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How many threads is too many?

I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads. ...
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How does `is_base_of` work?

...all to check, both versions are viable because Host can be converted to D* and B*. It's a user defined conversion sequence as described by 13.3.3.1.2 from Host<B, D> to D* and B* respectively. For finding conversion functions that can convert the class, the following candidate functions are sy...
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Passing data to a bootstrap modal

... a modal ( http://twitter.github.com/bootstrap/javascript.html#modals ), and pass this ID to the modal. I searched on google, but I couldn't find anything that could help me. ...
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Easy idiomatic way to define Ordering for a simple case class

I have a list of simple scala case class instances and I want to print them in predictable, lexicographical order using list.sorted , but receive "No implicit Ordering defined for ...". ...
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Getting the name of a child class in the parent class (static context)

I'm building an ORM library with reuse and simplicity in mind; everything goes fine except that I got stuck by a stupid inheritance limitation. Please consider the code below: ...
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Getting an element from a Set

...the OP specified. A less efficient solution would be to remove the element and re-add it with its values updated. – KyleM Feb 19 '13 at 17:48 15 ...
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App Inventor 2 中文网原创内容 · App Inventor 2 中文网

...合并工具 【项目编译】AI2本地编译.apk工具 【存储】Android存储系统基础知识:内部存储,外部存储,App特定目录ASD 及 getASD代码实现 【视频】App Inventor 2基础组件使用 【科普】App Inventor 2 中的“2”是什么意思? 【科普...
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How do I add custom field to Python log format string?

...'Super App'} logger = logging.getLogger(__name__) syslog = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s') syslog.setFormatter(formatter) logger.setLevel(logging.INFO) logger.addHandler(syslog) logger = logging.LoggerAdapter(logger, extra) logger.inf...
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ASP.NET MVC View Engine Comparison

...r game here. Just alphabetize new View Engines (leaving WebFormViewEngine and Razor at the top), and try to be objective in comparisons. System.Web.Mvc.WebFormViewEngine Design Goals: A view engine that is used to render a Web Forms page to the response. Pros: ubiquitous since it ship...
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Overriding a Rails default_scope

...ed Dec 2 '09 at 16:50 Pär WieslanderPär Wieslander 26.1k55 gold badges4747 silver badges5050 bronze badges ...