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python Programming Glossary: endFastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python range n 1 1 primes while numbers p numbers.pop primes.append p numbers.difference_update set range p 2 n 1 p return primes.. this code for commercial purposes please contact me by sending an email to info at zerovolt dot com.''' __smallp 2 3 5 7.. start step for k in xrange start len tk step tk k False # end of inner functions definition cpos const pos while prime stop..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained obj if distance max_dist and distance min_dist result.extend node._values candidates.extend node._get_child_candidates distance.. distance min_dist result.extend node._values candidates.extend node._get_child_candidates distance min_dist max_dist return.. they calculate 0 then forget about it and calculate 1 and end calculating 4 one by one. Yield Yield is a keyword that is used..
http://stackoverflow.com/questions/2709821/python-self-explained I can do this class myClass def myFunc name @name name end end Which I understand quite easily. However in Python I need.. I can do this class myClass def myFunc name @name name end end Which I understand quite easily. However in Python I need to..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python overhead copying the items into the list that's being extended. chain will only incur this same overhead if you run list.. only incur this same overhead if you run list chain at the end. Meta Edit Actually it's less overhead than the question's proposed.. you throw away the temporary lists you create when you extend the original with the temporary. Edit As J.F. Sebastian says..
http://stackoverflow.com/questions/509211/pythons-slice-notation improve this question It's pretty simple really a start end # items start through end 1 a start # items start through the.. pretty simple really a start end # items start through end 1 a start # items start through the rest of the array a end.. 1 a start # items start through the rest of the array a end # items from the beginning through end 1 a # a copy of the whole..
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python an error. Code l 1 2 3 4 5 6 7 8 9 reduce lambda x y x.extend y l Error message Traceback most recent call last File line.. 1 in AttributeError 'NoneType' object has no attribute 'extend' python list share improve this question item for sublist.. must be copied over as well as a few new ones added at the end . So for simplicity and without actual loss of generality say..
Recommended Python cryptographic module? http://stackoverflow.com/questions/1137874/recommended-python-cryptographic-module nVersion GnuPG v1.4.9 GNU Linux n nhQIOA 6NHMDTXUwcEAf ... END PGP MESSAGE n' decrypted gpg.decrypt str encrypted passphrase..
PyEval_InitThreads in Python 3: How/when to call it? (the saga continues ad nauseum) http://stackoverflow.com/questions/15470367/pyeval-initthreads-in-python-3-how-when-to-call-it-the-saga-continues-ad-naus it back at PyEval_RestoreThread the same applies Py_ BEGIN END _ALLOW_THREADS macros . Since someone always must hold the GIL..
How to delete a row from a listbox in TKinter and SQLite3 http://stackoverflow.com/questions/19738499/how-to-delete-a-row-from-a-listbox-in-tkinter-and-sqlite3 def clearNameField self event self.nameField.delete 0 END def clearAgeField self event self.ageField.delete 0 END def.. 0 END def clearAgeField self event self.ageField.delete 0 END def clearPhoneField self event self.phoneField.delete 0 END.. def clearPhoneField self event self.phoneField.delete 0 END def clearFbField self event self.fbField.delete 0 END def add_note..
embedding short python scripts inside a bash script http://stackoverflow.com/questions/2189098/embedding-short-python-scripts-inside-a-bash-script sys exec sys.stdin.read ' function traildirs pyexec END trail int ' 1 3 ' import os home os.path.abspath os.environ.. not joined.startswith '~' joined ' ' joined print joined END export PS1 h traildirs 2 This approach smells slightly funny.. stdin so you can replace the calls to pyexec with python END See command line reference here . share improve this answer..
Python - Is a dictionary slow to find frequency of each character? http://stackoverflow.com/questions/2522152/python-is-a-dictionary-slow-to-find-frequency-of-each-character 0.5 seconds time p perl MData Dumper F'' lanwe' c _ for @F END Data Dumper Terse 1 Data Dumper Indent 0 print Dumper c ' usr..
Preserving styles using python's xlrd,xlwt, and xlutils.copy http://stackoverflow.com/questions/3723793/preserving-styles-using-pythons-xlrd-xlwt-and-xlutils-copy cell style. previousCell _getOutCell outSheet col row # END HACK PART I outSheet.write row col value # HACK PART II if previousCell.. col row if newCell newCell.xf_idx previousCell.xf_idx # END HACK outSheet outBook.get_sheet 0 setOutCell outSheet 5 5 'Test'..
Postgres: INSERT if does not exist already http://stackoverflow.com/questions/4069718/postgres-insert-if-does-not-exist-already INTO invoices invoiceid billed VALUES '12345' 'TRUE' END IF But firstly is this overkill for what I need and secondly..
Python: Set Bits Count (popcount) http://stackoverflow.com/questions/407587/python-set-bits-count-popcount UTL_RAW.CAST_TO_binary_integer vblob1 13 14 15 END 16 OUTPUT HEXVALUE 0F0008020003030D030C1D1C3C383C330A3311373724764C54496C0A6B029B84840547A341BBA83D..
How can I programatically change the background in Mac OS X? http://stackoverflow.com/questions/431205/how-can-i-programatically-change-the-background-in-mac-os-x something like import subprocess SCRIPT usr bin osascript END tell application Finder set desktop picture to POSIX file s.. Finder set desktop picture to POSIX file s end tell END def set_desktop_background filename subprocess.Popen SCRIPT..
http://stackoverflow.com/questions/4599456/textually-diffing-json whitespace changing indentation and adding some BEGIN and END strings before and after the respective objects but the tool..
