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How to use classes from .jar files?
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answered Jan 20 '09 at 7:39
Adeel AnsariAdeel Ansari
37.4k1212 gold badges8787 silver badges127127 bronze badges
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Java URL encoding of query string parameters
... "UTF-8".
Note that spaces in query parameters are represented by +, not %20, which is legitimately valid. The %20 is usually to be used to represent spaces in URI itself (the part before the URI-query string separator character ?), not in query string (the part after ?).
Also note that there are t...
generate days from date range
...ct 7 union all select 8 union all select 9) as d
) a
where a.Date between '2010-01-20' and '2010-01-24'
Output:
Date
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2010-01-24
2010-01-23
2010-01-22
2010-01-21
2010-01-20
Notes on Performance
Testing it out here, the performance is surprisingly good: the above query takes 0.0009 s...
PostgreSQL: Difference between text and varchar (character varying)
...h array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle errors ...
Set object property using reflection
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edited May 9 '17 at 20:22
jpaugh
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answered ...
C++ preprocessor __VA_ARGS__ number of arguments
...4, _5, _6, _7, _8, _9,_10, \
_11,_12,_13,_14,_15,_16,_17,_18,_19,_20, \
_21,_22,_23,_24,_25,_26,_27,_28,_29,_30, \
_31,_32,_33,_34,_35,_36,_37,_38,_39,_40, \
_41,_42,_43,_44,_45,_46,_47,_48,_49,_50, \
_51,_52,_53,_54,_55,_56,_57,_58,_59,_60, \
_6...
Best way to randomize an array with .NET
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answered Sep 20 '08 at 17:40
mdbmdb
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Serializing class instance to JSON
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answered Apr 20 '12 at 19:09
stevehasteveha
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Use of class definitions inside a method in Java
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answered Mar 11 '10 at 20:15
Jacob MattisonJacob Mattison
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Infinity symbol with HTML
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answered Feb 12 '10 at 20:30
ЯegDwightЯegDwight
23k99 gold badges4040 silver badges5151 bronze badges
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