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PostgreSQL: Can you create an index in the CREATE TABLE definition?
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120
There doesn't seem to be any way of specifying an index in the CREATE TABLE syntax. PostgreSQL ...
Comparing two NumPy arrays for equality, element-wise
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402
(A==B).all()
test if all values of array (A==B) are True.
Note: maybe you also want to test A...
How to integrate nodeJS + Socket.IO and PHP?
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edited Aug 6 '18 at 16:02
Jason Aller
3,3451111 gold badges3535 silver badges3636 bronze badges
answer...
Custom sort function in ng-repeat
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192
Actually the orderBy filter can take as a parameter not only a string but also a function. From...
What is this 'Lambda' everyone keeps speaking of?
...hat perform much more useful tasks. For example filter:
var numbers = [1, 2, 3, 4];
var even = [];
// keep all even numbers from above array
for (var i=0; i<numbers.length; i++) {
if (numbers[i] % 2 === 0) {
even.push(numbers[i]);
}
}
alert(even);
// Using the filter method...
How to create arguments for a Dapper query dynamically
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answered Feb 28 '12 at 12:17
Marc Gravell♦Marc Gravell
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URL encode sees “&” (ampersand) as “&” HTML entity
...ape , encodeURI or encodeURIComponent , & will be replaced with %26amp%3B , but I want it to be replaced with %26 . What am I doing wrong?
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How are feature_importances in RandomForestClassifier determined?
...ication task with a time-series as the data input, where each attribute (n=23) represents a specific point in time. Besides the absolute classification result I would like to find out, which attributes/dates contribute to the result to what extent. Therefore I am just using the feature_importances_...
Why would one use nested classes in C++?
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230
Nested classes are cool for hiding implementation details.
List:
class List
{
public:
...
numpy matrix vector multiplication [duplicate]
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329
Simplest solution
Use numpy.dot or a.dot(b). See the documentation here.
>>> a = np....