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Difference between solr and lucene
... complex operations. Any application can use this library, not just Solr.
3) Solr is built around Lucene. It is not just an http-wrapper around Lucene but has been known to add more arsenal to Lucene. Solr is ready-to-use out of box. It is a web application that offers related infrastructure and a ...
Ball to Ball Collision - Detection and Handling
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answered Dec 6 '08 at 3:50
Jay ConrodJay Conrod
25.4k1616 gold badges8787 silver badges106106 bronze badges
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PDOException SQLSTATE[HY000] [2002] No such file or directory
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31 Answers
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Factors in R: more than an annoyance?
...] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# [31] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# [41] setosa setosa setosa setosa setosa setosa setosa setosa setosa setosa
# Levels: setosa
s[s == 'setosa', drop=FALSE]
# [1] setosa setosa setosa ...
Performant Entity Serialization: BSON vs MessagePack (vs JSON)
...of "a" from 1 to 2000.
With MessagePack, 1 uses only 1 byte but 2000 uses 3 bytes. So "b" must be moved backward by 2 bytes, while "b" is not modified.
With BSON, both 1 and 2000 use 5 bytes. Because of this verbosity, you don't have to move "b".
MessagePack has RPC
MessagePack, Protocol Buffers,...
Fastest way to check if a string is JSON in PHP?
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30 Answers
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submitting a GET form with query string params and hidden params disappear
...idden" name="b" value="2" />
<input type="hidden" name="c" value="3" />
<input type="submit" />
</form>
I wouldn't count on any browser retaining any existing query string in the action URL.
As the specifications (RFC1866, page 46; HTML 4.x section 17.13.3) state:
If th...
Finding ALL duplicate rows, including “elements with smaller subscripts”
...ta frame is a duplicate of an element with a smaller subscript. So if rows 3, 4, and 5 of a 5-row data frame are the same, duplicated will give me the vector
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How to format a java.sql Timestamp for displaying?
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Rodrigue
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answered Jul 20 '09 at 23:19
ChssPly76ChssPly...
What is the difference between 'typedef' and 'using' in C++11?
...s be used in contexts which allows initialization statements
// C++11 (C++03) (init. statement in for loop iteration statements).
for(typedef int Foo; Foo{} != 0;) {}
// C++17 (if and switch initialization statements).
if (typedef int Foo; true) { (void)Foo{}; }
// ^^^^^^^^^^^^^^^ init-statement
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