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How do I add a tool tip to a span element?
...gt;
That gives you plain text tooltips. If you want rich tooltips, with formatted HTML in them, you'll need to use a library to do that. Fortunately there are loads of those.
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How do I make a fully statically linked .exe with Visual Studio Express 2005?
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For the C-runtime go to the project settings, choose C/C++ then 'Code Generation'. Change the 'runtime library' setting to 'multithreaded' instead of 'multithreaded dll'.
If you are using any other libraries you may need to...
How do I prevent the iPhone screen from dimming or turning off while my application is running?
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This remains the same for Swift 4 as well
– Branson Camp
Dec 19 '17 at 21:23
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Why is rbindlist “better” than rbind?
...dlist is an optimized version of do.call(rbind, list(...)), which is known for being slow when using rbind.data.frame
Where does it really excel
Some questions that show where rbindlist shines are
Fast vectorized merge of list of data.frames by row
Trouble converting long list of data.frames (...
How do I apply a perspective transform to a UIView?
I'm looking to perform a perspective transform on a UIView (such as seen in coverflow)
3 Answers
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python pandas: apply a function with arguments to a series
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The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a python function which should have a single parameter. If you want to pass more parameters you should use functools.partial as s...
Mockito: Stubbing Methods That Return Type With Bounded Wild-Cards
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You can also use the non-type safe method doReturn for this purpose,
@Test
public void testMockitoWithGenerics()
{
DummyClass dummyClass = Mockito.mock(DummyClass.class);
List<? extends Number> someList = new ArrayList<Integer>();
Mockito.doReturn(so...
add a string prefix to each value in a string column using Pandas
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As an alternative, you can also use an apply combined with format (or better with f-strings) which I find slightly more readable if one e.g. also wants to add a suffix or manipulate the element itself:
df = pd.DataFrame({'col':['a', 0]})
df['col'] = df['col'].apply(lambda x: "{}{}"...
What do the different readystates in XMLHttpRequest mean, and how can I use them?
...ax_http_response.asp)
In practice you almost never use any of them except for 4.
Some XMLHttpRequest implementations may let you see partially received responses in responseText when readyState==3, but this isn't universally supported and shouldn't be relied upon.
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How to return smart pointers (shared_ptr), by reference or by value?
...>(/* acquire something */);
};
This is a dead-obvious RVO opportunity for modern C++ compilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure...