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What is 'Pattern Matching' in functional languages?
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143
Understanding pattern matching requires explaining three parts:
Algebraic data types.
What pat...
How to present a simple alert message in java?
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answered Feb 2 '12 at 20:31
DónalDónal
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How do I use Assert to verify that an exception has been thrown?
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Kevin PullinKevin Pullin
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What's an appropriate HTTP status code to return by a REST API service for a validation failure?
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305
If "validation failure" means that there is some client error in the request, then use HTTP 40...
Handling specific errors in JavaScript (think exceptions)
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163
To create custom exceptions, you can inherit from the Error object:
function SpecificError () {...
Android disable screen timeout while app is running
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173
You want to use something like this:
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_...
What is the difference between char * const and const char *?
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369
The difference is that const char * is a pointer to a const char, while char * const is a cons...
Copy a variable's value into another
...ur top-level object. For example, given this object:
var obj = {
w: 123,
x: {
y: 456,
z: 789
}
};
If you do a shallow copy of that object, then the x property of your new object is the same x object from the original:
var copy = $.extend( {}, obj );
copy.w = 321;
copy...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
...we already know, ToPrimitive([]) is the empty string, and according to §9.3.1, ToNumber("") is 0.
{} + {}
Similar to the previous case, the first {} is parsed as a block with empty return value. Again, +{} is the same as ToNumber(ToPrimitive({})), and ToPrimitive({}) is "[object Object]" (see [] +...
How to iterate object in JavaScript? [duplicate]
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143
You can do it with the below code. You first get the data array using dictionary.data and assign...