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python Programming Glossary: existsIs there any way to run Python on Android? http://stackoverflow.com/questions/101754/is-there-any-way-to-run-python-on-android nothing official about Python on Android but since Jython exists does anybody know a way to let the snake and the robot work..
When is “i += x” different from “i = i + x” in Python? http://stackoverflow.com/questions/15376509/when-is-i-x-different-from-i-i-x-in-python entirely on the object i . calls the __iadd__ method if it exists falling back on __add__ if it doesn't exist whereas calls the..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python is however quite a special case a builtin type that exists only to let you use isinstance both str and Unicode subclass.. offers no concrete functionality to subclasses but rather exists as a marker mainly for use with isinstance . The concept is..
Modifying list while iterating http://stackoverflow.com/questions/1637807/modifying-list-while-iterating
Python variable scope question http://stackoverflow.com/questions/370357/python-variable-scope-question doesn't make sense for a variable to steal scope before it exists. Could someone please explain this behavior Thank you very much..
http://stackoverflow.com/questions/7933596/django-dynamic-model-fields fit. Ultimately this data is typed and the possibility exists of using a third party reporting application. JSONField as listed..
How do I check if a file exists using Python? http://stackoverflow.com/questions/82831/how-do-i-check-if-a-file-exists-using-python do I check if a file exists using Python How do I check if a file exists using Python without.. if a file exists using Python How do I check if a file exists using Python without using a try statement python file filesystems.. 'filename' process except IOError print 'Oh dear.' os.path.exists only tells you that the file existed at that point. In the tiny..
How do I check if a variable exists in Python? http://stackoverflow.com/questions/843277/how-do-i-check-if-a-variable-exists-in-python do I check if a variable exists in Python I want to check if a variable exists. Now I'm doing.. a variable exists in Python I want to check if a variable exists. Now I'm doing something like this try myVar except NameError.. existence of a local variable if 'myVar' in locals # myVar exists. To check the existence of a global variable if 'myVar' in globals..
using pyodbc on ubuntu to insert a image field on SQL Server http://stackoverflow.com/questions/1060035/using-pyodbc-on-ubuntu-to-insert-a-image-field-on-sql-server pyodbc.connect odbcstring cur con.cursor cur.execute IF EXISTS SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME.. pyodbc.connect odbcstring cur con.cursor cur.execute IF EXISTS SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME..
Why 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 dbname c conn.cursor c.execute DROP TABLE IF EXISTS customer c.execute CREATE TABLE customer id INTEGER NOT NULL.. dbname c conn.cursor c.execute DROP TABLE IF EXISTS customer c.execute CREATE TABLE customer id INTEGER NOT NULL..
http://stackoverflow.com/questions/11957925/psycopg2-mapping-python-list-of-dicts-to-postgres-array-of-composite-type 9.1.x. Say I have the following Schema DROP TABLE IF EXISTS posts CASCADE DROP TYPE IF EXISTS quotes CASCADE CREATE TYPE.. Schema DROP TABLE IF EXISTS posts CASCADE DROP TYPE IF EXISTS quotes CASCADE CREATE TYPE quotes AS text CHARACTER VARYING..
Using a WHERE ___ IN ___ statement http://stackoverflow.com/questions/14245396/using-a-where-in-statement IN _ statement Definition c.execute '''CREATE TABLE IF NOT EXISTS tab _id integer PRIMARY KEY AUTOINCREMENT obj text NOT NULL..
How to extract information from ODP accurately? [closed] http://stackoverflow.com/questions/16355421/how-to-extract-information-from-odp-accurately cursor conn.cursor cursor.execute ''' CREATE TABLE IF NOT EXISTS odp_urls url text primary key title text description text '''..
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 c conn.cursor conn.execute ''' CREATE TABLE IF NOT EXISTS people name TEXT primary key age TEXT phone TEXT fblink TEXT.. # create table c.execute '''CREATE TABLE IF NOT EXISTS people name TEXT primary key age TEXT phone TEXT fblink TEXT..
Postgres: INSERT if does not exist already http://stackoverflow.com/questions/4069718/postgres-insert-if-does-not-exist-already I've seen complex statements like this recommended IF EXISTS SELECT FROM invoices WHERE invoiceid '12345' UPDATE invoices.. INTO example_table id name SELECT 1 'John' WHERE NOT EXISTS SELECT id FROM example_table WHERE id 1 share improve this..
Executing “SELECT … WHERE … IN …” using MySQLdb http://stackoverflow.com/questions/4574609/executing-select-where-in-using-mysqldb this is how the foo table was created mysql DROP TABLE IF EXISTS foo Query OK 0 rows affected 0.00 sec mysql CREATE TABLE `foo`..
http://stackoverflow.com/questions/5942402/python-csv-to-sqlite bytestrings cur conn.cur cur.execute 'CREATE TABLE IF NOT EXISTS mytable field2 VARCHAR field4 VARCHAR ' reader csv.reader open..
Trapping MySQL Warnings In Python http://stackoverflow.com/questions/647805/trapping-mysql-warnings-in-python warning to standard error if you submit 'DROP DATABASE IF EXISTS database_of_armaments' when no such database exists. I would.. does not exist. try cursor.execute 'DROP DATABASE IF EXISTS database_of_armaments' except WHAT DO I PUT HERE print 'There..
Python's use of __new__ and __init__? http://stackoverflow.com/questions/674304/pythons-use-of-new-and-init _dict dict def __new__ cls if 'key' in A._dict print EXISTS return A._dict 'key' else print NEW return super A cls .__new__.. A._dict 'key' self print a1 A a2 A a3 A Outputs NEW INIT EXISTS INIT EXISTS INIT Why python design patterns class design .. self print a1 A a2 A a3 A Outputs NEW INIT EXISTS INIT EXISTS INIT Why python design patterns class design share improve..
Hang in Python script using SQLAlchemy and multiprocessing http://stackoverflow.com/questions/8785899/hang-in-python-script-using-sqlalchemy-and-multiprocessing db.connect for i in range 10 conn.execute DROP TABLE IF EXISTS foo s i conn.close db.dispose for i in range 10 make_foo i m.create_all..
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