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Python/postgres/psycopg2: getting ID of row just inserted
I'm using Python and psycopg2 to interface to postgres.
3 Answers
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How do I ALTER a PostgreSQL table and make a column unique?
..._constraint UNIQUE ((payload::text), name);
– writofmandamus
Oct 6 '17 at 22:22
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How can I tell if a DOM element is visible in the current viewport?
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Update: Time marches on and so have our browsers. This technique is no longer recommended and you should use Dan's solution if you do not need to support version of Internet Explorer before 7.
Original solution (now outdated):
This will check if ...
Exposing a port on a live Docker container
...now I can use the EXPOSE instruction inside a Dockerfile to expose a port, and I can use the -p flag with docker run to assign ports, but once a container is actually running, is there a command to open/map additional ports live?
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How to drop into REPL (Read, Eval, Print, Loop) from Python code
...trary point in its execution, even if the script was launched from the command line?
6 Answers
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How to REALLY show logs of renamed files with git?
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I think that the general drive behind Linus point is that - and take this with a pinch of salt - hardcore git users don't ever care about the history of a "file". You put content in a git repository because the content as a whole has a meaningful history.
A file rename is a small spe...
Await on a completed task same as task.Result?
I'm currently reading " Concurrency in C# Cookbook " by Stephen Cleary, and I noticed the following technique:
2 Answers
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How to use XPath contains() here?
... at the other contains() examples around here, but nothing that uses an AND operator. I can't get this to work:
5 Answe...
How to pass argument to Makefile from command line?
How to pass argument to Makefile from command line?
4 Answers
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Array.Add vs +=
...ment creates a new array with the same elements as old one + the new item, and this new larger array replaces the old one in the $array-variable
You can use the += operator to add an element to an array. When you
use
it, Windows PowerShell actually creates a new array with the values of...