How do you verify an RSA SHA1 signature in Python? http://stackoverflow.com/questions/544433/how-do-you-verify-an-rsa-sha1-signature-in-python VvXw13PLINE YptjkQIDAQAB END PUBLIC KEY I've been reading the pycrypto docs for a while but..
Tkinter: How do widgets update? http://stackoverflow.com/questions/5781286/tkinter-how-do-widgets-update current.guesses 1 print current get_info entry.delete 0 END current.name clearing python gui tkinter widget share improve..
numpy float: 10x slower than builtin in arithmetic operations? http://stackoverflow.com/questions/5956783/numpy-float-10x-slower-than-builtin-in-arithmetic-operations Professional 32 bit ActiveState Python 3.1.3.5 Numpy 1.5.1 END OF EDIT ORIGINAL QUESTION I am getting really weird timings..
How can I check the data transfer on a network interface in python? http://stackoverflow.com/questions/7731411/how-can-i-check-the-data-transfer-on-a-network-interface-in-python index self oid 'ifName' self._index self.bulkwalk oid oid END NOTES SNMP v2c uses clear text authentication. If you are worried..
Complex foreign key constraint in SQLAlchemy http://stackoverflow.com/questions/8394177/complex-foreign-key-constraint-in-sqlalchemy 'var1_op3' 1 4 'var2_op1' 2 5 'var2_op2' 2 6 'var3_op1' 3 END The NOT NULL constraint cannot be deferred it is enforced immediately...
What's the most efficient way to find one of several substrings in Python? http://stackoverflow.com/questions/842856/whats-the-most-efficient-way-to-find-one-of-several-substrings-in-python '012cat' .span 3 6 r.search '0123dog789cat' .span 4 7 END UPDATE It should be noted that you will want to form the regex..
MS Word r/w in python, Python-docx issue and win32com references? http://stackoverflow.com/questions/13509207/ms-word-r-w-in-python-python-docx-issue-and-win32com-references property. wordDoc.Paragraphs 1 .Range.Text Hello World End Sub A similar snippet of code in Python might look like this..
ode integration in python versus mathematica results http://stackoverflow.com/questions/16222302/ode-integration-in-python-versus-mathematica-results start diverging with a tolerance of 10 to the negative 6. End Edit For last few hours I have been trying to figure out why..
How to create a generator/iterator with the Python C API? http://stackoverflow.com/questions/1815812/how-to-create-a-generator-iterator-with-the-python-c-api callback self freeInfo freeInfo return PyObject generator End of Generator definition. Define a new object class Sequence...
Why is x**3 slower than x*x*x? [duplicate] http://stackoverflow.com/questions/18453771/why-is-x3-slower-than-xxx exp 1 if not exp break curexp curexp return result ## End pasted text In 94 x Out 94 array 0.0163407 0.57694587 0.47336487..
End-line characters from lines read from text file, using Python http://stackoverflow.com/questions/339537/end-line-characters-from-lines-read-from-text-file-using-python line characters from lines read from text file using Python..
Calling python script from excel/vba http://stackoverflow.com/questions/3567365/calling-python-script-from-excel-vba Sheet Workbooks 1 .Sheets 1 PyScript.AllowUI True End If PyScript.ExecuteStatement Sheet.cells 1 1 .value 'Hello'.. PyScript.ExecuteStatement Sheet.cells 1 1 .value 'Hello' End Sub Execute. Enjoy and expand as necessary share improve this..
IOError: request data read error http://stackoverflow.com/questions/3823280/ioerror-request-data-read-error Wed Aug 17 08 30 45 2011 error client 10.114.48.206 70014 End of file found mod_wsgi pid 9722 Unable to get bucket brigade..
Playing RTSP with python-gstreamer http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer GST_MESSAGE_TYPE msg case GST_MESSAGE_EOS g_print Stream Ends n g_main_loop_quit loop break case GST_MESSAGE_ERROR gchar.. pipeline GST_STATE_PLAYING g_main_loop_run loop Ending Playback g_print End of the Streaming... ending the playback.. g_main_loop_run loop Ending Playback g_print End of the Streaming... ending the playback n gst_element_set_state..
Regex for managing escaped characters for items like string literals http://stackoverflow.com/questions/430759/regex-for-managing-escaped-characters-for-items-like-string-literals r ' . ' match regexc.search r Example 'Foo ' Bar' End. print match.groups # I want Foo ' Bar to be printed above After.. check Empty '' check single escape1 r Example 'Foo ' Bar' End. r Foo ' Bar check single escape2 r ' '' r ' check double escape.. escape2 r ' '' r ' check double escape r Example2 'Foo ' End. r Foo check First quote escaped r not matched ''a' a check..
http://stackoverflow.com/questions/501626/both-python-2-and-3-in-emacs is to put # Local Variables # py which shell python3 # End at the end of your file. Perhaps you should give the full path..
Improving Python/django view code http://stackoverflow.com/questions/6245755/improving-python-django-view-code RequestContext request Third page def check_email request End of getting started. Will redirect to user home if activation..
Parse HTML table to Python list? http://stackoverflow.com/questions/6325216/parse-html-table-to-python-list three columns marked by header tags Event Start Date and End Date and that table had 5 entries I would like to parse through.. element is a dictionary with keys Event Start Date and End Date . Thanks for the help python html share improve this.. import etree s table tr th Event th th Start Date th th End Date th tr tr td a td td b td td c td tr tr td d td td e td..
python - Read file from and to specific lines of text http://stackoverflow.com/questions/7559397/python-read-file-from-and-to-specific-lines-of-text #I want this block of text a b c d e f g h i j k l m n End #until this line of the file something here... ... ... ..... regular expression to find the line number of Start and End then use linecache to read from Start line to End line. But.. and End then use linecache to read from Start line to End line. But how to get the line number what function can i use..
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