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How to select only the first rows for each unique value of a column
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answered Jan 11 '11 at 20:50
gbngbn
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Why main does not return 0 here?
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That rule was added in the 1999 version of the C standard. In C90, the status returned is undefined.
You can enable it by passing -std=c99 to gcc.
As a side note, interestingly 9 is returned because it's the return of printf which just wrote 9 characters.
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Does Ruby have a string.startswith(“abc”) built in method?
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340
It's called String#start_with?, not String#startswith: In Ruby, the names of boolean-ish methods...
How do I use arrays in C++?
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305
Arrays on the type level
An array type is denoted as T[n] where T is the element type and n is...
How to programmatically show next view in ViewPager?
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yprez
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answered Nov 12 '11 at 9:26
Vaibhav MishraVaibhav...
How to calculate the SVG Path for an arc (of a circle)
Given a circle centered at (200,200), radius 25, how do I draw an arc from 270 degree to 135 degree and one that goes from 270 to 45 degree?
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View.setPadding accepts only in px, is there anyway to setPadding in dp?
...yMetrics().density;
int padding_in_px = (int) (padding_in_dp * scale + 0.5f);
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Relatively position an element without it taking up space in document flow
...positioned element within that:
<div style="position: relative; width: 0; height: 0">
<div style="position: absolute; left: 100px; top: 100px">
Hi there, I'm 100px offset from where I ought to be, from the top and left.
</div>
</div>
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How to convert list of key-value tuples into dictionary?
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90
This gives me the same error as trying to split the list up and zip it. ValueError: dictionar...
CSS: transition opacity on mouse-out?
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202
You're applying transitions only to the :hover pseudo-class, and not to the element itself.
.i...