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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...选择在交叉验证中表现最好的。jmp0xf 译自Edwin Chen
How do you know what machine learning algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters ...
Authenticating in PHP using LDAP through Active Directory
... being the provider). Ideally, it should be able to run on IIS 7 ( adLDAP does it on Apache). Anyone had done anything similar, with success?
...
Write a program to find 100 largest numbers out of an array of 1 billion numbers
... of the i'th number to be inserted to the queue is the probability of a random variable being larger than at least i-K random variables from the same distribution (the first k numbers are automatically added to the queue). We can use order statistics (see link) to calculate this probability. For exa...
add a string prefix to each value in a string column using Pandas
...mn of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
5 Answers
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Define preprocessor macro through CMake?
How do I define a preprocessor variable through CMake?
3 Answers
3
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Pointer arithmetic for void pointer in C
.... If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of the pointer?
...
Create a new object from type parameter in generic class
...the type information erased, you can't use T to new up an object.
You can do this in a non-generic way by passing the type into the constructor.
class TestOne {
hi() {
alert('Hi');
}
}
class TestTwo {
constructor(private testType) {
}
getNew() {
return new thi...
Running Composer returns: “Could not open input file: composer.phar”
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If you followed instructions like these:
https://getcomposer.org/doc/00-intro.md
Which tell you to do the following:
$ curl -sS https://getcomposer.org/installer | php
$ mv composer.phar /usr/local/bin/composer
Then it's likely that you, like me, ran those commands and didn't read the ...
Validation of radio button group using jQuery validation plugin
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With newer releases of jquery (1.3+ I think), all you have to do is set one of the members of the radio set to be required and jquery will take care of the rest:
<input type="radio" name="myoptions" value="blue" class="required"> Blue<br />
<input type="radio" name="myop...
PHP: Return all dates between two dates in an array [duplicate]
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Note that this doesn't quite get you an array of DateTime objects; it gets you a DatePeriod object that implements the Traversable interface. If you were just planning on iterating over a list of dates with foreach, great; but otherwise, yo...