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reckoner reckoner

[IPython-user] ipython1 and farm tasking - 0 views

  • [IPython-user] ipython1 and farm tasking Brian Granger ellisonbg.net@gmail.... Wed Feb 27 16:29:03 CST 2008 Previous message: [IPython-user] ipython1 and farm tasking Next message: [IPython-user] yet another leopard/readline question Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Alex, First, I would suggest updating your ipython1 install from our svn repository. We are about to push out a major new version and the documentation is _much_ better. Also, there are many new features that will hopefully help you. Here is a simple example (using the latest svn of ipython1): In [1]: from ipython1.kernel import client In [2]: mec = client.MultiEngineClient(('127.0.0.1',10105)) In [3]: tc = client.TaskClient(('127.0.0.1',10113)) In [4]: def fold_package(x): ...: return 2.0*x ...: In [5]: mec.push_function(dict(fold_package=fold_package)) Out[5]: [None, None, None, None] In [6]: tasks = [client.Task("y=fold_package(x)",push={'x':x},pull=('y',)) for x in range(128)] In [7]: task_ids = [tc.run(t) for t in tasks] In [8]: tc.barrier(task_ids) In [9]: task_results = [tc.get_task_result(tid) for tid in task_ids] In [10]: results = [tr.ns.y for tr in task_results] In [11]: print results [0.0, 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, 24.0, 26.0, 28.0, 30.0, 32.0, 34.0, 36.0, 38.0, 40.0, 42.0, 44.0, 46.0, 48.0, 50.0, 52.0, 54.0, 56.0, 58.0, 60.0, 62.0, 64.0, 66.0, 68.0, 70.0, 72.0, 74.0, 76.0, 78.0, 80.0, 82.0, 84.0, 86.0, 88.0, 90.0, 92.0, 94.0, 96.0, 98.0, 100.0, 102.0, 104.0, 106.0, 108.0, 110.0, 112.0, 114.0, 116.0, 118.0, 120.0, 122.0, 124.0, 126.0, 128.0, 130.0, 132.0, 134.0, 136.0, 138.0, 140.0, 142.0, 144.0, 146.0, 148.0, 150.0, 152.0, 154.0, 156.0, 158.0, 160.0, 162.0, 164.0, 166.0, 168.0, 170.0, 172.0, 174.0, 176.0, 178.0, 180.0, 182.0, 184.0, 186.0, 188.0, 190.0, 192.0, 194.0, 196.0, 198.0, 200.0, 202.0, 204.0, 206.0, 208.0, 210.0, 212.0, 214.0, 216.0, 218.0, 220.0, 222.0, 224.0, 226.0, 228.0, 230.0, 232.0, 234.0, 236.0, 238.0, 240.0, 242.0, 244.0, 246.0, 248.0, 250.0, 252.0, 254.0] Or if you don't need load balancing: # This sends the fold_package function for you! results = mec.map(fold_package, range(128)) Let us know if you run into other problems. Cheers, Brian
reckoner reckoner

Preexisting code indentation - Vim Tips Wiki - a Wikia wiki - 0 views

  • lternative: if your file has indent 4 and you want an indent of 3 and gg=G is not working as expected, try :set inde=indent(v:lnum)/4*3 then go ahead with the well known gg=G use tabs or spaces, doesn't matter
reckoner reckoner

Command line programs are classes, too! - 0 views

  • I hope this article encourages you to think about your command line programs in a different light, and to treat them as first class objects. Using inheritance to share code is so common in other areas of development that it is hardly given a second thought in most cases. As has been shown with the SQLiteAppBase programs, the same technique can be just as powerful when applied to building command line programs, saving development time and testing effort as a result. CommandLineApp has been used as the foundation for dozens of types of programs, and could be just what you need the next time you have to write a new command line program.
reckoner reckoner

Foreword: Why Paver? - Paver v0.7 documentation - 0 views

  • I didn’t want to make a new build tool. Honestly. The main reason that I created Paver is...
reckoner reckoner

Allen's Weblog: PyMeta: How and Why - 0 views

  • One of the main difficulties I've had using parser generators has been the difficulty of figuring out why a grammar didn't work. Fixing shift-reduce and reduce-reduce conflicts seemed like voodoo to me, and though I slightly understand better how to fix such things now it's still a different mode of thinking that I don't want to try to get into when I just want to parse something simple. PyMeta uses a variation on the Parsing Expression Grammar (PEG) approach to parsing. The chief consequence of this is there's no possibility of ambiguity in a parse: a successful parse will yield exactly one result, and you can trace the control flow through the grammar to figure out how it got there.
reckoner reckoner

unit step (heaviside) function in sympy? - sympy | Google Groups - 0 views

  • On Mon, May 5, 2008 at 8:22 PM, Reckoner <recko...@gmail.com> wrote: > is there a unit step (heaviside) function in sympy? > I need to work a conditional into a symbolic expression. We have sign which is basically the same thing:
reckoner reckoner

Chapter 14. Test-First Programming - 0 views

  •  
    good introduction to unit-testing
reckoner reckoner

Kill process based on window name (win32) - 0 views

  • Re: Kill process based on window name (win32) Thank you Roger. Your advice did the trick. For anyone interested, the basic code to terminate a process (politely) would be something like this (hwnd is retrieved using win32gui.EnumerateWindows): # Get the window's process id's t, p = win32process.GetWindowThreadProcessId(hwnd) # Ask window nicely to close win32gui.PostMessage(hwnd, win32con.WM_CLOSE, 0, 0) # Allow some time for app to close time.sleep(10) # If app didn't close, force close try: handle = win32api.OpenProcess(win32con.PROCESS_TERMINATE, 0, p) if handle: win32api.TerminateProcess(handle,0) win32api.CloseHandle(handle) except: pass:
reckoner reckoner

A Little Head Trauma...: Dynamic Functions - 0 views

  •  
    good discussion of *arguments in dynamic functions
reckoner reckoner

[IPython-user] setting breakpoints in code - 0 views

  • Robin, Give this a try: from IPython.Debugger import Tracer; debugger = Tracer() debugger() #add this line where you want to break barr
reckoner reckoner

Trellis - The PEAK Developers' Center - 0 views

  •  
    event driven application callback
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