¡@
python Programming Glossary: datahttp://stackoverflow.com/questions/107705/python-output-buffering def __init__ self stream self.stream stream def write self data self.stream.write data self.stream.flush def __getattr__ self.. self.stream stream def write self data self.stream.write data self.stream.flush def __getattr__ self attr return getattr self.stream..
http://stackoverflow.com/questions/1191374/subprocess-with-timeout code to run an arbitrary command returning its stdout data or raise an exception on non zero exit codes proc subprocess.Popen.. communicate is used to wait for the process to exit stdoutdata stderrdata proc.communicate The subprocess module does not support.. is used to wait for the process to exit stdoutdata stderrdata proc.communicate The subprocess module does not support timeout..
How do I watch a file for changes using Python? http://stackoverflow.com/questions/182197/how-do-i-watch-a-file-for-changes-using-python Each time a change occurrs I'd like to read the new data in to do some processing on it. What's the best way to do this..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained iterated It's a concise way to go through all these nested data even if it's a bit dangerous since you can end up with an infinite..
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 first list and empty the second list for the next round of data but this is potentially extremely expensive. I was wondering..
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat generic parsing AST building symbol tables control and data flow analysis application of translation rules regeneration..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python way to make .readline non blocking or to check if there is data on the stream before I invoke .readline I'd like this to be.. how I do it for now It's blocking on the .readline if no data is avaible p subprocess.Popen 'myprogram.exe' stdout subprocess.PIPE..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python just looking to iterate over a flattened version of the data structure and don't need an indexable sequence consider itertools.chain..
Lazy Method for Reading Big File in Python? http://stackoverflow.com/questions/519633/lazy-method-for-reading-big-file-in-python a file piece by piece. Default chunk size 1k. while True data file_object.read chunk_size if not data break yield data f open.. 1k. while True data file_object.read chunk_size if not data break yield data f open 'really_big_file.dat' for piece in read_in_chunks.. data file_object.read chunk_size if not data break yield data f open 'really_big_file.dat' for piece in read_in_chunks f process_data..
What's the difference between list and tuples in Python? http://stackoverflow.com/questions/626759/whats-the-difference-between-list-and-tuples-in-python that should guide their usage. Tuples are heterogeneous data structures i.e. their entries have different meanings while..
Simple Digit Recognition OCR in OpenCV-Python http://stackoverflow.com/questions/9413216/simple-digit-recognition-ocr-in-opencv-python searching a little bit i could find a letter_recognition.data in cpp samples. I used it and made a code for cv2.KNearest in.. import numpy as np import cv2 fn 'letter recognition.data' a np.loadtxt fn np.float32 delimiter ' ' converters 0 lambda.. what it is. Questions 1 What is letter_recognition.data file How to build that file from my own data set 2 What does..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference to a variable but the reference is passed by value some data types are mutable but others aren't So If you pass a mutable..
How do I define a unique property for a Model in Google App Engine? http://stackoverflow.com/questions/1185628/how-do-i-define-a-unique-property-for-a-model-in-google-app-engine frenzy you might be able to get non unique values in the Data in the datastore list. This is due to how the datastore is emptied..
http://stackoverflow.com/questions/1190206/threading-in-python machines . Cons Processes are slower than threads. Data sharing between processes is trickier than with threads. Memory..
Passing Python Data to JavaScript via Django http://stackoverflow.com/questions/1445989/passing-python-data-to-javascript-via-django Python Data to JavaScript via Django I'm using Django and Apache to serve..
Finding the index of an item given a list containing it in Python http://stackoverflow.com/questions/176918/finding-the-index-of-an-item-given-a-list-containing-it-in-python
Simple Python Challenge: Fastest Bitwise XOR on Data Buffers http://stackoverflow.com/questions/2119761/simple-python-challenge-fastest-bitwise-xor-on-data-buffers Python Challenge Fastest Bitwise XOR on Data Buffers Challenge Perform a bitwise XOR on two equal sized..
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 real 0.44 user 0.43 sys 0.01 perl 0.5 seconds time p perl MData Dumper F'' lanwe' c _ for @F END Data Dumper Terse 1 Data Dumper.. seconds time p perl MData Dumper F'' lanwe' c _ for @F END Data Dumper Terse 1 Data Dumper Indent 0 print Dumper c ' usr share.. MData Dumper F'' lanwe' c _ for @F END Data Dumper Terse 1 Data Dumper Indent 0 print Dumper c ' usr share dict american english..
How to install psycopg2 with “pip” on Python? http://stackoverflow.com/questions/5420789/how-to-install-psycopg2-with-pip-on-python log in C Documents and Settings anlopes Application Data pip p ip.log My question I only need to do this to get the psycopg2..
How do I find the Windows common application data folder using Python? http://stackoverflow.com/questions/626796/how-do-i-find-the-windows-common-application-data-folder-using-python common user profile folder which is where the Application Data directory resides. e.g. C python c import os print os.environ..
Accessing mp3 Meta-Data with Python http://stackoverflow.com/questions/8948/accessing-mp3-meta-data-with-python mp3 Meta Data with Python What is the best way to retrieve mp3 metadata in..
