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ng-repeat :filter by single field
...re filtering by color. This method is more compact, which might be useful if you want to search by multiple properties, and you'd rather not have a long object in the HTML: filter:{ color: '...', size: '...', ...}
– Mark Rajcok
Feb 6 '13 at 16:21
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How to select the row with the maximum value in each group
...solution:
require(data.table) ## 1.9.2
group <- as.data.table(group)
If you want to keep all the entries corresponding to max values of pt within each group:
group[group[, .I[pt == max(pt)], by=Subject]$V1]
# Subject pt Event
# 1: 1 5 2
# 2: 2 17 2
# 3: 3 5 ...
Correct use of flush() in JPA/Hibernate
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if flush() sends data to the database? what happens if an exception is thrown after that? Will the entity manager rollback everything? even the data written in the first flush?
– Jaime Hablutzel
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@OneToMany List vs Set difference
Is there any difference if I use
2 Answers
2
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How to convert byte array to string [duplicate]
...lts of this will vary depending on how the operating system is configured. If you know what encoding the string really is you should use that one instead.
– Wolfgang
Nov 5 '15 at 15:18
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HTML5 textarea placeholder not appearing
...date (2020)
This is not true anymore, according to the HTML5 parsing spec:
If the next token is a U+000A LINE FEED (LF) character token,
then ignore that token and move on to the next one. (Newlines
at the start of textarea elements are ignored as an authoring
convenience.)
You might still have ...
Difference between Lookup() and Dictionary(Of list())
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Two significant differences:
Lookup is immutable. Yay :) (At least, I believe the concrete Lookup class is immutable, and the ILookup interface doesn't provide any mutating members. There could be other mutable implementations, of ...
What is the Gradle artifact dependency graph command?
... one that everyone else depends on) and not in the main project...not sure if that is bad or good at this point.
– Dean Hiller
Sep 5 '12 at 21:15
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Is PHP's count() function O(1) or O(n) for arrays?
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@Matt It's checking if hash structure is valid, as I can see. It's defined in zend_hash.c and it's O(1) also.
– Vladislav Rastrusny
Apr 29 '11 at 18:09
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How to quickly and conveniently create a one element arraylist [duplicate]
...List backed by a varargs T.
return Arrays.asList(s);
Variable size List
If it needs vary in size you can construct an ArrayList and the fixed-sizeList like
return new ArrayList<String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new A...