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Difference between StringBuilder and StringBuffer
... }
}
}
A test run gives the numbers of 2241 ms for StringBuffer vs 753 ms for StringBuilder.
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The provided URI scheme 'https' is invalid; expected 'http'. Parameter name: via
...t to the service fine for development with all the standard stuff, letting VS create the classes for me, which then get compiled into the DLL. It's just at runtime I can't upload the config file with all the connection information.
– eidylon
Jan 4 '19 at 21:28
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Remove all files except some from a directory
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rm !(textfile.txt|backup.tar.gz|script.php|database.sql|info.txt)
The extglob (Extended Pattern Matching) needs to be enabled in BASH (if it's not enabled):
shopt -s extglob
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MySQL OPTIMIZE all tables?
... in the database and/or server install, or is this something you'd have to script up yourself?
14 Answers
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What is the difference between Factory and Strategy patterns?
...sts:
Real World Example of the Strategy Pattern
Design Patterns: Factory vs Factory method vs Abstract Factory
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How to drop all user tables?
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I think the script could be dangerous. If you are connected as SYSDBA than it deletes ALL tables of ALL users and also ALL system tables. In practice you delete the whole DB. Be careful!
– Zardo
Jan...
Specify an SSH key for git push for a given domain
...ilar to sinelaw's answer but using this method instead of having to create scripts somewhere.
– Inigo
May 17 at 14:43
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R command for setting working directory to source file location in Rstudio
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To get the location of a script being sourced, you can use utils::getSrcDirectory or utils::getSrcFilename. So changing the working directory to that of the current file can be done with:
setwd(getSrcDirectory()[1])
This does not work in RStudio ...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
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@wilhelmtell: Well, to write the script one still needs another solution, which was my point – a lookup table is simple to use but not simple to create. (Except by copying a ready-made lookup table, but then one might just as well copy any solution.) For e...
Check if value exists in Postgres array
...al ways to use it:
SQLAlchemy: how to filter on PgArray column types?
IN vs ANY operator in PostgreSQL
Important difference: Array operators (<@, @>, && et al.) expect array types as operands and support GIN or GiST indices in the standard distribution of PostgreSQL, while the ANY ...