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python Programming Glossary: roundhttp://stackoverflow.com/questions/1450275/modifying-locals-in-python exec has the same problem in Python 3.0. Is there any way round this Use Case Consider @depends a b c d e f def test put_into_locals..
http://stackoverflow.com/questions/2028517/python-urllib2-progress-hook total_size percent float bytes_so_far total_size percent round percent 100 2 sys.stdout.write Downloaded d of d bytes 0.2f..
Evaluating a mathematical expression in a string http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string for int with base 10 '2^4' I know that eval can work around this but isn't there a better and more importantly safer method.. cos math.cos tan math.tan abs abs trunc lambda a int a round round sgn lambda a abs a epsilon and cmp a 0 or 0 def evaluateStack.. tan math.tan abs abs trunc lambda a int a round round sgn lambda a abs a epsilon and cmp a 0 or 0 def evaluateStack..
How do I get a thread safe print in Python 2.6? http://stackoverflow.com/questions/3029816/how-do-i-get-a-thread-safe-print-in-python-2-6 thread safe according to these articles . A Python 3 work around is offered in the latter article. How do I get a thread safe.. serialization efect whereby the threads appear to nicely round robin as above is a side effect of the fact that the thread..
Adding a scrollbar to a grid of widgets in Tkinter http://stackoverflow.com/questions/3085696/adding-a-scrollbar-to-a-grid-of-widgets-in-tkinter root yscrollcommand scrollbar.set Can anyone suggest a way round this limitation I'd hate to have to rewrite in PyQt and increase.. self root self.canvas tk.Canvas root borderwidth 0 background #ffffff self.frame tk.Frame self.canvas background #ffffff self.vsb.. 0 background #ffffff self.frame tk.Frame self.canvas background #ffffff self.vsb tk.Scrollbar root orient vertical command self.canvas.yview..
How do you split a list into evenly sized chunks in Python? http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python to the first list and empty the second list for the next round of data but this is potentially extremely expensive. I was wondering..
Python/Tkinter: Interactively validating Entry widget content http://stackoverflow.com/questions/4140437/python-tkinter-interactively-validating-entry-widget-content
Implementing webbased real time video chat using HTML5 websockets http://stackoverflow.com/questions/4220672/implementing-webbased-real-time-video-chat-using-html5-websockets Websockets would be the HTML5 option to have fast enough round trips with the server sending local audio data and receiving.. time Since you mention python I would recommend looking around the twisted implementation of websockets. You can have all your..
python limiting floats to two decimal points http://stackoverflow.com/questions/455612/python-limiting-floats-to-two-decimal-points limiting floats to two decimal points I want a to be rounded to 13.95 a 13.949999999999999 round a 2 13.949999999999999.. I want a to be rounded to 13.95 a 13.949999999999999 round a 2 13.949999999999999 The round function does not work the.. a 13.949999999999999 round a 2 13.949999999999999 The round function does not work the way I expect . python floating point..
SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk? http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d demo where id1 in s AND id2 in s ' id1s id2s results qq 0 round querytime conn_disk query 4 results qq 1 round querytime conn_mem.. qq 0 round querytime conn_disk query 4 results qq 1 round querytime conn_mem query 4 results qq 2 int qsize #4 Now look.. is too big or because I'm not doing writes . I'll mess around with those parameters and post my findings when I get a chance...
Python - Parse a .py file, read the AST, modify it, then write back the modified source code http://stackoverflow.com/questions/768634/python-parse-a-py-file-read-the-ast-modify-it-then-write-back-the-modified machinery that can preserve comments in source when it's round tripped from source AST source. The rope project may meet your..
Immutable vs mutable types - Python http://stackoverflow.com/questions/8056130/immutable-vs-mutable-types-python float def __new__ cls val return float.__new__ cls round val 2 Is this considered to be immutable because of the class..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python int time.time start_time if delta_sec 0 lines_per_sec int round count delta_sec print Read 0 n lines in 1 n seconds. LPS 2 n..
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