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What is a clean, pythonic way to have multiple constructors in Python?
...sing __new__.
This could be used if the type of initialization cannot be selected based on the type of the constructor argument, and the constructors do not share code.
Example:
class MyClass(set):
def __init__(self, filename):
self._value = load_from_file(filename)
@classmeth...
Getting all types that implement an interface
...of(IMyInterface);
var types = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(s => s.GetTypes())
.Where(p => type.IsAssignableFrom(p));
Basically, the least amount of iterations will always be:
loop assemblies
loop types
see if implemented.
...
SQLite - replace part of a string
...
And if you just want to do it in a query without lasting consequences:
SELECT fieldA, replace(field, 'C:\afolder\', 'C:\anewfolder\'), fieldB FROM table;
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jQuery .live() vs .on() method for adding a click event after loading dynamic html
...er on a parent object (that does not get loaded dynamically) and give it a selector that matches your dynamic object like this:
$('#parent').on("click", "#child", function() {});
The event handler will be attached to the #parent object and anytime a click event bubbles up to it that originated on...
Neo4j - Cypher vs Gremlin query language
...tp://docs.sqlalchemy.org/en/rel_0_7/core/tutorial.html#intro-to-generative-selects to know what I mean.)
This seems to be a bit more tricky with Cypher.
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How do I generate a random int number?
...SEED.This SEED is the beginning point, the trigger which instigates him to select the RANDOM value.
Now if a SEED is easy to guess then those kind of random numbers are termed as PSEUDO and when a seed is difficult to guess those random numbers are termed SECURED random numbers.
For example a perso...
Does Python have a ternary conditional operator?
... This one emphasizes the primary intent of the ternary operator: value selection. It also shows that more than one ternary can be chained together into a single expression.
– Roy Tinker
Oct 4 '10 at 21:14
...
Modify/view static variables while debugging in Eclipse
... Menu.
When you click this button a drop down menu is shown where you can select
Java -> Show static variables
Note: You do not have to restart Eclipse.
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Javascript/DOM: How to remove all events of a DOM object?
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document.querySelector('body').outerHTML = document.querySelector('body').outerHTML worked for me.
– Ryan
Oct 13 '18 at 18:15
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Restore a postgres backup file using the command line?
...ith pg_restore(1) to
rebuild the database. They allow
pg_restore to be selective about what
is restored, or even to reorder the
items prior to being restored. The
archive file formats are designed to
be portable across architectures.
So depends on the way it was dumped out. You can...