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What is the relationship between UIView's setNeedsLayout, layoutIfNeeded and layoutSubviews?
...ut myself, so take this with some skepticism and forgive me if it contains errors.
setNeedsLayout is an easy one: it just sets a flag somewhere in the UIView that marks it as needing layout. That will force layoutSubviews to be called on the view before the next redraw happens. Note that in many ...
How do I specify multiple targets in my podfile for my Xcode project?
...dencies of the main target. This is resulting in getting duplicate symbols error in the linking phase. Do you know how to get around this using Cocoapods?
– Fergal Rooney
Jun 24 '13 at 19:58
...
Setting JDK in Eclipse
...m supports to java 8 like lambda
expression as below and if no compilation error ,means your eclipse
supports to java 1.8, something like this:
interface testI{
void show();
}
/*class A implements testI{
public void show(){
System.out.println("Hello");
}
}*/
public class Lambd...
Interface vs Base class
...h in turn increases a solutions maintainability and makes it less prone to error.
– ComeIn
Aug 9 '18 at 11:41
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Why is using 'eval' a bad practice?
...or later. Even an innocent input like: Let's have fun. will cause a syntax error and expose the vulnerability.
– Nadia Alramli
Dec 2 '09 at 16:20
18
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'typeid' versus 'typeof' in C++
...ecltype doesn't. For example, typeof(int) is int while decltype(int) is an error.
– Shahbaz
Aug 10 '17 at 19:23
1
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How to display unique records from a has_many through relationship?
...rwise you get rails ActiveRecord::StatementInvalid: PG::UndefinedFunction: ERROR: could not identify an equality operator for type json
– ryan2johnson9
Aug 8 '19 at 3:29
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Is the VC++ code DOM accessible from VS addons?
... compilers usually use slightly different syntaxes. (E.g. to create better error messages.).
– MSalters
May 5 '14 at 8:24
3
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Can you pass parameters to an AngularJS controller on creation?
...elController', function($scope, $attrs) {
if (!$attrs.model) throw new Error("No model for modelController");
// Initialize $scope using the value of the model attribute, e.g.,
$scope.url = "http://example.com/fetch?model="+$attrs.model;
})
<div ng-controller="modelController" model...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
... TryCast your numerics to the proper numeric type, and report a validation error if it doesn't work. It is very easy to search for attack patterns in your input, such as ' --. Assume all input from the user is hostile.
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