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Are +0 and -0 the same?
...mbers. From Wikipedia:
Signed zero is zero with an associated sign. In ordinary arithmetic, −0 = +0 = 0. However, in computing, some number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This occurs in some signed number repr...
What is object serialization?
... a series of bytes, so that the object can be easily saved to persistent storage or streamed across a communication link. The byte stream can then be deserialized - converted into a replica of the original object.
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Prevent strace from abbreviating arguments?
..."..." after about 30 characters), preventing me from getting any useful information. How can I get the full text of each argument?
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Operator overloading in Java
Please can you tell me if it is possible to overload operators in Java? If it is used anywhere in Java could you please tell me about it.
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How to check if object has any properties in JavaScript?
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You can loop over the properties of your object as follows:
for(var prop in ad) {
if (ad.hasOwnProperty(prop)) {
// handle prop as required
}
}
It is important to use the hasOwnProperty() method, to determine whether the object has the specified property as a direct p...
How to check whether a given string is valid JSON in Java
How do I validate a JSON string in Java? Or could I parse it using regular expressions?
19 Answers
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Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this:
12 Answers
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Optimum way to compare strings in JavaScript? [duplicate]
...rototype.localeCompare
Stack Overflow - Is there a JavaScript strcmp()?
Tutorials Point: JavaScript String - localeCompare() Method
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Convert JS object to JSON string
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All current browsers have native JSON support built in. So as long as you're not dealing with prehistoric browsers like IE6/7 you can do it just as easily as that:
var j = {
"name": "binchen"
};
console.log(JSON.stringify(j));
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how to add records to has_many :through association in rails
How do I add to the Agents model for Customer ?
3 Answers
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