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Xcode is not currently available from the Software Update server
I have problems with my macport after update to OS X 10.9.
13 Answers
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difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name?
10 Answers
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How would you implement an LRU cache in Java?
...t say EHCache or OSCache, etc. Assume for purposes of this question that I want to implement my own using just the SDK (learning by doing). Given that the cache will be used in a multithreaded environment, which datastructures would you use? I've already implemented one using LinkedHashMap and Co...
How do I declare a 2d array in C++ using new?
How do i declare a 2d array using new?
24 Answers
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Template default arguments
If I am allowed to do the following:
4 Answers
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How to check whether a string is a valid HTTP URL?
There are the Uri.IsWellFormedUriString and Uri.TryCreate methods, but they seem to return true for file paths etc.
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Git Diff with Beyond Compare
I have succeeded in getting git to start Beyond Compare 3 as a diff tool however, when I do a diff, the file I am comparing against is not being loaded. Only the latest version of the file is loaded and nothing else, so there is nothing in the right pane of Beyond Compare.
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How to truncate milliseconds off of a .NET DateTime
...SQL Server of course keeps some precision of milliseconds on the time, and when read into a .NET DateTime, it includes those milliseconds. The incoming request to the system, however, does not offer that precision, so I need to simply drop the milliseconds.
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Regex select all text between tags
What is the best way to select all the text between 2 tags - ex: the text between all the 'pre' tags on the page.
17 Answe...
淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...旗舰店。经过日志统计，前端系统双11峰值有效请求约60w以上的QPS ，而后端cache的集群峰值近2000w/s、单机也近30w/s，但到真正的写时流量要小很多了，当时最高下单减库存tps是红米创造，达到1500/s。
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秒杀系统设计的第...