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How does type Dynamic work and how to use it?
...9: Int = 6
scala> d.concat("a", "b", "c")
res90: String = abc
At the top of all, it is also possible to combine Dynamic with macros:
class DynImpl extends Dynamic {
import language.experimental.macros
def applyDynamic[A](name: String)(args: A*): A = macro DynImpl.applyDynamic[A]
}
object...
Very simple log4j2 XML configuration file using Console and File appender
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
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What MIME type should I use for CSV?
...ut being butt-hurt, but about 80 percent of the answer being, in fact, off-topic.
– Stijn de Witt
Sep 15 '17 at 14:56
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Volatile vs. Interlocked vs. lock
... just ensures the two CPUs see the same data at the same time. It doesn't stop them at all from interleaving their reads and write operations which is the problem you are trying to avoid.
Second Best:
lock(this.locker) this.counter++;
This is safe to do (provided you remember to lock everywhere el...
Select first row in each GROUP BY group?
...
@PirateApp: Not from the top of my head. DISTINCT ON is only good for getting one row per group of peers.
– Erwin Brandstetter
Jun 3 '18 at 1:21
...
Is gcc 4.8 or earlier buggy about regular expressions?
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When to use the brace-enclosed initializer?
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Git commits are duplicated in the same branch after doing a rebase
...rarily pulled out of dev
C7 is applied to dev
C5 and C6 are played back on top of C7, creating new diffs and therefore new commits
So, in your dev branch, C5 and C6 effectively no longer exist: they are now C5' and C6'. When you push to origin/dev, git sees C5' and C6' as new commits and tacks the...
What does OSGi solve?
...Gi component model is a dynamic model. Bundles can be installed, started, stopped, updated, and uninstalled without bringing down the whole system. Many Java developers do not believe this can be done reliably and therefore initially do not use this in production. However, after using this in develo...