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What is a mixin, and why are they useful?
...m. I can make a plain old request object by saying:
from werkzeug import BaseRequest
class Request(BaseRequest):
pass
If I want to add accept header support, I would make that
from werkzeug import BaseRequest, AcceptMixin
class Request(AcceptMixin, BaseRequest):
pass
If I wanted to ...
How do you tell if caps lock is on using JavaScript?
...Fn (Android)
Meta
NumLock
OS (Windows & Linux)
ScrollLock
Shift
This demo works in all major browsers including mobile (caniuse).
passwordField.addEventListener( 'keydown', function( event ) {
var caps = event.getModifierState && event.getModifierState( 'CapsLock' );
console.log( ...
Bundling data files with PyInstaller (--onefile)
... # PyInstaller creates a temp folder and stores path in _MEIPASS
base_path = sys._MEIPASS
except Exception:
base_path = os.path.abspath(".")
return os.path.join(base_path, relative_path)
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...
Processing $http response in service
...your service(no need to use then in service)
Use then in your controller
Demo. http://plnkr.co/edit/cbdG5p?p=preview
var app = angular.module('plunker', []);
app.factory('myService', function($http) {
return {
async: function() {
return $http.get('test.json'); //1. this returns prom...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...CREATE TABLE IF NOT EXISTS `radius`.`checksums` ( db CHAR(64) NOT NULL, tbl CHAR(64) NOT NULL, chunk INT NOT NULL, chunk_time FLOAT NULL, chunk_index VARCHAR(200) NULL, lower_boundary TEXT ...
WebRTC - scalable live stream broadcasting / multicasting
...t seems to be a 1st Solution.
A Scalable WebRTC peer-to-peer broadcasting demo.
This module simply initializes socket.io and configures it in a way
that single broadcast can be relayed over unlimited users without any
bandwidth/CPU usage issues. Everything happens peer-to-peer!
This should defini...
How do I implement interfaces in python?
... several uses for interfaces. Some of them are covered by Pythons Abstract Base Classes, introduced in Python 2.6. They are useful, if you want to make base classes that cannot be instantiated, but provide a specific interface or part of an implementation.
Another usage is if you somehow want to sp...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...
You need to be more precise: you want different base 2 logarithm values but what distribution do you want for this? The standard rand() functions generate a uniform distribution, you will need to transform this output using the quantile function associated with the distrib...
Is there a way to instantiate objects from a string holding their class name?
I have a file: Base.h
9 Answers
9
...
Use jQuery to change an HTML tag?
...
return $newElement;
}
Sample usage:
renameElement($('p'),'h5');
Demo
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