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Calling a class function inside of __init__
...
Call the function in this way:
self.parse_file()
You also need to define your parse_file() function like this:
def parse_file(self):
The parse_file method has to be bound to an object upon calling it (because it's not a static method). This is done by calling t...
Import a file from a subdirectory?
....org/tutorial/modules.html
In short, you need to put a blank file named
__init__.py
in the "lib" directory.
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Are static class variables possible in Python?
...es are one honking great idea -- let's do more of those!
>>> Test.__dict__
{'i': 6, ...}
>>> t.__dict__
{'i': 5}
>>> u.__dict__
{}
Notice how the instance variable t.i got out of sync with the "static" class variable when the attribute i was set directly on t. This is be...
How to pass a user defined argument in scrapy spider
...attributes:
class MySpider(scrapy.Spider):
name = 'myspider'
def __init__(self, category='', **kwargs):
self.start_urls = [f'http://www.example.com/{category}'] # py36
super().__init__(**kwargs) # python3
def parse(self, response)
self.log(self.domain) # sys...
What is __future__ in Python used for and how/when to use it, and how it works
__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
...
How to generate keyboard events in Python?
...om ctypes import wintypes
import time
user32 = ctypes.WinDLL('user32', use_last_error=True)
INPUT_MOUSE = 0
INPUT_KEYBOARD = 1
INPUT_HARDWARE = 2
KEYEVENTF_EXTENDEDKEY = 0x0001
KEYEVENTF_KEYUP = 0x0002
KEYEVENTF_UNICODE = 0x0004
KEYEVENTF_SCANCODE = 0x0008
MAPVK_VK_TO_VSC = 0
# ...
Get absolute path of initially run script
...
The correct solution is to use the get_included_files function:
list($scriptPath) = get_included_files();
This will give you the absolute path of the initial script even if:
This function is placed inside an included file
The current working directory is dif...
How to create the most compact mapping n → isprime(n) up to a limit N?
...ode sample (which I'm trying to understand)
– Freedom_Ben
Aug 8 '14 at 4:08
6
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What integer hash function are good that accepts an integer hash key?
... seems to be based on the blog article Better Bit Mixing (mix 13).
uint64_t hash(uint64_t x) {
x = (x ^ (x >> 30)) * UINT64_C(0xbf58476d1ce4e5b9);
x = (x ^ (x >> 27)) * UINT64_C(0x94d049bb133111eb);
x = x ^ (x >> 31);
return x;
}
For Java, use long, add L to the...
Making custom right-click context menus for my web-app
...textMenuClassName = "context-menu",contextMenuItemClassName = "context-menu__item",contextMenuLinkClassName = "context-menu__link", contextMenuActive = "context-menu--active";
var taskItemInContext, clickCoords, clickCoordsX, clickCoordsY, menu = document.querySelector("#context-menu"), menuItems...