大约有 40,000 项符合查询结果(耗时:0.0474秒) [XML]

https://stackoverflow.com/ques... 

How to get the return value from a thread in python?

...ram in param_list] The order will be maintained, and exiting the with will allow result collection. [f.result() for f in futures] – jayreed1 Jun 4 at 21:29 ...
https://stackoverflow.com/ques... 

#pragma pack effect

...alks about some fairly extreme alignment (aligning on 4KB boundaries). The CPU expects certain minimum alignments for various data types, but those require, in the worst case, 8-byte alignment (not counting vector types which may require 16 or 32 byte alignment). Not aligning on those boundaries gen...
https://stackoverflow.com/ques... 

Is there a generator version of `string.split()` in Python?

...plitlines chops off the trainling newline though (something that I don't really like...); if you wanted to replicated that part of the behavior, you could use grouping: (m.group(2) or m.group(3) for m in re.finditer('((.*)\n|(.+)$)', s)). PS: I guess the outer paren in the RE are not needed; I just ...
https://stackoverflow.com/ques... 

How to convert decimal to hexadecimal in JavaScript

...) to hex and back using this technique. The question you linked is specifically referencing numbers too large to fit into a Double (hence the string representation in the question). If you've got a Number then this will work. If you have something too big to be a javascript Number object (a Double) ...
https://stackoverflow.com/ques... 

A cron job for rails: best practices?

... I'm using the rake approach (as supported by heroku) With a file called lib/tasks/cron.rake .. task :cron => :environment do puts "Pulling new requests..." EdiListener.process_new_messages puts "done." end To execute from the command line, this is just "rake cron". This command ...
https://stackoverflow.com/ques... 

iPhone Data Usage Tracking/Monitoring

... The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface. I read in Apple forum that : The OS does not keep network statistics on a process-by-process basis. As such, there's n...
https://stackoverflow.com/ques... 

What is the bit size of long on 64-bit Windows?

...pointers for 64-bit platforms. The two mostly widely used were ILP64 (actually, only a very few examples of this; Cray was one such) and LP64 (for almost everything else). The acronynms come from 'int, long, pointers are 64-bit' and 'long, pointers are 64-bit'. Type ILP64 LP64 LLP64...
https://www.tsingfun.com/it/pr... 

项目管理实践【四】Bug跟踪管理【Bug Trace and Management】 - 项目管理 -...

...了,应该可以在http://localhost/BugNet 访问,如果有什么安装问题,请访问支持论坛。 下面是运行后,BugNET首页的截图: 我想看完这篇文章,你一定会自己试一试吧! OK, That's all what I say , and now, it's your turn. 不好意思,由于下...
https://www.tsingfun.com/it/cpp/2183.html 

[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...类的实现。打印及打印预览是编写应用程序经常要解决的问题,为了理解VC++对话框程序的打印及打印预览实现,要先掌握基于文档/视图的应用程序打印及打印预览的基本原理。所以分为两部分介绍。 一、基于文档/视图的应用程...
https://stackoverflow.com/ques... 

Are tuples more efficient than lists in Python?

...l be more like the tuple example above than the list example, but do you really believe that means performance will be similar? – mzz Jan 31 '10 at 15:21 ...