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How to style the option of an html “select” element?
...pe of element is an example of a "replaced element". They are OS-dependent and are not part of the HTML/browser. It cannot be styled via CSS.
There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled.
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
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LINQ To Entities does not recognize the method Last. Really?
...mes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do a First(), which is what you did.
EDIT:
Other providers will possibly hav...
How do I programmatically force an onchange event on an input?
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Create an Event object and pass it to the dispatchEvent method of the element:
var element = document.getElementById('just_an_example');
var event = new Event('change');
element.dispatchEvent(event);
This will trigger event listeners regardless ...
Using :before CSS pseudo element to add image to modal
...class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
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Undefined symbols for architecture arm64
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If your Architectures and Valid Architectures are all right, you may check whether you have added $(inherited) , which will add linker flags generated in pods, to Other Linker Flags as below:
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How to get the Power of some Integer in Swift language?
...60 (see developer.apple.com/library/ios/documentation/Swift/Conceptual/… and developer.apple.com/library/ios/documentation/Swift/Conceptual/…) like so: infix operator ^^ { precedence 160 } func ^^... and so on
– Tim Arnold
May 26 '15 at 2:34
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Why does `True == False is False` evaluate to False? [duplicate]
...comparison, so
True == False is False
is equivalent to
(True == False) and (False is False)
This can be surprising in this case, but lets you write 1 <= x < 4 unlike in other languages like C.
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How do I exit from the text window in Git?
I am using Windows and before committing, Git wants me to enter a text message and a new text window appears.
7 Answers
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Can you require two form fields to match with HTML5?
...e to be done with javascript? For example, if you have two password fields and want to make sure that a user has entered the same data in each field, are there some attributes, or other coding that can be done, to achieve this?
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