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Why does one hot encoding improve machine learning performance?
...ers of the categories instead) organized in a certain way and in a certain order.
Now, what happens if you assign category 0 to 0, category 1 to 1, and category 2 to 2 without one-hot encoding, and that your algorithm's prediction isn't sure if it should choose 0 or 2: should he predict 1 despite ...
What is the instanceof operator in JavaScript?
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In order to get the prototype link, use Object.getPrototypeOf(o), this will be the same as the __proto__you describe, but conforms to ECMAScript.
– froginvasion
Jul 30 '14 at 9:33
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using jquery $.ajax to call a PHP function
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How to encode the filename parameter of Content-Disposition header in HTTP?
...gns, at least not in front of hex digits.
attfnboth: two parameters in the order described above. Should work for most file names on most browsers, although IE8 will use the “filename” parameter.
That RFC 5987 in turn references RFC 2231, which describes the actual format. 2231 is primarily fo...
How to export JavaScript array info to csv (on client side)?
...his is not supported accessing a data URI using the window.open method. In order to achieve this, you can create a hidden <a> DOM node and set its download attribute as follows:
var encodedUri = encodeURI(csvContent);
var link = document.createElement("a");
link.setAttribute("href", encodedUr...
Get distance between two points in canvas
...s no difference in this case because each value is squared! So whether the order was like 7 - 5 = 2 or 5 - 7 = -2 won't matter. -2 * -2 = 4 2 * 2 = 4
– rdmurphy
Apr 28 at 19:30
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Workflow for statistical analysis and report writing
... I have started numbering the scripts, so it's completely obvious in which order they should be run. (If I'm feeling really fancy I'll sometimes make it so that the exploration script will call the cleaning script which in turn calls the download script, each doing the minimal work necessary - usua...
What is the difference between string primitives and String objects in JavaScript?
...tive by itself does not support you adding your own properties to it. In order to allow that, javascript also has a String object which has all the same methods as a string primitive, but is a full-blown object that you can treat like an object in all ways. This dual form appears to be a bit mess...
PHP Timestamp into DateTime
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You don't need to turn the string into a timestamp in order to create the DateTime object (in fact, its constructor doesn't even allow you to do this, as you can tell). You can simply feed your date string into the DateTime constructor as-is:
// Assuming $item->pubDate is "...
Why isn't std::initializer_list a language built-in?
...e_t.
In the former case, you already need to include a standard header in order to use this so-called "core language" feature.
Now, for initializer lists it happens that no keyword is needed to generate the object, the syntax is context-sensitive curly braces. Aside from that it's the same as type...