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What is the difference between a generative and a discriminative algorithm?
...ple x into a class y, which is why algorithms that model this directly are called discriminative algorithms. Generative algorithms model p(x,y), which can be transformed into p(y|x) by applying Bayes rule and then used for classification. However, the distribution p(x,y) can also be used for other p...
Hidden Features of JavaScript? [closed]
...vert it to a real array if you want: "var argArray = Array.prototype.slice.call(arguments);" )
– Jacob Mattison
Jan 26 '09 at 21:37
51
...
shortcut for creating a Map from a List in groovy?
...
Check out "inject". Real functional programming wonks call it "fold".
columns.inject([:]) { memo, entry ->
memo[entry.name] = entry.val
return memo
}
And, while you're at it, you probably want to define methods as Categories instead of right on the metaClass. That...
How to copy Java Collections list
...
Calling
List<String> b = new ArrayList<String>(a);
creates a shallow copy of a within b. All elements will exist within b in the exact same order that they were within a (assuming it had an order).
Similarly, ...
How do I get formatted JSON in .NET using C#?
...sonPrettyPrint
{
internal class Program
{
private static void Main(string[] args)
{
Product product = new Product
{
Name = "Apple",
Expiry = new DateTime(2008, 12, 28),
Price = 3.99M,
...
C# Events and Thread Safety
...gs, just put '= delegate {}' on the end of your event declaration and then call your events directly as if they are methods; never assign null to them. (The other stuff I brought in about ensuring a handler is not called after delisting, that was all irrelevant, and is impossible to ensure, even for...
App Inventor 2 字典代码块 · App Inventor 2 中文网
...常见方法是使用 JavaScript 对象表示法 (JSON)，例如：
{
"id": 1,
"name": "Tim the Beaver",
"school": {
"name": "Massachusetts Institute of Technology"
},
"enrolled": true,
"classes": ["6.001", "18.01", "8.01"]
}
上面的示例显示，在 JSON 中，键（在 : ...
Adding a cross-reference to a subheading or anchor in another page
...ple using RST are likely to run into both cases at some point:
Sphinx
Besides the domain-specific directives that can be used to link to various entities like classes (:class:) there's the general :ref: directive, documented here. They give this example:
.. _my-reference-label:
Section t...
NumPy: function for simultaneous max() and min()
...the same for the min value. If I want to find both max and min, I have to call both functions, which requires passing over the (very big) array twice, which seems slow.
...
What is the difference between sigaction and signal?
...and a signal handler is executed other than as the result of:
The process calling abort(), raise(), kill(), pthread_kill(), or sigqueue() to generate a signal that is not blocked
A pending signal being unblocked and being delivered before the call that unblocked it returns
the behavior is undefine...