¡@

Home 

python Programming Glossary: database

What is a metaclass in Python?

http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python

will return an int and can even take it directly from the database. This is possible because models.Model defines __metaclass__.. defined with simple statements into a complex hook to a database field. Django makes something complex look simple by exposing..

How do I capture SIGINT in Python?

http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python

on a python script that starts several processes and database connections. Every now and then I want to kill the script with..

“Large data” work flows using pandas

http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas

the following Loading flat files into a permanent on disk database structure Querying that database to retrieve data to feed into.. into a permanent on disk database structure Querying that database to retrieve data to feed into a pandas data structure Updating.. data to feed into a pandas data structure Updating the database after manipulating pieces in pandas Real world examples would..

Whether to use “SET NAMES”

http://stackoverflow.com/questions/1650591/whether-to-use-set-names

what are your suggestions best practices to ensure that my database workflow is unicode aware. My target languages are php and python..

DatabaseError: current transaction is aborted, commands ignored until end of transaction block

http://stackoverflow.com/questions/2979369/databaseerror-current-transaction-is-aborted-commands-ignored-until-end-of-tra

from python psycopg to python psycopg2 as Django project's database engine. The code remains the same just dont know where those..

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

that share various interrelated objects stored in a database. I want one of the programs to act as a service which provides..

How to find the mime type of a file in python?

http://stackoverflow.com/questions/43580/how-to-find-the-mime-type-of-a-file-in-python

information A WebService or even better a downloadable database python mime share improve this question The mimetypes module..

Converting string into datetime

http://stackoverflow.com/questions/466345/converting-string-into-datetime

to be shoving these back into proper datetime fields in a database so I need to magic them into real datetime objects. Any help..

Running shell command from python and capturing the output

http://stackoverflow.com/questions/4760215/running-shell-command-from-python-and-capturing-the-output

# mysqladmin CREATE DATABASE failed error 'Can't create database 'test' database exists' python shell subprocess share improve.. CREATE DATABASE failed error 'Can't create database 'test' database exists' python shell subprocess share improve this question..

Django - Set Up A Scheduled Job?

http://stackoverflow.com/questions/573618/django-set-up-a-scheduled-job

run periodically. Basically I just want to run through the database and make some calculations updates on an automatic regular basis..

Python: Sort a dictionary by value

http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value

I have a dictionary of values read from 2 fields in a database a string field and a numeric field. The string field is unique..

Django dynamic model fields

http://stackoverflow.com/questions/7933596/django-dynamic-model-fields

a different set of custom data fields but use the same database. Then the various concrete data fields can be defined as class.. dynamic fields which makes it simple to understand and database agnostic allows you to effectively attach detach dynamic attribute.. unique key constraint which may be inefficient on some databases. You will need to select one of the forks since the official..

Does Django scale?

http://stackoverflow.com/questions/886221/does-django-scale

answered and Mike Malone mentions in his presentation database design is critical. Strong proof might also be found at www.cnprog.com..

How to connect Javascript to Python sharing data with JSON format in both ways?

http://stackoverflow.com/questions/11747527/how-to-connect-javascript-to-python-sharing-data-with-json-format-in-both-ways

on the Python server side to search for data on a SQLite Database. And after getting the results from the database send those..

Python unicode regular expression matching failing with some unicode characters -bug or mistake?

http://stackoverflow.com/questions/12746458/python-unicode-regular-expression-matching-failing-with-some-unicode-characters

class. This is incorrect as the Unicode Character Database file on derived core properties lists other characters I have..

Reliable and efficient key--value database for Linux?

http://stackoverflow.com/questions/1690605/reliable-and-efficient-key-value-database-for-linux

Tyrant Related questions on StackOverflow Key Value Database For Windows Is there a business proven cloud store Key Value.. Windows Is there a business proven cloud store Key Value Database Open Source python database store embedded database key value..

python csv into dictionary

http://stackoverflow.com/questions/1898305/python-csv-into-dictionary

i self.sport i def Table self print self.lname class Database Student def __init__ self g 0 choice 'Basketball' 'Football'.. in freq freq i 0 print i freq i student Student database Database This is my current code incomplete import csv class Student..

Should I create each class in its own .py file?

http://stackoverflow.com/questions/2098088/should-i-create-each-class-in-its-own-py-file

In C# for instance I would have a class that handles all Database interactions. Then another class that had the business rules...

Multiple Database Config in Django 1.2

http://stackoverflow.com/questions/3637419/multiple-database-config-in-django-1-2

Database Config in Django 1.2 This is hopefully an easy question. I'm..

UnicodeDecodeError : 'ascii' codec can't decode byte 0xe0 in position 0: ordinal not in range(128)

http://stackoverflow.com/questions/4237898/unicodedecodeerror-ascii-codec-cant-decode-byte-0xe0-in-position-0-ordinal

Traceback most recent call last In the registry HKCR Mime Database ContentType I have five keys with russian cyrilic letters. But..

How to setup PostgreSQL Database in Django?

http://stackoverflow.com/questions/5394331/how-to-setup-postgresql-database-in-django

to setup PostgreSQL Database in Django I'm new to Python and Django. I'm configuring a Django..

MySQL — Joins Between Databases On Different Servers Using Python?

http://stackoverflow.com/questions/5832787/mysql-joins-between-databases-on-different-servers-using-python

&mdash Joins Between Databases On Different Servers Using Python In MySQL I have two different.. I have two different databases let's call them A and B . Database A resides on server server1 while database B resides on server..

How to convert JSON data into a Python object

http://stackoverflow.com/questions/6578986/how-to-convert-json-data-into-a-python-object

objects from the Facebook API which I want to store in my Database. My current View in Django python requset.POST contains the..

