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What's the difference between dynamic (C# 4) and var?
...X { public int Y {get;set;} } dynamic(X) s = GetSpecialX(); Calling string test = s.Y; would generate a compiler error because the compiler knows about Y but string test2 = s.Z would compile fine and be checked at run-time. I could think of much value of such half-dynamic classes!
...
Check if a user has scrolled to the bottom
...t() == $(document).height()) {
alert("bottom!");
}
});
You can test it here, this takes the top scroll of the window, so how much it's scrolled down, adds the height of the visible window and checks if that equals the height of the overall content (document). If you wanted to instead ch...
Is it possible to reference one CSS rule within another?
... }
});
return includes;
}
and equivalent css:
.test {
background-color: yellow;
}
.productBox, .imageBox {
--inherits: .test;
display: inline-block;
}
and equivalent HTML :
<div class="imageBox"></div>
I tested it and wor...
Override ActiveRecord attribute methods
...ame, name.capitalize)
end
def name
read_attribute(:name).downcase # No test for nil?
end
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How to use a dot “.” to access members of dictionary?
... :-) can you make it work with keys that have already dot in the name? {"test.foo": "bar"} can be accessed via mymap.test.foo That would be fantastic. It will take some regressesion to convert a flat map to a deep map then apply DotMap to it, but it's worth it!
– dlite922
...
Why use pointers? [closed]
...n't use them. Beware of the "they're probably faster" reason. Run your own tests and if they actually are faster, then use them.
However, let's say you're solving a problem where you need to allocate memory. When you allocate memory, you need to deallocate it. The memory allocation may or may not b...
Numpy `logical_or` for more than two arguments
..., a))
or whatever permutation you like.
Back to python, if you want to test whether a condition (yielded by a function test that takes a testee and returns a boolean value) applies to a or b or c or any element of list L, you normally use
any(test(x) for x in L)
...
Do I need to disable NSLog before release Application?
...e DLog( s, ... )
#endif
Now instead of NSLog use DLog everywhere. When testing and debugging, you'll get debug messages. When you're ready to release a beta or final release, all those DLog lines automatically become empty and nothing gets emitted. This way there's no manual setting of variables...
Get element inside element by class and ID - JavaScript
...dNodes.length; i ++) {
childNode = fooDiv.childNodes[i];
if (/bar/.test(childNode.className)) {
childNode.innerHTML = "Goodbye world!";
}
}
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Should Gemfile.lock be included in .gitignore?
...r from config/database.yml
(db["production"] || db["development"] || db["test"])["adapter"]
else
"mysql2"
end
gem *db_gems[adapter]
# -----------------------------------------------------------------------------
I can't say if this is an established best practice or not, but it works well for ...