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What does the “@” symbol do in Powershell?
...tialise arrays. What exactly does the @ symbol denote and where can I read more about it?
5 Answers
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PostgreSQL ERROR: canceling statement due to conflict with recovery
... query that causes the error works fine for 1 month but when you query for more than 1 month an error results.
8 Answers
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Emulate a do-while loop in Python?
... you return the same state, you can pick up where you left off? Give a bit more context. It seems like you might be better off using an index into the list.
– Tom
Apr 13 '09 at 6:48
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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
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There is absolutely no reason to use ext/mysql—choose one of the other, more modern, extensions instead and reap the rewards of the benefits they offer.
You have (your own) legacy codebase that currently depends upon ext/mysql.
It would be wise to perform regression testing: you really shouldn't...
Why are there no ++ and -- operators in Python?
...ger concern being readability and predictability. Back in my C days, I saw more than enough bugs stemming from misunderstandings about the distinction between i++ and ++i...
– Charles Duffy
Jul 17 '13 at 14:54
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How to check if an object is nullable?
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Convert SQLITE SQL dump file to POSTGRESQL
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A few more issues I ran into: changing BLOB into BYTEA (stackoverflow.com/questions/3103242), changing 0/1 for BOOLEAN columns to '0'/'1', and deferring constraints (DEFERRABLE / SET CONSTRAINTS ALL DEFERRED).
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Windows batch: formatted date into variable
...variable namespace.
If you need UTC instead of local time, the command is more or less the same:
for /f %%x in ('wmic path win32_utctime get /format:list ^| findstr "="') do set %%x
set today=%Year%-%Month%-%Day%
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When to use Vanilla JavaScript vs. jQuery?
...thout jQuery, especially when performance is crucial. I'll try to think of more.
– user113716
Jan 10 '11 at 22:53
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Maximum packet size for a TCP connection
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