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What is the difference between Google App Engine and Google Compute Engine?
...system, and you install all the software that you want, which is usually a web server, database, etc...
In app engine you don't manage the operating system of any of the underlying software. You only upload code (Java, PHP, Python, or Go) and voila - it just runs...
App engine saves tons of heada...
Greedy vs. Reluctant vs. Possessive Quantifiers
...t's a completely separate algorithm from the NFA/DFA idea described in the web page. Backtracking is just easier to understand, which is why that's how regexps are typically explained to beginners.
– David Z
Mar 16 '11 at 1:50
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How to use git bisect?
...ype of project. You just need to replace "make test" step with "deploy the web site and reproduce the issue"
– alex.b
Jan 29 '15 at 21:41
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Simple explanation of MapReduce?
...uce applications, one can say:
•Count of URL access frequency
•Reverse Web-link Graph
•Distributed Grep
•Term Vector per host
In order to avoid too much network traffic, the paper describes how the framework should try to maintain the data locality. This means that it should always try to ma...
How to determine if a number is a prime with regex?
... I tried this logic with JS in the chrome dev console. on the web page. and just passed 5 to check. The page crashed!
– Amogh Talpallikar
May 9 '13 at 14:53
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In HTML5, should the main navigation be inside or outside the element?
...ither inside or outside the page's masthead <header> element. For websites having both secondary and main navigation, it seems common to include the secondary navigation as a <nav> element inside the masthead <header> element with the main navigation as a <nav> eleme...
What is the difference between JSON and Object Literal Notation?
...urpose programming languages. It is best known as the language embedded in web browsers but has also been widely adopted for server and embedded applications. ECMAScript is based on several originating technologies, the most well-known being JavaScript (Netscape Communications)) and JScript (Microso...
When to use Mockito.verify()?
...t. On the other hand, suppose you have some @Service and you are writting @Web-Service that is essentially wrapper upon your @Service - it delegates all calls to the @Service (and making some extra error handling). In this case calling to Mockito.verify() is essential, you shouldn't duplicate all of...
Is it abusive to use IDisposable and “using” as a means for getting “scoped behavior” for exception
...the no-op. This is rare, but it does happen in real life, particularly on web servers. In that case, the unlock happens but the lock never happens, because the exception was thrown before the try. It is entirely possible that this code is vulnerable to this problem, and should actually be written
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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
...文件
八、利用 ZeroMQ 实现一个配置推送中心
当我们将 WEB 代码部署到集群上的时候，如果需要实时的将最新的配置信息，主动的推送到各个机器节点。在此过程中，我们一定要保证，各个节点收到的信息的一致性和正确性，如...