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Render HTML to an image
Is there a way to render html to image like PNG? I know that it is possible with canvas but I would like to render standard html element like div for example.
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Set custom HTML5 required field validation message
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Code snippet
Since this answer got very much attention, here is a nice configurable snippet I came up with:
/**
* @author ComFreek <https://stackoverflow.com/users/603003/comfreek>
* @link https://stackoverflow.com/a/16069817/603003
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How to access the ith column of a NumPy multidimensional array?
...milarly,
>>> test[1,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly much quicker than accessing each element in a loop.
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Why should I use 'li' instead of 'div'?
I'm not sure why I need to use ul-li vs simply using divs when listing items. I can make both look exactly the same so where is the functional advantage to creating an unordered list vs lining up divs?
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Appending a vector to a vector [duplicate]
...r
a.insert(std::end(a), std::begin(b), std::end(b));
The second variant is a more generically applicable solution, as b could also be an array. However, it requires C++11. If you want to work with user-defined types, use ADL:
using std::begin, std::end;
a.insert(end(a), begin(b), end(b));
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How do I test which class an object is in Objective-C?
How do I test whether an object is an instance of a particular class in Objective-C? Let's say I want to see if object a is an instance of class b, or class c, how do I go about doing it?
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How do I get the path of the assembly the code is in?
Is there a way to get the path for the assembly in which the current code resides? I do not want the path of the calling assembly, just the one containing the code.
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Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
I am trying to determine the best time efficient algorithm to accomplish the task described below.
16 Answers
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Running shell command and capturing the output
...ll execute a shell command and return its output as a string , no matter, is it an error or success message. I just want to get the same result that I would have gotten with the command line.
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Why do I get “unresolved external symbol” errors when using templates? [duplicate]
...ally in a separate .cpp file (e.g. the program source). When the template is used, the compiler needs the full code for that function to be able to build the correct function with the appropriate type. However, in this case the code for that function is detailed in the template's source file and h...