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What are the differences between NP, NP-Complete and NP-Hard?
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I assume that you are looking for intuitive definitions, since the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions.
Decision problem: A problem with a yes or ...
WebSockets protocol vs HTTP
...y blogs and discussions about websocket and HTTP, and many developers and sites strongly advocate websockets, but i still can not understand why.
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Deleting array elements in JavaScript - delete vs splice
... will delete the object property, but will not reindex the array or update its length. This makes it appears as if it is undefined:
> myArray = ['a', 'b', 'c', 'd']
["a", "b", "c", "d"]
> delete myArray[0]
true
> myArray[0]
undefined
Note that it is not in fact set to the value und...
How do I use a custom Serializer with Jackson?
... good way. But if you don't mind a custom serializer, there's no need to write one for Item but rather one for User -- if so, it'd be as simple as:
public void serialize(Item value, JsonGenerator jgen,
SerializerProvider provider) throws IOException,
JsonProcessingException {
jgen.writeNu...
Process.start: how to get the output?
...am from my Mono/.NET app.
For example, I would like to run mencoder . Is it possible:
9 Answers
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How to implement history.back() in angular.js
I have directive which is site header with back button and I want on click to go back to the previous page. How do I do it in the angular way?
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Java: how do I get a class literal from a generic type?
Typically, I've seen people use the class literal like this:
8 Answers
8
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Thou shalt not inherit from std::vector
...ficult to confess, but I do have a strong temptation at the moment to inherit from std::vector .
13 Answers
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how do I use the grep --include option for multiple file types?
... from expanding '' which at the same time stop shell to expand {html,php}. It seems that equal sign in --include=* is able to prevent shell from expanding '*'.
– tianyapiaozi
May 17 '12 at 4:53
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application/x-www-form-urlencoded or multipart/form-data?
...nly able to upload files if multipart/form-data is used. Is there any additional guidance when to use one of the encoding types in an API context (no browser involved)? This might e.g. be based on:
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