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Why does pattern matching in Scala not work with variables?
...atch {
case `target` => println("It was" + target)
case _ => println("It was something else")
}
}
def mMatch2(s: String) = {
val Target: String = "a"
s match {
case Target => println("It was" + Target)
case _ => println("It was something else"...
Bash: Copy named files recursively, preserving folder structure
... You can also use the -C option to do the chdir for you - tar cf - _files_ | tar -C /dest xf - or something like that.
– D.Shawley
Oct 30 '09 at 15:05
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Disabling Minimize & Maximize On WinForm?
....
If you want to ever actually close the form, make a class-wide boolean _close and, in your handler, set e.Cancel to !_close, so that whenever the user clicks the X on the window, it doesn't close, but you can still close it (without just killing it) with close = true; this.Close();
(And just to...
Set variable in jinja
...
Nice shorthand for Multiple variable assignments
{% set label_cls, field_cls = "col-md-7", "col-md-3" %}
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Is it possible to make anonymous inner classes in Java static?
... a reference to the pointer of the containing instance (they are also not called inner classes anymore, they are called nested classes).
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How to use MDC with thread pools?
....util.Timer classes along with some self-rolled async execution services. All these services manage their own thread pool.
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Easiest way to toggle 2 classes in jQuery
... with the other on (say..) the container. You can guess the other by using _.without() on the array:
$mycontainer.removeClass(_.without(types, type)[0]).addClass(type);
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Purge Kafka Topic
...--entity-name <topic name> --add-config retention.ms=1000 This also allows you to check the current retention period, e.g. kafka-configs --zookeeper <zkhost>:2181 --describe --entity-type topics --entity-name <topic name>
– RHE
Jun 2 '16 at ...
Why does Oracle 9i treat an empty string as NULL?
...r exists but is not known by the user, data where there is no answer, etc. all of which constitute some sense of NULL).
By the time that the SQL standard came around and agreed that NULL and the empty string were distinct entities, there were already Oracle users that had code that assumed the two ...
Eclipse secure storage
...ure it is a good workaround (but less secure) to prevent that silly prompt all the time.
– рüффп
Feb 20 '12 at 9:24
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