selector
Why does select() consume so much CPU time in my program?
Unfortunately, this is wrong interpretation of the numbers. I’ve faced this situation many times (and ask a question on stackoverflow too). The main reason, is VisualVM doesn’t show correct CPU time. It showing percentage of the thread time in RUNNING state. But from documentation on Thread.State: Thread state for a runnable thread. A thread in … Read more
Understanding Swift 2.2 Selector Syntax – #selector()
The bit in parenthesis is a mechanism for identifying the argument list for the selector that you want. I recommend you look at the Generalized Naming proposal from Swift Evolution. It covers cases where you have a number of functions that differ only by their parameter labels and need to refer to them. The example … Read more
How to convert “SEL” and “id” to NSString?
Call NSStringFromSelector() passing your selector as its argument to get the selector string, and use [parent class] for the parent object’s class: NSString *errorMessage = [NSString stringWithFormat:@”%@ in class %@ doesn’t exist!”, NSStringFromSelector(selector), [parent class]];
Android: How to Make A Drawable Selector
You can add this in Android Studio, use Right click on project structure -> New -> Drawable resource file. It should look like this: <?xml version=”1.0″ encoding=”utf-8″?> <selector xmlns:android=”http://schemas.android.com/apk/res/android”> <item android:state_enabled=”false” android:drawable=”@drawable/cell_top_selected” /> <item android:drawable=”@drawable/cell_top” /> </selector>
jQuery :contains(regex)? [duplicate]
Try , var regex = new RegExp(“[0-9]”); // expression here $(“#id a”).filter(function () { return regex.test($(this).text()); });
how to call a method of multiple arguments with delay
use dispatch_after: double delayInSeconds = 2.0; dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, delayInSeconds * NSEC_PER_SEC); dispatch_after(popTime, dispatch_get_main_queue(), ^(void){ //code to be executed on the main queue after delay [self MoveSomethingFrom:from To:to]; }); EDIT 2015: For Swift, i recommend using this small helper method: dispatch_after – GCD in swift?
How to select a single item in protractor
You can get an indexed element from an array returned with // Get the 5th element matching the .dfdf css selector element.all(by.css(‘.dfdf’)).get(4).sendKeys(‘foo’);
Can I make #selector refer to a closure in Swift?
Not directly, but some workarounds are possible. Take a look at the following example. /// Target-Action helper. final class Action: NSObject { private let _action: () -> () init(action: @escaping () -> ()) { _action = action super.init() } @objc func action() { _action() } } let action1 = Action { print(“action1 triggered”) } let … Read more