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How to check for a valid URL in Java?
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102
Consider using the Apache Commons UrlValidator class
UrlValidator urlValidator = new UrlValida...
How to silence output in a Bash script?
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answered Feb 18 '10 at 22:58
John KugelmanJohn Kugelman
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Java Interfaces/Implementation naming convention [duplicate]
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answered May 11 '10 at 22:17
user177800user177800
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How do you effectively model inheritance in a database?
...nd up with this table:
table Person
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int id (PK)
int rowtype (0 = "Person", 1 = "Employee")
string firstname
string lastname
datetime startdate
For any rows which are rowtype 0 (Person), the startdate will always be null.
Table-Per-Concrete (TPC)
Each class has its own fully formed ...
Execute raw SQL using Doctrine 2
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edited Mar 29 '16 at 10:33
Limon Monte
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Checking if a variable is an integer
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edited Feb 12 at 8:06
Purplejacket
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answered Jan 4 '11 a...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...Error)
Failed to build gem native extension (mkmf (LoadError)) - Ubuntu 12.04
Usually, the solution is:
sudo apt-get install ruby-dev
Or, if that doesn't work, depending on your ruby version, run something like:
sudo apt-get install ruby1.9.1-dev
Should fix your problem.
Still not w...
Mock functions in Go
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answered Oct 3 '13 at 20:42
weberc2weberc2
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AppSettings get value from .config file
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answered May 26 '12 at 13:30
AdamAdam
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