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Comparing boxed Long values 127 and 128
...val1 = 127L;
Long val2 = 127L;
System.out.println(val1 == val2);
Long val3 = 128L;
Long val4 = 128L;
System.out.println(val3 == val4);
Outputs this:
true
false
For the 127L value, since both references (val1 and val2) point to the same object instance in memory (cached), it returns true...
ValueError : I/O operation on closed file
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edited May 19 at 16:30
Boris
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answered Sep ...
Warning: Found conflicts between different versions of the same dependent assembly
...ch consists of 20 projects. Some of those projects are compiled using .NET 3.5, some others are still .NET 2.0 projects (so far no problem).
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Is there a way to list open transactions on SQL Server 2000 database?
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Jibin Balachandran
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answered Dec 15 '10 at 12:45
gbngbn
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Database cluster and load balancing
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132
Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two o...
how to set textbox value in jquery
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edited Nov 16 '10 at 12:32
answered Nov 16 '10 at 12:16
F...
Can't install via pip because of egg_info error
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143
Found out what was wrong. I never installed the setuptools for python, so it was missing some vi...
Hidden features of Scala
...al regex = "(\\d+)/(\\d+)/(\\d+)".r
val regex(year, month, day) = "2010/1/13"
The second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why t...
How to switch position of two items in a Python list?
... Tiago Martins Peres 李大仁
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answered Mar 22 '10 at 16:31
samtregarsamtregar
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Choice between vector::resize() and vector::reserve()
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edited Mar 30 '16 at 18:18
Community♦
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answered Sep 13 '11 at 6:49
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