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Extending an Object in Javascript
...new instantiation (read why you shouldn't use new), no super, no self-made __construct. You simply create Objects and then extend or morph them.
This pattern also offers immutability (partial or full), and getters/setters.
TypeScript
The TypeScript equivalent looks the same:
interface Person {
...
How do I make a Git commit in the past?
...filter-branch \
--index-filter \
'git update-index --add --cacheinfo 100644 '"$new_file"' path/to/file' \
--tag-name-filter cat \
-- --all
git reset --hard
I do not really see any reason to change the dates of the existing commits with --env-filter 'GIT_AUTHOR_DATE=…'. If you did use i...
How do I solve the INSTALL_FAILED_DEXOPT error?
...
102
Restarting the emulator from the Android SDK and AVD Manager and selecting the option Wipe Use...
Function for Factorial in Python
...factorial (available in Python 2.6 and above):
import math
math.factorial(1000)
If you want/have to write it yourself, you can use an iterative approach:
def factorial(n):
fact = 1
for num in range(2, n + 1):
fact *= num
return fact
or a recursive approach:
def factorial(n...
How to think in data stores instead of databases?
...le Datastore instead of databases? It seems I've trained my mind to think 100% in object relationships that map directly to table structures, and now it's hard to see anything differently. I can understand some of the benefits of Google Datastore (e.g. performance and the ability to distribute dat...
How to open a new tab using Selenium WebDriver?
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Nagaraju JampaniNagaraju Jampani
61066 silver badges22 bronze badges
7
...
Unittest setUp/tearDown for several tests
...d
def setUpClass(cls):
cls.shared_resource = random.randint(1, 100)
@classmethod
def tearDownClass(cls):
cls.shared_resource = None
def test_1(self):
print('test 1:', self.shared_resource)
def test_2(self):
print('test 2:', self.shared_resource)...
Quick and easy file dialog in Python?
...
10
On python2: import Tkinter as tk and import tkFileDialog and file_path = tkFileDialog.askopenfilename()
– SaschaH
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Drawing a connecting line between two elements [closed]
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Tomasz KowalczykTomasz Kowalczyk
10.1k66 gold badges4949 silver badges6464 bronze badges
...
HTML anchor link - href and onclick both?
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answered Aug 28 '09 at 10:25
n1313n1313
18.5k77 gold badges2727 silver badges4444 bronze badges
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