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What does 'foo' really mean?
...9
BCSBCS
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How to disable Golang unused import error
...
Here is an example of how you could use it:
import (
"log"
"database/sql"
_ "github.com/go-sql-driver/mysql"
)
To import a package solely for its side-effects (initialization), use
the blank identifier as explicit package name.
View more at https://golang.org/ref/spec#Import...
Visual Studio: How can I see the same file in two separate tab groups?
...
ctackectacke
64.5k1717 gold badges9090 silver badges149149 bronze badges
a...
Why does modern Perl avoid UTF-8 by default?
...qw< :full >;
use feature qw< unicode_strings >;
use File::Basename qw< basename >;
use Carp qw< carp croak confess cluck >;
use Encode qw< encode decode >;
use Unicode::Normalize qw< NFD NFC >;
END { close STDOUT }
if (grep...
How to parse JSON in Scala using standard Scala classes?
...
This is a solution based on extractors which will do the class cast:
class CC[T] { def unapply(a:Any):Option[T] = Some(a.asInstanceOf[T]) }
object M extends CC[Map[String, Any]]
object L extends CC[List[Any]]
object S extends CC[String]
objec...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...ly 32-bit registers, if the library writer is so motivated. There are SSE-based pow implementations that are more accurate than most x87-based implementations, and there are also implementations that trade off some accuracy for speed.
– Stephen Canon
Jun 22 '1...
NuGet for solutions with multiple projects
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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sbt-assembly: deduplication found error
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Scala 2.8 breakOut
...y a builder. Note in this case, the compiler will infer the expected type based on the builder's type:
scala> def buildWith[From, T, To](b : Builder[T, To]) =
| new CanBuildFrom[From, T, To] {
| def apply(from: From) = b ; def apply() = b
| }
buildWith: [From, T, To]
...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
... to upgrade!
Building on Bill Karwin's answer, to spell out what a rule based approach would look like (transferring from another schema in the same DB, and with a multi-column primary key):
CREATE RULE "my_table_on_duplicate_ignore" AS ON INSERT TO "my_table"
WHERE EXISTS(SELECT 1 FROM my_tab...