Django -vs- Grails -vs-?

http://stackoverflow.com/questions/75798/django-vs-grails-vs

few stable plugins but enough to do most of what you need. Database Django schema migrations using South and generally intuitive..

Use binary COPY table FROM with psycopg2

http://stackoverflow.com/questions/8144002/use-binary-copy-table-from-with-psycopg2

cpy table conn.commit tend datetime.now print 'Database copy time ' str tend tendw print ' Total time ' str tend tstart.. in 0 01 15.288695 84355016 bytes transfering to database Database copy time 0 00 37.929166 Total time 0 01 53.217861 Processing.. in 0 00 01.296143 80000021 bytes transfering to database Database copy time 0 00 23.325952 Total time 0 00 24.622095 So both the..

Stripping non printable characters from a string in python

http://stackoverflow.com/questions/92438/stripping-non-printable-characters-from-a-string-in-python

the unicodedata.category function. See Unicode Character Database for descriptions of the categories. import unicodedata re all_chars..

using pyodbc on linux to insert unicode or utf-8 chars in a nvarchar mssql field

http://stackoverflow.com/questions/947077/using-pyodbc-on-linux-to-insert-unicode-or-utf-8-chars-in-a-nvarchar-mssql-field

what is sent by the driver has the same encoding as your Database not only server but also database . Otherwise of course you..

python and sys.argv

http://stackoverflow.com/questions/983201/python-and-sys-argv

1 if not os.path.exists sys.argv 1 sys.stderr.write 'ERROR Database sys.argv 1 was not found ' sys.exit 1 This is a portion of code..

python and %s

http://stackoverflow.com/questions/997797/python-and-s

0 if not os.path.exists sys.argv 1 sys.exit 'ERROR Database s was not found ' sys.argv 1 Thanks python share improve..

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 odbcstring SERVER 10.32.42.69 UID sa PWD secret DATABASE Common DRIVER FreeTDS con pyodbc.connect odbcstring cur con.cursor.. urllib2 odbcstring SERVER 10.32.42.69 UID sa PWD secret DATABASE Common DRIVER FreeTDS con pyodbc.connect odbcstring cur con.cursor..

Using MySQL with Django - Access denied for user '@'localhost

http://stackoverflow.com/questions/11170133/using-mysql-with-django-access-denied-for-user-localhost

Use the commands below to set up your database. DROP DATABASE IF EXISTS `mydb` CREATE DATABASE `mydb` DEFAULT CHARACTER SET.. up your database. DROP DATABASE IF EXISTS `mydb` CREATE DATABASE `mydb` DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci.. you need to make sure your db settings are set up properly DATABASES 'default' 'ENGINE' 'django.db.backends.mysql' 'NAME' 'mydb'..

How to set the encoding for the tables' char columns in django?

http://stackoverflow.com/questions/1198486/how-to-set-the-encoding-for-the-tables-char-columns-in-django

Everything is determined by database charset. Doing ALTER DATABASE ... CHARACTER SET utf8 COLLATE utf8_general_ci before running..

How to quote a string value explicitly (Python DB API/Psycopg2)

http://stackoverflow.com/questions/309945/how-to-quote-a-string-value-explicitly-python-db-api-psycopg2

import adapt print adapt Hello World' DROP DATABASE World But what you probably want to do is to write and register..

Running shell command from python and capturing the output

http://stackoverflow.com/questions/4760215/running-shell-command-from-python-and-capturing-the-output

# should output something like # mysqladmin CREATE DATABASE failed error 'Can't create database 'test' database exists'..

How do you set up a Flask application with SQLAlchemy for testing?

http://stackoverflow.com/questions/5025720/how-do-you-set-up-a-flask-application-with-sqlalchemy-for-testing

import SQLAlchemy app Flask __name__ SQLALCHEMY_DATABASE_URI 'something' app.config.from_object __name__ db SQLAlchemy.. url_for abort render_template flash # configuration DATABASE ' tmp flaskr.db' DEBUG True SECRET_KEY 'development key' USERNAME.. to the database. return sqlite3.connect app.config 'DATABASE' def init_db Creates the database tables. with closing connect_db..

Trapping MySQL Warnings In Python

http://stackoverflow.com/questions/647805/trapping-mysql-warnings-in-python

issues a warning to standard error if you submit 'DROP DATABASE IF EXISTS database_of_armaments' when no such database exists... does catch MySQL errors eg submission of a typo like 'DRP DATABASE database_of_armaments' . I have experimented with except.MySQLdb.Warning.. does not exist. try cursor.execute 'DROP DATABASE IF EXISTS database_of_armaments' except WHAT DO I PUT HERE print..

Is there any safe way to parameterize database names in MySQL queries?

http://stackoverflow.com/questions/6656636/is-there-any-safe-way-to-parameterize-database-names-in-mysql-queries

dbConn dbName import MySQLdb c dbConn.cursor query CREATE DATABASE s c.execute query dbName This doesn't work because MySQL's CREATE.. query dbName This doesn't work because MySQL's CREATE DATABASE asks for the unquoted name of the database as in CREATE DATAbASE.. the user provided db name into the query creates CREATE DATABASE 'test_db' And you get you have a problem in your MySQL syntax..

using pyodbc on linux to insert unicode or utf-8 chars in a nvarchar mssql field

http://stackoverflow.com/questions/947077/using-pyodbc-on-linux-to-insert-unicode-or-utf-8-chars-in-a-nvarchar-mssql-field

pyodbc odbcstring SERVER 10.32.42.69 UID sa PWD secret DATABASE Common DRIVER FreeTDS con pyodbc.connect s cur con.cursor cur.execute..