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How can I round up the time to the nearest X minutes?
...ldDateTimeObject.Minute % 15);
}
and is called like that
DateTime thisIsNow = DateTime.Now;
DateTime nextQuarterHour = GetNextQuarterHour(thisIsNow);
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What is the Simplest Way to Reverse an ArrayList?
...T element = list.get(i);
result.add(element);
}
// result now holds a reversed copy of the original list
return result;
}
This is more efficient, but also more verbose.
Alternatively, we can rewrite the above to use Java 8's stream API, which some people find more concise and...
JFrame in full screen Java
...ay need to set DisplayMode.BIT_DEPTH_MULTI and DisplayMode.REFRESH_RATE_UNKNOWN when applying a new display mode. I didn't have to use setExtendedState. Tested working using Kubuntu 15.10 with Java 8.
– code_dredd
Jan 16 '16 at 20:54
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How to extract year and month from date in PostgreSQL without using to_char() function?
... That's right. U can use to compare: date(date_trunc( 'month', now())) = to_Date(5::varchar || ' ' || 2017::varchar, 'mm YYYY')
– Alejandro Salamanca Mazuelo
May 19 '17 at 21:22
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How can I get Docker Linux container information from within the container itself?
...for small number of container, you do not have to worry about it. I don't know how to get full id directly.
You can inspect container similar way as outlined in banyan answer:
GET /containers/4abbef615af7/json HTTP/1.1
Response:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Id": "...
Choosing the default value of an Enum type without having to change values
... In your implicit conversion operator you need value + 1, otherwise now your default(Orientation) returns East. Also, make the constructor private. Good approach.
– nawfal
Jun 10 '15 at 20:53
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How to compare a local git branch with its remote branch?
...what my push will do to remote repo.
– Michał Tatarynowicz
Aug 12 '13 at 12:51
78
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Is it possible to solve the “A generic array of T is created for a varargs parameter” compiler warni
...t the method side to make this warning go away in situations where it was known to be safe.
This has been implemented in OpenJDK with this commit.
This may or may not be useful to your project (many people wouldn't be happy to switch to a pre-release unstable version of the JVM!) but perhaps it is...
What is
...
I am sorry, I know the question is a bit old, but what can we say if we instead write Comparable<? extends T>. What would it mean and why the code does not compile?
– tonix
Dec 3 '17 at 0:17
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Getting a slice of keys from a map
...nswer is slightly more concise, but slightly less efficient. You already know how big it's going to be so you don't even need to use append:
keys := make([]int, len(mymap))
i := 0
for k := range mymap {
keys[i] = k
i++
}
In most situations it probably won't make much of a difference, bu...