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What is the difference between
Can some one please describe the usage of the following characters which is used in ERB file:
7 Answers
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What order are the Junit @Before/@After called?
... Suite. I have a IntegrationTestBase class for all my tests to extend. This base class has a @Before ( public void setUp() ) and @After ( public void tearDown() ) method to establish API and DB connections. What I've been doing is just overriding those two methods in each testcase and calling ...
Why am I getting an OPTIONS request instead of a GET request?
it does an OPTIONS request to that URL, and then the callback is never called with anything.
10 Answers
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How can I easily convert DataReader to List? [duplicate]
I have data in a DataReader which I want to be converted to a List<T> .
What is a possible simple solution for this?
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How do you clear a stringstream variable?
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For all the standard library types the member function empty() is a query, not a command, i.e. it means "are you empty?" not "please throw away your contents".
The clear() member function is inherited from ios and is used to clear the error state of the stream, e.g. if a file stream has...
Are there any reasons to use private properties in C#?
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edited Jan 6 '12 at 20:12
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Why is lazy evaluation useful?
I have long been wondering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
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Get top 1 row of each group
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SELECT *
FROM cte
WHERE rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one. To get both entries for a day, use DENSE_RANK instead
As for normalised or not, it depends if you want to:
maintain status in 2 places
preserve status history
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As it stands, you preserve ...
Concatenating two std::vectors
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answered Oct 14 '08 at 15:48
Robert GambleRobert Gamb...
Why does my 'git branch' have no master?
I'm a git newbie and I keep reading about a "master" branch. Is "master" just a conventional name that people used or does it have special meaning like HEAD ?
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