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What is the difference between self-types and trait subclasses?
...is extended, then you're required to mix-in an A.
When a concrete class finally extends/mixes-in these traits, some class/trait must implement A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
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java.lang.UnsupportedClassVersionError: Bad version number in .class file?
...n I include an opensource library that I had to compile from source. Now, all the suggestions on the web indicate that the code was compiled in one version and executed in another version (new on old). However, I only have one version of JRE on my system. If I run the commands:
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Python ValueError: too many values to unpack [duplicate]
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edited May 23 '17 at 11:33
Community♦
111 silver badge
answered Aug 13 '11 at 22:11
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Android: checkbox listener
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answered Dec 5 '11 at 14:34
ChrisChris
20.6k44 gold badges5252 silver badges4545 bronze badges
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How to enable LogCat/Console in Eclipse for Android?
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answered Jul 19 '10 at 10:11
PraveenPraveen
85.2k7272 gold ba...
Secure hash and salt for PHP passwords
It is currently said that MD5 is partially unsafe. Taking this into consideration, I'd like to know which mechanism to use for password protection.
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How can I specify a branch/tag when adding a Git submodule?
...hich commit their submodule directory points to. git submodule update actually merges in the new code.
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Is 1.0 a valid output from std::generate_canonical?
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@user quality of implementation - all the things that make one conformant implementation better than another e.g. performance, behavior in edge cases, helpfulness of error messages.
– ecatmur
Sep 4 '14 at 20:09
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iPad/iPhone hover problem causes the user to double click a link
... ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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