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Given a class, see if instance has method (Ruby)
... does NOT work:
t = TestClass.new
t.method_defined? : methodName # => ERROR!
So I use this for both classes and objects:
Classes:
TestClass.methods.include? 'methodName' # => TRUE
Objects:
t = TestClass.new
t.methods.include? 'methodName' # => TRUE
...
Is it possible to implement dynamic getters/setters in JavaScript?
...val:
"use strict";
if (typeof Proxy == "undefined") {
throw new Error("This browser doesn't support Proxy");
}
let original = {
"foo": "bar"
};
let proxy = new Proxy(original, {
get(target, name, receiver) {
let rv = Reflect.get(target, name, receiver);
if ...
Android: Clear Activity Stack
...
Worked perfectly. Thanks. Strangely didn't give error with minSDK=9.
– Mahm00d
Jul 16 '14 at 9:36
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How to split a string at the first `/` (slash) and surround part of it in a ``?
I want to format this date: <div id="date">23/05/2013</div> .
7 Answers
7...
Google Chrome form autofill and its yellow background
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there is error, i dont maybe syntax changed but this works now: box-shadow: inset 0 0 0 1000px white !important;
– Muhammad Umer
Apr 1 '16 at 2:08
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SQL query to select dates between two dates
...ntax highlighting, keywords only need to be escaped if they cause a syntax error. It's also a good practice to use explicit conversion instead of implicit conversion of datestring constants. - and Date between CAST('2011/02/25'AS DATETIME) and CAST('2011/02/27'AS DATETIME)
– tp...
How to add directory to classpath in an application run profile in IntelliJ IDEA?
... the classes folder. Intellij should be able to load it.
You will get this error if "Project Compiler output" is blank.
Just make sure that below value is set:
How do I create a link using javascript?
...document.querySelectorwill 'honor' your efforts with an Illegal invocation error the first time you use it. That's because the assignment just 'grabs' .querySelector (a ref to the class method). With .bind(... you'll also involve the context (here it's document) and you get an object method that'll...
Method Syntax in Objective-C
...t:. If you were to try to invoke pickerView:, you would recieve a runtime error, as the method would not exist.
– locriani
Mar 25 '09 at 21:13
1
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Why is a pure virtual function initialized by 0?
...bolic. (Most compilers assign such vtable entries to a stub which emits an error before aborting the program.) The syntax was mainly chosen because it wasn't used for anything before and it saved introducing a new keyword.
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