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When would you call java's thread.run() instead of thread.start()?
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Just revisiting ... if never, why is the method public?
– blank
Feb 27 '11 at 8:29
4
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How to Select Every Row Where Column Value is NOT Distinct
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This is significantly faster than the EXISTS way:
SELECT [EmailAddress], [CustomerName] FROM [Customers] WHERE [EmailAddress] IN
(SELECT [EmailAddress] FROM [Customers] GROUP BY [EmailAddress] HAVING COUNT(*) > 1)
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Get Value of a Edit Text field
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If you don't place EditText in the clas-wide scope, and instead declare it in OnCreate, it wants it to be declared as final. I assume it is better not to make it final, but is the only way to do so, to make it class-wide? IS ...
How to print matched regex pattern using awk?
...lt is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
share
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What's the difference between including files with JSP include directive, JSP include action and usi
... is reusable as a custom tag.
The PURPOSE of includes and Tag Files is different.
Tag file (a concept introduced with JSP 2.0) is one of the options for creating custom tags. It's a faster and easier way to build custom tags.
Custom tags, also known as tag extensions, are JSP elements that all...
Mocha / Chai expect.to.throw not catching thrown errors
...a test for my node.js app. The test keeps failing on the thrown error, but If I wrap the test case in try and catch and assert on the caught error, it works.
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postgres: upgrade a user to be a superuser?
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and how can i detect if myuser is currently superuser?
– masterweily
May 10 '13 at 8:18
20
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How Does Modulus Divison Work
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dividend = 5
divisor = 3
5 % 3 = 2
3)5(1
3
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2
but what if divisor is smaller than dividend
dividend = 3
divisor = 5
3 % 5 = 3 ?? how
What is the rationale behind having companion objects in Scala?
...ace to store static factory methods (not that DP) for accompanied classes. If you name those overloaded factory methods apply(/.../) you will be able to create/initialize you class
without 'new' (not really that important)
with different possible sets of parameters (compare to what Bloch writes i...
How to check that a string is an int, but not a double, etc.?
...integer beforehand, so that I can give a helpful error message to the user if it's wrong. PHP has is_int() , but that returns false for string like "2" .
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