Posted
by MMRUser
on Stack Overflow
See other posts from Stack Overflow
or by MMRUser
Published on 2010-03-03T08:48:06Z
Indexed on
2010/04/23
6:13 UTC
Read the original article
Hit count: 191
Is there any robust way of implementing Cassandra back end to a web application developed using Django web framework.
Thanks
© Stack Overflow or respective owner
as seen on Stack Overflow
- Search for 'Stack Overflow'
I've been using django-mptt in my project for a while now, it's fabulous. Recently, I've found a need to override a model's save() method that uses mptt, and I'm getting an error when I try to save a new instance of that model:
Exception Type: ValueError at /admin/scrivener/page/add/
Exception Value:…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I'm getting the error:
Exception Value: (1110, "Column 'about' specified twice")
As I was reviewing the Django error page, I noticed that the customizations the model User, seem to be appended to the List twice.
This seems to be happening here in django/db/model/base.py in base_save():
values…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
I've been struggling to deploy Django application on Amazon EC2 using Bitnami Djangostack for the last couple of days. When I go to http://dewey.io I see the default bitnami page (/opt/bitnami/apache2/htdocs/index.html), however, when I open http://dewey.io/portnoy, I get 'Internal Server Error'…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
when i run development server it works very well, even an empty project runing in mod_wsgi i have no problem but when i want to put my own project i get an Internal Server Error (500)
in my apache conf i put
WSGIScriptAlias /codevents C:/django/apache/CODEvents.wsgi
<Directory "C:/django/apache">
Order…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
when i run development server it works very well, even an empty project runing in mod_wsgi i have no problem but when i want to put my own project i get an Internal Server Error (500)
in my apache conf i put
WSGIScriptAlias /codevents C:/django/apache/CODEvents.wsgi
<Directory "C:/django/apache">
Order…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
When using the Perl module Net::Cassandra::Easy to interface with Cassandra I use the following code to read colums col[123] from rows row[123] in column-family Standard1:
my $cassandra = Net::Cassandra::Easy->new(keyspace => 'Keyspace1', server => 'localhost');
$cassandra->connect();
my…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
In Cassandra, I have the following Column Family:
<ColumnFamily CompareWith="TimeUUIDType" Name="Posts"/>
I'm trying to insert a record into it as follows using a C++ generated function generated by Thrift:
ColumnPath new_col;
new_col.__isset.column = true; /* this is required! */
new_col…
>>> More
as seen on Super User
- Search for 'Super User'
I wrote a shell script that runs on remote host to build source code with 'ant build' command, and then distribute the built binary to other servers.
However, right after Ant build is over successfully(I can see the command line output saying Build was successful), the ssh session ends and whatever…
>>> More
as seen on Server Fault
- Search for 'Server Fault'
I'm not managing to connect to cassandra from outside machines. The database is hosted on a windows machine and im trying to connect through a mac (but this shouldn't cause problems)
Local connection works:
C:\cassandra\bin>cassandra-cli
Starting Cassandra Client
Connected to: "Test Cluster"…
>>> More
as seen on Stack Overflow
- Search for 'Stack Overflow'
The following is a complete catalogue of all log messages generated by Cassandra 0.6 when stress-testing a Cassandra installation over an extended period of time:
AntiEntropyService: Sending AEService tree for (,) to: []
CassandraDaemon: Binding thrift service to localhost/N.N.N.N:N
CassandraDaemon:…
>>> More
