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String formatting in Python 3
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Python 3.6 now supports shorthand literal string interpolation with PEP 498. For your use case, the new syntax is simply:
f"({self.goals} goals, ${self.penalties})"
This is similar to the previous .format standard, but lets one easil...
Tool to generate JSON schema from JSON data [closed]
... The old sites were definitely not good enough. JSONSchema.Net has now been rewritten. It's much more robust. If you have any issues, please report them on GitHub and I'll gladly fix them: github.com/jackwootton/json-schema
– Jack
Feb 21 '18 at 8:17
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How do you create a read-only user in PostgreSQL?
...ble to create tables anyway
GRANT CREATE ON SCHEMA public to writeuser;
# Now create the read-only user
CREATE ROLE readonlyuser WITH LOGIN ENCRYPTED PASSWORD 'strongpassword';
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonlyuser;
If your read-only user doesn't have permission to list tabl...
What is a “symbol” in Julia?
...t – as data – the foo on the left hand side of this:
foo == "foo"
Now we're getting to the heart of the matter: the difference between a symbol and a string is the difference between foo on the left hand side of that comparison and "foo" on the right hand side. On the left, foo is an identi...
C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
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For now you can use the Boost Timer and then gracefully migrate to Chrono when it is reviewed/accepted.
– Anonymous
Feb 26 '09 at 13:40
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How to use double or single brackets, parentheses, curly braces
...nt for a top loader )
$ { date; make 2>&1; date; } | tee logfile
# now we can calculate the duration of a build from the logfile
There is a subtle syntactic difference with ( ), though (see bash reference) ; essentially, a semicolon ; after the last command within braces is a must, and th...
CSS - How to Style a Selected Radio Buttons Label?
... You just killed keyboard access! hope all your users are able bodied. ...now, if you just keep the radio button there, without using display:none; then the browsers will make it work with keyboard just fine.
– gcb
Jul 29 '15 at 22:35
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How to [recursively] Zip a directory in PHP?
... @Danjah: I've updated the code, should work for both *nix and Windows now.
– Alix Axel
Oct 18 '11 at 23:38
6
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Insert, on duplicate update in PostgreSQL?
...rying to prevent a natural and healthy DB behavior. I understand it better now.
– W.M.
Aug 8 '16 at 15:58
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Return number of rows affected by UPDATE statements
... OUTPUT INSERTED.* INTO @temp
WHERE
StartTime > '2009 JUL 09'
-- now get the count of affected records
SELECT COUNT(*) FROM @temp
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