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Performance - Date.now() vs Date.getTime()
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These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whateve...
Moq: How to get to a parameter passed to a method of a mocked service
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You can use the Mock.Callback-method:
var mock = new Mock<Handler>();
SomeResponse result = null;
mock.Setup(h => h.AnsyncHandle(It.IsAny<SomeResponse>()))
.Callback<SomeResponse>(r => result = r);
// do your test
new...
String contains - ignore case [duplicate]
... It lowercases correctly. But that doesn't mean this comparison works for all cultures. See w3.org/International/wiki/Case_folding. They recommend either specifying a culture, or explicitly using a case insentive compare function such as containsIgnoreCase shown above.
– SamSt...
Stop handler.postDelayed()
I call multiple Handlers by new Handler().postDelayed(new Runnable().....
How can I stop it when I click on back?
4 Answer...
How to make an image center (vertically & horizontally) inside a bigger div [duplicate]
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Personally, I'd place it as the background image within the div, the CSS for that being:
#demo {
background: url(bg_apple_little.gif) no-repeat center center;
height: 200px;
width: 200px;
}
(Assumes a div with id="de...
Using member variable in lambda capture list inside a member function
... grid is not in the enclosing scope, but this is (every access to grid actually happens as this->grid in member functions). For your usecase, capturing this works, since you'll use it right away and you don't want to copy the grid
auto lambda = [this](){ std::cout << grid[0][0] << "\...
What's the difference of strings within single or double quotes in groovy?
...ic here:
http://docs.groovy-lang.org/latest/html/documentation/index.html#all-strings
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How do I get rid of “[some event] never used” compiler warnings in Visual Studio?
...ous...
There's also an interesting article about this warning and specifically how it applies to interfaces; there's a good suggestion on how to deal with "unused" events. The important parts are:
The right answer is to be explicit about what you expect from the event, which in this case, is no...
SELECT * WHERE NOT EXISTS
...r original query will always return nothing unless there are no records at all in eotm_dyn, in which case it will return everything.
Assuming these tables should be joined on employeeID, use the following:
SELECT *
FROM employees e
WHERE NOT EXISTS
(
SELECT null
...
How to convert std::string to LPCSTR?
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Call c_str() to get a const char * (LPCSTR) from a std::string.
It's all in the name:
LPSTR - (long) pointer to string - char *
LPCSTR - (long) pointer to constant string - const char *
LPWSTR - (long) pointer to Unicode (...