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What is the string concatenation operator in Oracle?
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238
It is ||, for example:
select 'Mr ' || ename from emp;
The only "interesting" feature I can ...
How to run Rake tasks from within Rake tasks?
...not automatically re-executed unless they are re-enabled. In Rake >= 10.3.2, you can use the following to re-enable those as well:
Rake::Task["build"].all_prerequisite_tasks.each(&:reenable)
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Formula px to dp, dp to px android
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321
Note: The widely used solution above is based on displayMetrics.density. However, the docs expl...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
... ThomeeThomee
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Is if(items != null) superfluous before foreach(T item in items)?
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answered Aug 21 '15 at 7:04
kjbartelkjbartel
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Java serialization: readObject() vs. readResolve()
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answered Jul 22 '09 at 21:31
Michael Myers♦Michael Myers
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Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
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Thomas Vander Stichele
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answered May 19 '11 at 22:58
definesdefines
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How can I get the current user's username in Bash?
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answered Oct 10 '13 at 21:49
SethMMortonSethMMorton
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CSS, Images, JS not loading in IIS
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adam0101
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answered Apr 2 '15 at 10:53
Moiz Tankiwal...