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What's the fastest way to do a bulk insert into Postgres?
...r consideration is the datamodel and the presence of constraints,triggers, etc.
My first approach is always: create a (temp) table with a structure similar to the target table (create table tmp AS select * from target where 1=0), and start by reading the file into the temp table.
Then I check what ...
Disable a method in a ViewSet, django-rest-framework
...here is less chance of forgetting some of important methods OPTIONS, HEAD, etc
P.P.S.
by default DRF has http_method_names = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options', 'trace']
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Array versus List: When to use which?
...er - List<T> is one-dimensional; where-as you have have rectangular (etc) arrays like int[,] or string[,,] - but there are other ways of modelling such data (if you need) in an object model.
See also:
How/When to abandon the use of Arrays in c#.net?
Arrays, What's the point?
That said, I ...
Differences between Ant and Maven [closed]
...tory", "Put the results in target/classses", "Create a JAR from the ....", etc. Where Ant had to be explicit about the process, there was something "built-in" to Maven that just knew where the source code was and how it should be processed.
High-level Comparison
The differences between Ant and Ma...
Logging levels - Logback - rule-of-thumb to assign log levels
... (system start, stop) go here. "Session" lifecycle events (login, logout, etc.) go here. Significant boundary events should be considered as well (e.g. database calls, remote API calls). Typical business exceptions can go here (e.g. login failed due to bad credentials). Any other event you think ...
Set environment variables on Mac OS X Lion
...someone says "edit your .plist file" or "your .profile" or ".bash_profile" etc, this just confuses me. I have no idea where these files are, how to create them if I have to do that, etc, and also why there seem to be so many different ones (why? Do they do different things?)
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what is the difference between OLE DB and ODBC data sources?
...ocol in managed code, only using native code to handle the TCP/Named Pipes/etc transmission over the network. For databases that don't have a managed provider of their own, you can use System.Data.OleDb to wrap OLE DB or System.Data.Odbc to wrap ODBC, but it's not recommended.
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Is Redis just a cache?
...ps you with all the plumbing on the server side.
Persistence, Reliability etc.
Unlike a Cache, Redis persists data on the hard disk. You can have a master-slave setup to provide better reliability. To learn more, go through Persistence and Replication topics over here - http://redis.io/documentati...
Python executable not finding libpython shared library
... started). This setting will affect your user only.
Add /usr/local/lib to /etc/ld.so.conf and run ldconfig. This is a system-wide setting of course.
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How do I include negative decimal numbers in this regular expression?
...itive values, but I want it to also allow negative values e.g. -10, -125.5 etc.
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