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Scala @ operator
...you wanted not the content of Some, but the option itself? That would be accomplished with this:
o match {
case x @ Some(_) => println(x)
case None =>
}
Note that @ can be used at any level, not just at the top level of the matching.
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How do I create an empty array in YAML?
...may not support line breaks inside [] or {} structures, which is a major incompatibility with JSON (copy-paste from Wikipedia) Cheers
– olibre
Feb 12 '13 at 10:51
2
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Determine when a ViewPager changes pages
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118
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How do I set GIT_SSL_NO_VERIFY for specific repos only?
...o need to disable SSL globally: "git -c http.sslVerify=false clone example.com/path/to/git" from stackoverflow.com/a/11622001/1710392
– Étienne
Dec 17 '19 at 16:00
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Lambda Expression and generic method
...type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional interface type (§9.8) and the expression is congruent with the function type of [..] T. [..] A lambda expression is congruent with a function type if all of the follo...
Only initializers, entity members, and entity navigation properties are supported
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Can I make the foreign key field optional in Django model
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@WardC The combo of the two is so frequent because typically if you're going to allow a field to be blank in your form, you're going to also need your database to allow NULL values for that field. The exception is CharFields and TextFie...