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Creating a dynamic choice field
I'm having some trouble trying to understand how to create a dynamic choice field in django. I have a model set up something like:
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Stopping python using ctrl+c
I have a python script that uses threads and makes lots of HTTP requests. I think what's happening is that while a HTTP request (using urllib2) is reading, it's blocking and not responding to Ctrl C to stop the program. Is there any way around this?
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How to perform .Max() on a property of all objects in a collection and return the object with maximu
...rating through the data, remembering the maximum element we've seen so far and the maximum value it produced under the projection.
In your case you'd do something like:
var item = items.MaxBy(x => x.Height);
This is better (IMO) than any of the solutions presented here other than Mehrdad's se...
Command to collapse all sections of code?
In Visual Studio is there a command to collapse/expand all the sections of code in a file?
20 Answers
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How to sort in-place using the merge sort algorithm?
...s the array xs, the two sorted sub-arrays are represented as ranges [i, m) and [j, n) respectively. The working area starts from w. Compare with the standard merge algorithm given in most textbooks, this one exchanges the contents between the sorted sub-array and the working area. As the result, the...
Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...文本编辑器和一个能解释执行的脚本解释器就可以了。
OS
当前主流的操作系统都支持shell编程，本文档所述的shell编程是指Linux下的shell，讲的基本都是POSIX标准下的功能，所以，也适用于Unix及BSD（如Mac OS）。
Linux
Linux默认安...
Does JavaScript guarantee object property order?
... iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys:
// key order: 1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array or a Map object can be a better way to achieve this. Map shares some similarities with O...
Python function attributes - uses and abuses [closed]
Not many are aware of this feature, but Python's functions (and methods) can have attributes . Behold:
8 Answers
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Lost httpd.conf file located apache [closed]
...ce ps only shows tasks running as me. I had to just try running "httpd -V" and "apache2ctl -V" as Rich Bower suggests.
– John Pankowicz
Jan 17 '16 at 22:22
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浅谈服务器单I/O线程＋工作者线程池模型架构及实现要点 - 更多技术 - 清泛...
浅谈服务器单I/O线程＋工作者线程池模型架构及实现要点我们知道，服务器并发模型通常可分为单线程和多线程模型，这里的线程通常是指I O线程，即负责I O操作，协调分配任务的管理线程，而实际的请...我们知道，服务器并发...