python Programming Glossary: test
if x or y or z == blah http://stackoverflow.com/questions/15112125/if-x-or-y-or-z-blah a set to take advantage of the constant cost membership test in takes a fixed amount of time whatever the left hand operand.. The expression x or y 1 is treated as first a boolean test for x then if that is False the expression y 1 is tested. This.. test for x then if that is False the expression y 1 is tested. This is due to operator precedence . The or operator has..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python way to list all primes below N in python This is the best algorithm.. rwh_primes1 and rwh_primes2. Of the plain Python methods tested with psyco for n 1000000 rwh_primes1 was the fastest tested... tested with psyco for n 1000000 rwh_primes1 was the fastest tested. Method ms rwh_primes1 43.0 sieveOfAtkin 46.4 rwh_primes..
Ternary conditional operator in Python http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python some pythonistas so keep that in mind. The syntax is a if test else b First test is evaluated then either a or b is returned.. so keep that in mind. The syntax is a if test else b First test is evaluated then either a or b is returned based on the Boolean.. either a or b is returned based on the Boolean value of test if test evaluates to True a is returned else b is returned...
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code 3 camels each. I wanted to do this for 4 at least. That test case is still running It's been about 5 minutes now . I'll update..
Class method differences in Python: bound, unbound and static http://stackoverflow.com/questions/114214/class-method-differences-in-python-bound-unbound-and-static Is it that one is static and the other is not class Test object def method_one self print Called method_one def method_two.. method_one def method_two print Called method_two a_test Test a_test.method_one a_test.method_two python share improve.. a bound function a_test.method_one is translated to Test.method_one a_test i.e. a call to an unbound method. Because..
Is there a difference between `==` and `is` in python? http://stackoverflow.com/questions/132988/is-there-a-difference-between-and-is-in-python My Google fu has failed me. In Python are these n 5 # Test one. if n 5 print 'Yay ' # Test two. if n is 5 print 'Yay '.. In Python are these n 5 # Test one. if n 5 print 'Yay ' # Test two. if n is 5 print 'Yay ' two tests for equality equivalent..
How to install MySQLdb (Python data access library to MySQL) on Mac OS X? http://stackoverflow.com/questions/1448429/how-to-install-mysqldb-python-data-access-library-to-mysql-on-mac-os-x and you are done. sudo python setup.py install Step 9 Test if it's working. It works if you can import MySQLdb. python..
Why do attribute references act like this with Python inheritance? http://stackoverflow.com/questions/206734/why-do-attribute-references-act-like-this-with-python-inheritance you can run arbritrary code like this import sys class Test object if sys.platform linux2 def hello self print Hello Linux.. else def hello self print Hello ~Linux On a Linux system Test .hello will print Hello Linux on all other systems the other.. to the instance only when they are assigned to self class Test object def __init__ self self.inst_var 1 2 3 Objects defined..
What is the python “with” statement designed for? [closed] http://stackoverflow.com/questions/3012488/what-is-the-python-with-statement-designed-for w # these print statements will go to tmp log.txt print Test entry 1 print Test entry 2 # back to the normal stdout print.. statements will go to tmp log.txt print Test entry 1 print Test entry 2 # back to the normal stdout print Back to normal stdout..
Can I run a Python script as a service (in Windows)? How? http://stackoverflow.com/questions/32404/can-i-run-a-python-script-as-a-service-in-windows-how AppServerSvc win32serviceutil.ServiceFramework _svc_name_ TestService _svc_display_name_ Test Service def __init__ self args.. _svc_name_ TestService _svc_display_name_ Test Service def __init__ self args win32serviceutil.ServiceFramework.__init__..
Test if executable exists in Python? http://stackoverflow.com/questions/377017/test-if-executable-exists-in-python if executable exists in Python In python is there a portable..
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 this edit as no longer applicable for i in 1..5 do echo Test run i at `date` echo n CPP cat test_lines . readline_test_cpp.. echo n Python cat test_lines . readline_test.py done Test run 1 at Mon Feb 20 21 29 28 EST 2012 CPP Saw 5570001 lines.. Python Read 5 570 000 lines in 1 seconds. LPS 5 570 000 Test run 2 at Mon Feb 20 21 29 39 EST 2012 CPP Saw 5570001 lines..
Google Cloud Messaging HTTP Error 400: Bad Request http://stackoverflow.com/questions/11697096/google-cloud-messaging-http-error-400-bad-request req response f.read f.close logging.debug WriteEntry TEST Response response And here is the error that I am receiving...
request python code for editing and combining files [closed] http://stackoverflow.com/questions/14245561/request-python-code-for-editing-and-combining-files have two files such as file1 and file2 in a directory say TEST file1 contains 1 C 8.95377612903e 07 2 C 2.54310967742e 06 3..
“IOError: decoder zip not available” : Ubuntu Python PIL http://stackoverflow.com/questions/15258335/ioerror-decoder-zip-not-available-ubuntu-python-pil LITTLECMS support not available selftest.py PIL 1.1.7 TEST SUMMARY Python modules loaded from . PIL Binary modules..
Parsing email with Python http://stackoverflow.com/questions/3050298/parsing-email-with-python Subject TEST 12 From Full Name username@sender.com To username@domain.com.. Subject TEST 12 From Full Name username@sender.com To username@domain.com..
Issues trying to SSH into a fresh EC2 instance with Paramiko http://stackoverflow.com/questions/6025546/issues-trying-to-ssh-into-a-fresh-ec2-instance-with-paramiko '~ .ssh test' stdin stdout stderr ssh.exec_command 'echo TEST ' print stdout.readlines ssh.close python amazon ec2 paramiko..
PIL encoder jpeg not available [duplicate] http://stackoverflow.com/questions/8479344/pil-encoder-jpeg-not-available script and it fails on the first test PIL 1.1.7 TEST SUMMARY Python modules loaded from . PIL Binary modules..
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