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Java 8 stream's .min() and .max(): why does this compile?
...unctionality works in Java 8. It relies on a concept which is informally known as "single abstract method" interfaces, or "SAM" interfaces. The idea is that any interface with one abstract method can be automatically implemented by any lambda - or method reference - whose method signature is a mat...
How to remove all CSS classes using jQuery/JavaScript?
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Shouldn't the attr() version be prop() now?
– Mike
Mar 18 '16 at 23:20
7
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How do I get into a non-password protected Java keystore or change the password?
... Lion (based on comments and another answer here), the password for Mac is now also "changeit", probably because Oracle is now handling distribution for the Mac JVM as well.
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What do all of Scala's symbolic operators mean?
...licit conversion.
These can still be found on ScalaDoc: you just have to know where to look for them. Or, failing that, look at the index (presently broken on 2.9.1, but available on nightly).
Every Scala code has three automatic imports:
// Not necessarily in this order
import _root_.java.lang._...
jQuery append() vs appendChild()
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Do you know why append is "safe" and appendChild is not? What does domManip do?
– Rob Fox
Mar 17 '14 at 8:29
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Is Redis just a cache?
...r_text "No, its a lot more" answered_by 15 votes 1
OK
Handling Up Votes
Now, everytime someone upvotes a question or an answer, you just need to do this
$ HINCRBY question:1 votes 1
(integer) 1
$ HINCRBY question:1 votes 1
(integer) 2
List of Questions for Homepage
Next, we want to store the...
Make xargs execute the command once for each line of input
... away with tr, but they are not available on OS X and other UNIX systems.
Now for the long explanation…
There are two issues to take into account when using xargs:
how does it split the input into "arguments"; and
how many arguments to pass the child command at a time.
To test xargs' behav...
Is it a good idea to index datetime field in mysql?
...it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), INTERVAL 30 DAY) and you have no other index in the condition, MySQL will have to do a full table scan on every query. I'm not sure how many rows are generated in 30 days, but as long as it's less t...
What is the worst gotcha in C# or .NET? [closed]
...pect, that would probably have been a good idea, but I think it's too late now. It might also have looked like I was just trying to get more rep...
– Jon Skeet
Oct 28 '08 at 6:20
1...
Display current time in 12 hour format with AM/PM
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Outmoded now. These formatting codes are now supplanted by the formatting codes of the DateTimeFormatter class, per JSR 310.
– Basil Bourque
Sep 3 '19 at 1:45
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