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Open Source Java Profilers [closed]
... herrtim
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answered Jun 4 '09 at 4:16
ChiChi
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How do I change column default value in PostgreSQL?
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Silver LightSilver Light
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Scala: join an iterable of strings
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432
How about mkString ?
theStrings.mkString(",")
A variant exists in which you can specify a pr...
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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best practice to generate random token for forgot password
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edited May 23 '17 at 11:33
Community♦
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answered Sep 20 '13 at 7:14
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Difference between rake db:migrate db:reset and db:schema:load
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1328
db:migrate runs (single) migrations that have not run yet.
db:create creates the database
db:...
Show pop-ups the most elegant way
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edited Jan 17 '18 at 18:33
skeletank
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answered ...
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...
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...