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What is the 'pythonic' equivalent to the 'fold' function from functional programming?
...duce with non-associative operators is considered bad style.
Using higher-order functions is quite pythonic; it makes good use of Python's principle that everything is an object, including functions and classes. You are right that lambdas are frowned upon by some Pythonistas, but mostly because the...
Understanding spring @Configuration class
...SomewhereElse); // We still need to inject beanFromSomewhereElse
}
}
In order to import beanFromSomewhereElse we need to import it's definition. It can be defined in an XML and the we'll use @ImportResource:
@ImportResource("another-application-context.xml")
@Configuration
public class MyApplica...
Sorting an IList in C#
...d an Engine property, I believe you could sort as follows:
from c in list
orderby c.Engine
select c;
Edit: You do need to be quick to get answers in here. As I presented a slightly different syntax to the other answers, I will leave my answer - however, the other answers presented are equally val...
Regex exactly n OR m times
...y the way stated in the question and it does work but there's a catch:
The order of the quantities matters. Consider this:
#[a-f0-9]{6}|#[a-f0-9]{3}
This will find all occurences of hex colour codes (they're either 3 or 6 digits long). But when I flip it around like this
#[a-f0-9]{3}|#[a-f0-9]{...
what is the unsigned datatype?
... is more than one multiset per item); the type specifiers may occur in any order, possibly intermixed with the other declaration specifiers
— void
— char
— signed char
— unsigned char
— short, signed short, short int, or signed short int
— unsigned short, or unsigned short...
Subclassing a Java Builder class
...f class that can call all the builder methods on any of its parents in any order:
public final class LeafClass extends SecondLevel {
private int baz;
public static final class Builder extends SecondLevel.Builder<LeafClass,Builder> {
protected LeafClass createObject() {
...
How to store arrays in MySQL?
...the key.". An array does too much. It has multiple facts and it stores the order (which is not related to the relation itself). And the performance is poor (see above).
Imagine that you have a person table and you have a table with phone calls by people. Now you could make each person row have a li...
String representation of an Enum
...instance = new Dictionary<string,AuthenticationMethod>();
n.b. In order that the initialisation of the the "enum member" fields doesn't throw a NullReferenceException when calling the instance constructor, be sure to put the Dictionary field before the "enum member" fields in your class. Th...
DataTable: Hide the Show Entries dropdown but keep the Search box
...
"searching": false, // Search Box will Be Disabled
"ordering": false, // Ordering (Sorting on Each Column)will Be Disabled
"info": true, // Will show "1 to n of n entries" Text at bottom
"lengthChange": false // Will Disabled Record number per page
...
Find unique rows in numpy.array
...
Note that if you want unique rows ignoring order of values in the row, you can sort the original array in the columns direct first: original_array.sort(axis=1)
– mangecoeur
Mar 2 at 11:59
...