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Are custom elements valid HTML5?
...
The Custom Elements specification is available in Chrome and Opera, and becoming available in other browsers. It provides a means to register custom elements in a formal manner.
Custom elements are new types of DOM elements that can be defined by
authors...
AngularJS: Basic example to use authentication in Single Page Application
...ed a github repo summing up this article basically: https://medium.com/opinionated-angularjs/techniques-for-authentication-in-angularjs-applications-7bbf0346acec
ng-login Github repo
Plunker
I'll try to explain as good as possible, hope I help some of you out there:
(1) app.js: Creation of authe...
【App Inventor 2 数据可视化】使用柱状图和饼图收集数据 - App应用开发 - ...
...的App Inventor伴侣（安卓设备AI伴侣版本号在 2.65 以上）（iOS 电子表格功能目前正在开发中）。没有电子设备?要在计算机上使用模拟器，请检查[安装说明]。
你能做什么?：挑战：把你的数据做成图表为什么要开发一个收集数据的...
The application may be doing too much work on its main thread
...I : Fixing skipped frames
Anyone who begins developing android application sees this message on
logcat “Choreographer(abc): Skipped xx frames! The application may be
doing too much work on its main thread.” So what does it actually
means, why should you be concerned and how to solve it...
PHP memory profiling
...e? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
4 Answ...
Possible to make labels appear when hovering over a point in matplotlib?
...
It seems none of the other answers here actually answer the question. So here is a code that uses a scatter and shows an annotation upon hovering over the scatter points.
import matplotlib.pyplot as plt
import numpy as np; np.random.seed(1)
x = np.random.rand(15)
y = np.random.rand(15)
n...
HTML5 Pre-resize images before uploading
...reateElement("img");
var reader = new FileReader();
reader.onload = function(e) {img.src = e.target.result}
reader.readAsDataURL(file);
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
var MAX_WIDTH = 800;
var MAX_HEIGHT = 600;
var width = img.width;
var height = img.height;
if (wid...
How to unescape HTML character entities in Java?
...
The libraries mentioned in other answers would be fine solutions, but if you already happen to be digging through real-world html in your project, the Jsoup project has a lot more to offer than just managing "ampersand pound FFFF semicolon" th...
Event system in Python
... trying to keep an overview of the above packages, plus the techniques mentioned in the answers here.
First, some terminology...
Observer pattern
The most basic style of event system is the 'bag of handler methods', which is a
simple implementation of the Observer pattern.
Basically, the handler met...
Hashing a file in Python
...o the crux of your problem, I believe, when we consider the memory implications of working with very large files. We don't want this bad boy to churn through 2 gigs of ram for a 2 gigabyte file so, as pasztorpisti points out, we gotta deal with those bigger files in chunks!
import sys
import hashli...