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Can a decorator of an instance method access the class?
...t classes ( not manipulating the actual class type object), you can pass a string for each class. You can also pass whatever other parameters you like to the decorator using class-style decorators.
class Decorator(object):
def __init__(self,decoratee_enclosing_class):
self.decoratee_enc...
How long does it take for GitHub page to show changes after changing index.html
...ew files. If you want to test it (or break a cache) you can append a query string like myfile.jpg?ver=123 and every time you update the string the cache will bust, and you can verify that the CDN is updating.
– Joel Glovier
Dec 19 '16 at 14:10
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How to pass event as argument to an inline event handler in JavaScript?
...ating data binding capabilities available in mainstream js frameworks. One extra trick is to do something similar to Object.assign(this.querySelector('my-btn'), this) inside a web component and voila, data binding. You can access any method of the parent web component class from the inline events on...
Getting MAC Address
...8927, struct.pack('256s', ifname[:15]))
return ':'.join(['%02x' % ord(char) for char in info[18:24]])
print getHwAddr('eth0')
This is the Python 3 compatible code:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import fcntl
import socket
import struct
def getHwAddr(ifname):
s = socke...
Angular - ui-router get previous state
...f the user is logged in or not.
appSettings are constants just for not use strings everywhere. appSettings.states.login and appSettings.states.register contain the name of the state for the login and register url.
Then in any controller/service etc you need to inject $state service and you can acc...
Are foreign keys really necessary in a database design?
...
That's a horrible answer FKs genaerally can add extra overhead not improve performance.
– Agile Jedi
Feb 13 '15 at 18:42
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How to define a custom ORDER BY order in mySQL
...an ENUM column specifically it will use that internal index instead of the string values ( unless CAST() is used to make it back to a VARCHAR)
– Simon at My School Portal
Mar 26 '15 at 9:36
...
Pointers in Python?
... to a function, and I can't pass a variable by reference using an int or a string?
– Sam
Mar 21 at 15:42
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...e to escape it. (The selector escape character has special meaning in a JS string too, so you have to escape that too).
document.querySelector("#view\\:_id1\\:inputText1")
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html select option separator
...And if you want to be really fancy, use the horizontal unicode box drawing character.
(BEST OPTION!)
<select>
<option>First</option>
<option disabled>──────────</option>
<option>Second</option>
<option>Third...