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Automatically import modules when entering the python or ipython interpreter
...roduction scripts.
For Ipython, see this tutorial on how to make a ipython_config file
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Django rest framework, use different serializers in the same ModelViewSet
...
Override your get_serializer_class method. This method is used in your model mixins to retrieve the proper Serializer class.
Note that there is also a get_serializer method which returns an instance of the correct Serializer
class DualSeri...
Unique constraint on multiple columns
...ied from technet's documentation, is in the form of:
CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ]
(
column [ ASC | DESC ] [ ,...n ]
)
Therefore, the resuting table definition would be:
CREATE TABLE [dbo].[user](
[userID] [int] IDENTITY(1,1) NOT NULL,
[fcode] [int] ...
In Mongoose, how do I sort by date? (node.js)
...
You can also sort by the _id field. For example, to get the most recent record, you can do: await db.collection.findOne().sort({ _id: -1 });
– Mike K
Feb 8 at 11:00
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What should a Multipart HTTP request with multiple files look like? [duplicate]
...0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: __atuvc=34%7C7; permanent=0; _gitlab_session=226ad8a0be43681acf38c2fab9497240; __profilin=p%3Dt; request_method=GET
Connection: keep-alive
Content-Type: multipart/form-data; boundary=---------------------------905191404154484...
python pandas remove duplicate columns
...nsider whether the values are duplicated, you want something like df.T.drop_duplicates().T.
– John Zwinck
Feb 9 '18 at 4:58
3
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Using Enum values as String literals
...of enums:
public final class Modes {
public static final String MODE_1 = "Fancy Mode 1";
public static final String MODE_2 = "Fancy Mode 2";
public static final String MODE_3 = "Fancy Mode 3";
private Modes() { }
}
Option Four: interfaces have every field public, static and fin...
Verify version of rabbitmq
...n Windows this is very similar. "C:\Program Files\RabbitMQ Server\rabbitmq_server-3.6.5\sbin\rabbitmqctl status" Folder name may vary with your version of Rabbit.
– dylanT
Nov 10 '16 at 23:58
...
Reset Entity-Framework Migrations
...te the state: Delete the migrations folder in your project; And
Delete the __MigrationHistory table in your database (may be under system tables); Then
Run the following command in the Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -Force
Use with or without -EnableAutomati...
Token Authentication for RESTful API: should the token be periodically changed?
... you can extend it to achieve this functionality.
For example:
from rest_framework.authentication import TokenAuthentication, get_authorization_header
from rest_framework.exceptions import AuthenticationFailed
class ExpiringTokenAuthentication(TokenAuthentication):
def authenticate_credentia...
