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ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
...更加需要的“传统”BSD 套接字之上的一层封装。ZMQ 让编写高性能网络应用程序极为简单和有趣。”
近几年有关”Message Queue”的项目层出不穷，知名的就有十几种，这主要是因为后摩尔定律时代，分布式处理逐渐成为主流，业...
Is it possible for a unit test to assert that a method calls sys.exit()
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Here's a complete working example. In spite of Pavel's excellent answer it took me a while to figure this out, so I'm including it here in the hope that it will be helpful.
import unittest
from glf.logtype.grinder.mapping_reader import MapReader
INCOMPLETE_MAPPING_FILE="test/da...
How can I create a “Please Wait, Loading…” animation using jQuery?
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Along with what Jonathan and Samir suggested (both excellent answers btw!), jQuery has some built in events that it'll fire for you when making an ajax request.
There's the ajaxStart event
Show a loading message whenever an AJAX request starts (and none is already active...
Measuring text width to be drawn on Canvas ( Android )
...he methods measureText() and getTextPath()+computeBounds() and build up an Excel with all text attributes for fixed size font that can be found under https://github.com/ArminJo/android-blue-display/blob/master/TextWidth.xlsx .
There you will find also simple formulas for other text attributes like a...
What Are Some Good .NET Profilers?
...ures of ANTS and Scitech .NET Memory Profiler
Real-time analysis feature
Excellent how-to videos on their web sites
Easy to use
Reasonably performant (obviously slower than without the profiler attached, but not so much you become frustrated)
Show instances of leaking objects
Basically they both d...
What does Expression.Quote() do that Expression.Constant() can’t already do?
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This question has already received an excellent answer. I'd additionally like to point to a resource that can prove helpful with questions about expression trees:
There is was a CodePlex project by Microsoft called Dynamic Language Runtime. Its documentation inc...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...操作任何数据库。可以订单数够后，停止秒杀，然后批量写数据库。而且秒杀的商品不多。火车票这个不是像秒杀那么简单的，春运时间，几乎所有的票都是热门票，而且几乎是全国人民都来了，而且还有转车业务，多条线的库...
T-SQL split string
... sqlservercentral.com/articles/Tally+Table/72993 is far better. Some other excellent set based options can be found here. sqlperformance.com/2012/07/t-sql-queries/split-strings
– Sean Lange
Apr 26 '18 at 18:45
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2 column div layout: right column with fixed width, left fluid
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Excellent answer! Here's a working example on Codepen: codepen.io/martinkrulltott/pen/yNxezM
– Martin
Jul 21 '15 at 1:40
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What is the difference between a route and resource in New Router API?
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Excellent summary of an excellent post. But the last quote you include doesn't make sense: That namespace will have an " which [...]. What does the " mean? Is it just a placeholder for Route | Controller | View?
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