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How to get the input from the Tkinter Text Widget?
...
def update_sliders(self):
"""
Updates slider limits based on what's written in the text and
which line is selected.
"""
self._update_line_sliders()
self._update_column_sliders()
def _update_line_sliders(self):
if self.text.lines_l...
Convert HTML to PDF in .NET
... and had a bunch of hurdles.
I personally would avoid using wkhtmltopdf - based solutions on Hosted Enterprise applications for the following reasons.
First of all wkhtmltopdf is C++ implemented not C#, and you will
experience various problems embedding it within your C# code,
especially while sw...
Python name mangling
... are that it increases cognitive load for reading and understanding a code base, and especially so when debugging where you see the double underscore name in the source and a mangled name in the debugger.
My personal approach is to intentionally avoid it. I work on a very large code base. The rare ...
Get file size, image width and height before upload
...
Example using FileReader API
In case you need images sources as long Base64 encoded data strings
<img src="data:image/png;base64,iVBORw0KGg... ...lF/++TkSuQmCC=">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
con...
C++ 读写xml方法整理（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...是五花八门，太多了，这里对常用的几种做一个总结，附demo。1、Markup 下载：
特点：C++编写的，一个.h，一个.cpp，绿色小巧，直接加入工程源码编译，只支持MFC。
<?xml version="1.0" encoding="utf-8"?>
<root>
<update ver="1.2.0" pkg="setup.e...
Check image width and height before upload with Javascript
.../Initiate the JavaScript Image object.
var image = new Image();
//Set the Base64 string return from FileReader as source.
image.src = e.target.result;
//Validate the File Height and Width.
image.onload = function () {
var height = this.height;
var width = this.width;
if (height > 100 || w...
Using HTML and Local Images Within UIWebView
...IWebView. Instead you have to load the HTML into the view with the correct baseURL:
NSString *path = [[NSBundle mainBundle] bundlePath];
NSURL *baseURL = [NSURL fileURLWithPath:path];
[webView loadHTMLString:htmlString baseURL:baseURL];
You can then refer to your images like this:
<img src="m...
AngularJS HTTP post to PHP and undefined
...
In the API I am developing I have a base controller and inside its __construct() method I have the following:
if(isset($_SERVER["CONTENT_TYPE"]) && strpos($_SERVER["CONTENT_TYPE"], "application/json") !== false) {
$_POST = array_merge($_POST, (arra...
CSS3滚动条美化效果 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...等，当然有些地方也可以用图片，然后图片也可以转换成Base64，总之，可以尽情发挥了。
CSS3 滚动条 美化 效果
HTML5 Local Storage fallback solutions [closed]
...lowing backends:
flash: Flash 8 persistent storage.
gears: Google Gears-based persistent storage.
localstorage: HTML5 draft storage.
whatwg_db: HTML5 draft database storage.
globalstorage: HTML5 draft storage (old spec).
ie: Internet Explorer userdata behaviors.
cookie: Cookie-based persiste...