP and I don't need to use a relational database, it seems like a
  great solution.
- ZODB is probably still a better choice if your application is 100%
  Python and you want arbitrary application database write logic to be
  bounded within a single transaction.
- if you need to store large amounts of
  data (like arbitrary numbers of multimegabyte or multigigabyte files),
  ZODB is also probably a better choice, as it has blobs built in, and
  the blobs don't need to be base64 encoded in memory as "attachments"
- if you need to
  store data structures that cannot be represented as JSON (like complex
  object instances), ZODB really can't be beat.
- CouchDB no longer requires encoding
  binary data in base64. Attachments for documents (that work just like email
  attachments) have their own REST API since this summer where you can
  send the raw binary data to create and retrieve documents. So storing loads
  of data is no longer a bad idea.
- You can think of a ZODB database
  as a place to hang a graph of arbitrary Python objects that becomes
  persistent. It's sort of an "uber-pickle"
- You can use packages like
  repoze.catalog to do indexing
  and querying of object data that is inserted into the graph. You can
  use packages like
  repoze.folder to hold
  large collections of objects.
- The "Zope" in ZODB is a
  "brand-only" name; it does not require Zope; it can be used in any
  Python application.

04 Mar 08

Inside Google's mobile future - Network World

"My biggest concern with Android is that I find nothing compelling in it that sets it apart from other handheld OSes. Though one might be tempted to point to the inclusion of the SQLite database engine as significant, I am unconvinced"

www.networkworld.com/...708-inside-googles-mobile.html - Preview

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03 Mar 08

Hands-On with New Windows Mobile Browsers - News and Analysis by PC Magazine

www.pcmag.com/...0,2704,2260178,00.asp - Preview

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07 Feb 08

Motion Mountain - The Adventure of Physics : The Free Physics Textbook

"With little mathematics, starting from observations of everyday life, the text explores the most fascinating parts of mechanics, thermodynamics, special and general relativity, electrodynamics, quantum theory and modern attempts at unification."

www.motionmountain.net - Preview

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11 Dec 07

Wiki4D: LanguagesVersusD

Detailed feature-by-feature comparison of various programming languages, including D, C, C++, C#, Java, Delphi, Eiffel, Ada, Haskell, Sather, Common Lisp, Smalltalk, Perl, Python and Ruby.

www.prowiki.org/...wiki.cgi - Preview

programming languages comparison overview chart D C c++ C# Java Delphi Eiffel Ada Haskell Sather Common Lisp Smalltalk Perl Python Ruby

28 Nov 07

Firefox 3.0 Beta 1 Features

"A few days ago Firefox 3.0 Beta 1 was released. This is a major revision packed with some seriously awesome features. Here's a rundown of some of the major features for normal users, power users, and developers"

www.netfxharmonics.com/...Firefox-30-Beta-1-Features - Preview

firefox javascript browser 3.0beta features list analysis overview

18 Nov 07

StyleIgnite.com > Articles

www.styleignite.com/...orful-and-horizontally-divided - Preview

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29 Oct 07

Zero to Riding the Rails in Four Months

"within days we were already starting to see an application take shape. What would have taken us days to change and test in our old environment we could do in minutes in Rails. The phrase, 'Wow, I can’t believe how easy this is' was repeated time and ag

hackd.wordpress.com/...iding-the-rails-in-four-months - Preview

rails resources overview rubyonrails hosting startup advice experience webdev web2.0

19 Oct 07

Designing URLs for Multilingual Web Sites

7 paths to multilingual URLs: Language-specific Sub-domains, Modified Directory Structure, Language Code in Querystring, Country-specific TLDs, Pure Cookie-based Preference, Use of Accept-Language HTTP Header & Semi-colon Path Parameter at End of Path

h3h.net/...rls-for-multilingual-web-sites - Preview

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11 Oct 07

Features of Common Lisp

List and explanation of 25 features that make Common Lisp uniquely powerful, including: Rich & exact arithmetic, Generalized references, Multiple values, Macros, Nonlocal control transfer, Functional functions, Multiple dispatch, Programmable parser.

abhishek.geek.nz/lisp-features - Preview

lisp overview examples functional common-lisp advocacy

02 Oct 07

Introduction to Forth for Scientists and Engineers

Online Forth overview slides

ccreweb.org/...text0.html - Preview

forth overview slides programming

Comparação entre Rails e Django

"Rails [...] está anos luz à frente [do Django]. A definição de tabelas utilizando sintaxe Ruby, a definição de modelos de forma DRY, o controle da evolução do banco de dados de forma trivial, os testes com RSpec facilmente integrados à aplicaç

blogs.floriparug.org/...omparacao-entre-rails-e-django - Preview

django rails rubyonrails web2.0 webdev comparison overview python ruby