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Show a popup/message box from a Windows batch file
...age box from a batch file (similar to how xmessage can be used from bash-scripts in Linux)?
21 Answers
...
Add legend to ggplot2 line plot
...") +
scale_y_continuous("Temperatura (C)", limits = c(-10,40)) +
labs(title="TITULO")
The idea is that each line is given a color by mapping the colour aesthetic to a constant string. Choosing the string which is what you want to appear in the legend is the easiest. The fact that in this case...
Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...现动态html绑定数据，如下图，其中View-Model是客户端的javascript object保存的model数据。
先打开HomeController，里面添加一个新的Action代码如下，因为我们要在MVC中对于ContactsController添加对应的View。
public ActionResult Admin()
{
...
Socket客户端使用指导 · App Inventor 2 中文网
...cp-peer.py。启动命令如下（Windows把 .venv/bin/python 改为 .venv\Scripts\python.exe）：
python3 tcp-peer.py
#!/usr/bin/env python3
"""实际TCP回显对端：接收文本、二进制和文件原始字节；CLOSE换行请求关闭。"""
import socketserver
class 回显处理器(socket...
Web-scraping JavaScript page with Python
...In fact, I achieve this goal, but I have seen that in some pages where JavaScript is loaded I didn't obtain good results.
1...
Absolute vs relative URLs
...hould almost always be used when including external resources (images, javascripts etc).
What this type of URL does is use the current scheme of the page it is on. This means that you are on the page http://yourdomain.com and on that page is an image tag <img src="//yourdomain.com/images/example....
How to make asynchronous HTTP requests in PHP
...absolutely not async. If the write buffer is full (very least likely) your script will definitely hang there. You should consider changing your title to something like "requesting a webpage without waiting for response".
– howanghk
Mar 26 '13 at 4:42
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Accessing outside variable using anonymous function as params
...no matter what function is executing.
Code:
$result = '';
fetch("SELECT title FROM tbl", function($r) use (&$result) {
$result .= $r['title'];
});
But beware (taken from one of comments in previous link):
use() parameters are early binding - they use the variable's value at
the po...
Create a custom View by inflating a layout?
...tributes passed in from the XML. You can then pass that attribute to your title TextView.
http://developer.android.com/guide/topics/ui/custom-components.html
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How do you run your own code alongside Tkinter's event loop?
...t the best option; although it works in this case, it is not good for most scripts (it only runs every 2 seconds), and setting the timeout to be 0, per the suggestion posted by @Nathan because it only runs when tkinter is not busy (which could cause problems in some complex programs). Best to stick...