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How can I use interface as a C# generic type constraint?
...an classes and structs, you're wrong. class means any reference type (e.g. includes interfaces too) and struct means any value type (e.g. struct, enum).
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Scala: Abstract types vs generics
...with generics supports parameterization also for types.
The arguments for including generics in Scala are two-fold:
First, the encoding into abstract types is not that straightforward to do by hand. Besides the loss in conciseness, there is also the problem of accidental name
conflicts between...
JavaScript global event mechanism
...ve and store. If you choose atatus.com, you dont need to do anything. Just include two lines of script in your page.
– Fizer Khan
Sep 25 '15 at 6:53
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CSS selector for first element with class
... your elements with that class:
/*
* Select all .red children of .home, including the first one,
* and give them a border.
*/
.home > .red {
border: 1px solid red;
}
... then "undo" the styles for elements with the class that come after the first one, using the general sibling combinat...
Accessing inactive union member and undefined behavior?
...e paragraph 21 of the section 6.2.5:
Note that aggregate type does not include union type because an object
with union type can only contain one member at a time.
This requirement seem to clearly imply that you must not write in a member and read in another one. In this case it might be unde...
How do I break a string over multiple lines?
...on changes..."
}
2. Literal Block Scalar: A Literal Block Scalar | will include the newlines and any trailing spaces. but removes extra
newlines after the block.
---
# After string we have 2 spaces and 2 new lines
content1: |
Arbitrary free text
over "multiple lines" stopping
after indentati...
Choose File Dialog [closed]
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I edited the code above to show how to include the folders. You should be able to figure out the rest. If you detect that the file pressed is a directory in onClick just set the new path and call onCreateDialog again.
– Nathan Schwermann
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How to split a string in Haskell?
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@RussAbbott the split package is included in the Haskell Platform when you download it (haskell.org/platform/contents.html), but it is not automatically loaded when building your project. Add split to the build-depends list in your cabal file, e.g. if your p...
Get value of a string after last slash in JavaScript
...st character is at index 0`.
end = Optional. The position (up to, but not including) where to end the extraction. If omitted, it extracts the rest of the string.
var string = "var1/var2/var3";
start = string.lastIndexOf('/'); //console.log(start); o/p:- 9
end = string.length; ...
How to parse an RSS feed using JavaScript?
...d you add a prompt for entering feed url, then concatenate the property to include a value in order to parse whatever rss feed you wanted? for example, if I was dealing with multiple images, I could concatenate the string and value: document.getElementById('image').style.backgroundImage = "url('" + ...