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python Programming Glossary: secWhy is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? http://stackoverflow.com/questions/11769366/why-is-sqlalchemy-insert-with-sqlite-25-times-slower-than-using-sqlite3-directly program # SqlAlchemy Total time for 100000 records 10.74 secs # sqlite3 Total time for 100000 records 0.40 secs import time.. 10.74 secs # sqlite3 Total time for 100000 records 0.40 secs import time import sqlite3 from sqlalchemy.ext.declarative.. SqlAlchemy Total time for str n records str time.time t0 secs def init_sqlite3 dbname conn sqlite3.connect dbname c conn.cursor..
MySQL “incorrect string value” error when save unicode string in Django http://stackoverflow.com/questions/2108824/mysql-incorrect-string-value-error-when-save-unicode-string-in-django usr share mysql charsets 8 rows in set 0.00 sec Table charset and collation Table auth_user has utf 8 charset.. iusa' where id 1 Query OK 1 row affected 1 warning 0.00 sec Rows matched 1 Changed 1 Warnings 0 mysql select last_name from.. where id 100 last_name Slatkevi iusa 1 row in set 0.00 sec PostgreSQL The failed values listed above can be updated into..
http://stackoverflow.com/questions/2648151/python-frequency-detection to send data trough sound need very low bitrate per sec 5 10bps but im also very limited on the transmiting end so the..
Inverse Distance Weighted (IDW) Interpolation with Python http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python __main__ import sys N 10000 Ndim 2 Nask N # N Nask 1e5 24 sec 2d 27 sec 3d on mac g4 ppc Nnear 8 # 8 2d 11 3d 5 chance one.. import sys N 10000 Ndim 2 Nask N # N Nask 1e5 24 sec 2d 27 sec 3d on mac g4 ppc Nnear 8 # 8 2d 11 3d 5 chance one sided Wendel..
How to improve performance of this code? http://stackoverflow.com/questions/4295799/how-to-improve-performance-of-this-code aaronasterling's namedtuple trick and it performed in 0.2 sec for your first example and 2.1 sec for your second but I haven't.. and it performed in 0.2 sec for your first example and 2.1 sec for your second but I haven't tried verifying the results for.. in 0.2 sec for your first example and 2.1 sec for your second but I haven't tried verifying the results for the second..
Generating unique, ordered Pythagorean triplets http://stackoverflow.com/questions/575117/generating-unique-ordered-pythagorean-triplets which produced 12 471 triples in each case. Version 4 46 sec. using square root 134 sec. array and map 400 sec. The array.. in each case. Version 4 46 sec. using square root 134 sec. array and map 400 sec. The array and map algorithm is essentially.. 4 46 sec. using square root 134 sec. array and map 400 sec. The array and map algorithm is essentially squares array of..
Analyze audio using Fast Fourier Transform http://stackoverflow.com/questions/604453/analyze-audio-using-fast-fourier-transform at 0. Because your sampling frequency is 44100 samples sec. and the number of points in your FFT is 256 your frequency..
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 input_line long line_count 0 time_t start time NULL int sec int lps while cin getline cin input_line if cin.eof line_count.. while cin getline cin input_line if cin.eof line_count sec int time NULL start cerr Saw line_count lines in sec seconds... sec int time NULL start cerr Saw line_count lines in sec seconds. if sec 0 lps line_count sec cerr Crunch speed lps endl..
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