Using Python's Multiprocessing module to execute simultaneous and separate SEAWAT/MODFLOW model runs http://stackoverflow.com/questions/9874042/using-pythons-multiprocessing-module-to-execute-simultaneous-and-separate-seawa import os subprocess import multiprocessing as mp ws r'D Data Users jbellino Project stJohnsDeepening model xsec_a' files.. s' args e file sys.stderr def main # populate files ws r'D Data Users jbellino Project stJohnsDeepening model xsec_a' wdir os.path.join.. die except one def main # populate files ws r'D Data Users jbellino Project stJohnsDeepening model xsec_a' wdir os.path.join..
Python strings split with multiple separators http://stackoverflow.com/questions/1059559/python-strings-split-with-multiple-separators A case where regular expressions are justified import re DATA Hey you what are you doing here print re.findall r w' DATA #.. DATA Hey you what are you doing here print re.findall r w' DATA # Prints 'Hey' 'you' 'what' 'are' 'you' 'doing' 'here' Edited..
Fastest way to convert a dict's keys & values from `unicode` to `str`? http://stackoverflow.com/questions/1254454/fastest-way-to-convert-a-dicts-keys-values-from-unicode-to-str python casting types share improve this question DATA u'spam' u'eggs' u'foo' frozenset u'Gah ' u'bar' u'baz' 97 u'list'.. return type data map convert data else return data print DATA print convert DATA # Prints # u'list' u'list' True u'Maybe'.. map convert data else return data print DATA print convert DATA # Prints # u'list' u'list' True u'Maybe' set u'and' u'a' u'set'..
Implementing Transport Layer Security in Python - Simple Mail Client http://stackoverflow.com/questions/12549593/implementing-transport-layer-security-in-python-simple-mail-client 3 '250' print '250 reply not received from server.' # Send DATA command and print server response. dataCommand 'DATA r n' ssl_clientSocket.send.. Send DATA command and print server response. dataCommand 'DATA r n' ssl_clientSocket.send dataCommand recv4 ssl_clientSocket.recv..
Creating xml file using ElementTree or lxml http://stackoverflow.com/questions/15608185/creating-xml-file-using-elementtree-or-lxml or lxml for the following code.. data 'SEC.12.0' ' DATA LOC' ' ftp location' 'SEC.13.0' ' DATA LOC2' ' ftp location2'.. data 'SEC.12.0' ' DATA LOC' ' ftp location' 'SEC.13.0' ' DATA LOC2' ' ftp location2' f open 'data.xml' 'w' f.write ' combo.. string like this from lxml import etree data 'SEC.12.0' ' DATA LOC' ' ftp location' 'SEC.13.0' ' DATA LOC2' ' ftp location2'..
gdb-python : Parsing structure's each field and print them with proper value, if exists http://stackoverflow.com/questions/16787289/gdb-python-parsing-structures-each-field-and-print-them-with-proper-value-if vmcore gdb add symbol file MY DRIVER.ko TEXT ADDR s .data DATA ADDR s .bss BSS ADDR while replacing TEXT ADDR DATA ADDR and.. .data DATA ADDR s .bss BSS ADDR while replacing TEXT ADDR DATA ADDR and BSS ADDR with the address from the files under sys.. self .__init__ 'print struct follow pointers' gdb.COMMAND_DATA gdb.COMPLETE_SYMBOL False def invoke self arg from_tty s arg.find..
Convert gzipped data fetched by urllib2 to HTML http://stackoverflow.com/questions/1704754/convert-gzipped-data-fetched-by-urllib2-to-html response.info 'content encoding' 'gzip' HOW TO DECOMPRESS DATA TO HTML python gzip urllib2 share improve this question ..
How should I correctly handle exceptions in Python3 http://stackoverflow.com/questions/2913819/how-should-i-correctly-handle-exceptions-in-python3 updated files to server class PClient def __init__ self DATA '''DATA 'sendTo' 'host' '' 'port' '' 'use_ssl' 'use_ssl' ''.. files to server class PClient def __init__ self DATA '''DATA 'sendTo' 'host' '' 'port' '' 'use_ssl' 'use_ssl' '' 'fileKey'.. 'timeToCheck' '' 'buffSize' '' 'logFile' '' ''' self._DATA DATA self._running False self.configureLogging def configureLogging..
http://stackoverflow.com/questions/2930673/python-and-csv-help socket host socket.gethostname print host #IMPORT MASTER DATA import csv sys filename masterlist.txt reader csv.reader open.. reader csv.reader open filename rU #PRINT MASTER DATA for row in reader print row #SEARCH ON HOSTNAME AND RETURN UID..
Python POST data using mod_wsgi http://stackoverflow.com/questions/394465/python-post-data-using-mod-wsgi show form data as received by POST output.append ' h1 FORM DATA h1 ' output.append pformat environ 'wsgi.input' .read # send..
python: how to send packets in multi thread and then the thread kill itself http://stackoverflow.com/questions/605013/python-how-to-send-packets-in-multi-thread-and-then-the-thread-kill-itself PADDING a 1000 #assume the MTU is slighly above 1000 DATA PADDING this is sentence number PORT 14444 killed False test_time.. 1 starttime time.clock while elapsed test_time sent s.send DATA str count n if sent 0 break # assume that if nothing is sent..
Creating a logging handler to connect to Oracle? http://stackoverflow.com/questions/935930/creating-a-logging-handler-to-connect-to-oracle OR # ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE DATA OR PROFITS WHETHER # IN AN ACTION OF CONTRACT NEGLIGENCE OR..
|