Tcl

Tcl (originally from Tool Command Language, but conventionally spelled "Tcl" rather than "TCL"; pronounced as "tickle" or "tee-see-ell") is a scripting language created by John Ousterhout. Originally "born out of frustration", according to the author, with programmers devising their own languages intended to be embedded into applications, Tcl gained acceptance on its own. It is commonly used for rapid prototyping, scripted applications, GUIs and testing. Tcl is used on embedded systems platforms, both in its full form and in several other small-footprint versions.

The combination of Tcl and the Tk GUI toolkit is referred to as Tcl/Tk.

History

The Tcl programming language was created in the spring of 1988 by John Ousterhout while working at the University of California, Berkeley.

Tcl conferences and workshops are held in both the United States and Europe.

Features

Tcl's features include

  • All operations are commands, including language structures. They are written in prefix notation.
  • Commands are commonly variadic.
  • TCL

    TCL or Tcl may refer to:

    Computing

  • Tcl (Tool Command Language), a computer programming language
  • Terminal Control Language, used to program VeriFone devices
  • Tiny Core Linux, a minimal Linux operating system
  • Tymshare Conversational Language, a former experimental interactive language
  • Transaction Control Language, a family of computer languages used by database systems to control transactions
  • The Common Link, a KOMpatible bulletin board system for MS-DOS
  • Transform, clipping, and lighting, a feature of 3D graphics cards
  • Think Class Library, a class library for Macintosh featured in THINK C
  • tCL, CAS latency in RAM timings
  • Organizations

  • TCL Corporation, a Chinese electronics company
  • Texas Collegiate League, a collegiate baseball league
  • Theological College of Lanka, a theological college in Sri Lanka
  • Trade Centre Limited, a Crown corporation in Nova Scotia
  • Trinity College Library, the largest library in Ireland
  • Trinity College London, the international examination board
  • People's Libraries Society (Polish: Towarzystwo Czytelni Ludowych), a former educational society in the Prussian partition of Poland
  • TCL (GTPase)

    TCL is a small (~21 kDa) signaling G protein (more specifically a GTPase), and is a member of the Rho family of GTPases.,.

    TCL (TC10-like) shares 85% and 78% amino acid similarity to TC10 and Cdc42, respectively. TCL mRNA is 2.5 kb long and is mainly expressed in heart. In vitro, TCL shows rapid GDP/GTP exchange and displays higher GTP dissociation and hydrolysis rates than TC10. Like other Rac/Cdc42/RhoUV members, GTP-bound TCL interacts with CRIB domains, such as those found in PAK and WASP. TCL produces large and dynamic F-actin-rich ruffles on the dorsal cell membrane in REF-52 fibroblasts. TCL activity is blocked by dominant negative Rac1 and Cdc42 mutants, suggesting a cross-talk between these three Rho GTPases.

    TCL is unrelated to TCL1A, a proto-oncogene implicated in the development of T-Cell Leukemias.

    See also

  • TCL1A
  • References

    Podcasts:

    PLAYLIST TIME:

    9 999 999 Tears

    by: Dickey Lee

    Got nine million nine hundred ninety nine thousand nine hundred ninety nine tears to go
    And then I don't know if I'll be over you
    The sun didn't shine this morning it's been raining the whole day through
    Suddenly without warning you found somebody new
    That's when the first tear came falling from my eyes
    I'm beginning to feel the pain seeing nothing but cloudy skies
    Got nine million nine hundred...
    Well I'll be over you
    You're out tonight with your new love I'm far far from your mind
    Trying to get over you love chould take a whole lifetime
    I can't believe you could want anybody else so no one could take my place
    At least that's what I keep telling myself as the tears fall down my face
    Got nine million nine hundred...
    I'll be over you
    Got nine million nine hundred...




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