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Call an activity method from a fragment
Trying to call a method in my activity from a fragment. I want the fragment to give the method data and to get the data when the method return. I want to achieve similar to call on a static method, but without the use of static because it create problems in the activity.
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Enter triggers button click
I have a page with two buttons. One is a <button> element and the other is a <input type="submit"> . The buttons appear on the page in that order. If I'm in a text field anywhere in the form and press <Enter> , the button element's click event is triggered. I assume that's be...
I can’t find the Android keytool
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keytool comes with the Java SDK. You should find it in the directory that contains javac, etc.
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Android: Difference between Parcelable and Serializable?
...de 2 interfaces for serializing objects? Do Serializable objects interopt with Android Binder and AIDL files?
15 Answers
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JavaScript hashmap equivalent
...eys for a regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do.
Example:
var key = function(obj){
// Some unique object-dependent key
return obj.totallyUniqueEmployeeIdKey; // Just an example
};
var dict = {};
dict[key(...
No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClie
After downloading the EF6 by nuget and try to run my project, it returns the following error:
34 Answers
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Java inner class and static nested class
...StaticNestedClass();
Objects that are instances of an inner class exist within an instance of the outer class. Consider the following classes:
class OuterClass {
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class InnerClass {
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}
}
An instance of InnerClass can exist only within an instance of OuterClass and has ...
std::function vs template
...wrappers. Unfortunately, I keep hearing only bad things about these new additions. The most popular is that they are horribly slow. I tested it and they truly suck in comparison with templates.
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Is it possible to send a variable number of arguments to a JavaScript function?
Is it possible to send a variable number of arguments to a JavaScript function, from an array?
12 Answers
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Why does 1==1==1 return true, “1”==“1”==“1” return true, and “a...
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Because you are comparing the (boolean) result of the first equality with the (non-boolean) third value.
In code, 1 == 1 == 1 is equivalent to (1 == 1) == 1 is equivalent to true == 1.
This means the three methods can be written more simply as:
function a() { return (true == 1); }
funct...