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Best way to check if UITableViewCell is completely visible
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You can get the rect of a cell with rectForRowAtIndexPath: method and compare it with tableview's bounds rect using CGRectContainsRect function.
Note that this will not instantiate the cell if it is not visible, and thus will be rather fast.
Swift
let cellRect = tableView.r...
Is < faster than
...o, it will not be faster on most architectures. You didn't specify, but on x86, all of the integral comparisons will be typically implemented in two machine instructions:
A test or cmp instruction, which sets EFLAGS
And a Jcc (jump) instruction, depending on the comparison type (and code layout):
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Intellij shortcut to convert code to upper or lower case?
...ike. Here: Toggle Case.
Or ⌘ Command + Shift + U if you are using Mac OSX.
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Early exit from function?
...ill send a return value of undefined to whatever called the function.
var x = myfunction();
console.log( x ); // console shows undefined
Of course, you can specify a different return value. Whatever value is returned will be logged to the console using the above example.
return false;
return t...
PHP expresses two different strings to be the same [duplicate]
...f the result, you could use == instead of === to save one character.
For example, typeof operator always returns a string, so you could just use
typeof foo == 'string' instead of typeof foo === 'string' with no harm.
shar...
What's the difference between $evalAsync and $timeout in AngularJS?
...s://stackoverflow.com/a/17239084/215945
(That answer links to some github exchanges with Misko.)
To summarize:
if code is queued using $evalAsync from a directive, it should run after the DOM has been manipulated by Angular, but before the browser renders
if code is queued using $evalAsync from ...
What is an optional value in Swift?
... String:
var name: String = "Bertie" // No "?" after String
From the syntax it looks like an optional String is very similar to an ordinary String. It's not. An optional String is not a String with some "optional" setting turned on. It's not a special variety of String. A String and an optional Str...
grep a tab in UNIX
How do I grep tab (\t) in files on the Unix platform?
22 Answers
22
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Converting DateTime format using razor
...ic DateTime Date { get; set }
and in your view simply:
@Html.DisplayFor(x => x.Date)
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