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大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...squo;职业大师’、‘媒体大师’、‘实时球市APP’、‘创冰DATA’PC端网页和实时数据游戏在内的五大产品线。在中国足球快速发展的大时代下，创冰科技以其自身独有的优势在体育产业应用场景和商业价值上...
What is so bad about singletons? [closed]
...al instance, why is that so bad? Because you hide the dependencies of your application in your code, instead of exposing them through the interfaces. Making something global to avoid passing it around is a code smell.
They violate the single responsibility principle: by virtue of the fact that they ...
How to track down log4net problems
...how to tell what's going on on the inside. For example, I've got a console appender and a database appender in my project. I made a few changes to the database and the code, and now the database appender doesn't work anymore. I'll figure out why eventually, but it would help a lot if I could see wha...
Java - JPA - @Version annotation
...sage triggers creation of an entity and there are multiple instances of an application listens to the message. I just want to avoid the unique constraint violation error..
– Manu
Jan 19 '16 at 6:28
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Grasping the Node JS alternative to multithreading
...read and set a callback when it's done which means that the read could be happening on a different thread/core while the main node.js program is doing something else.
But from a node.js point of view, it's entirely single threaded and won't directly use more than one core.
...
Why are data transfer objects (DTOs) an anti-pattern?
...rue. You can serialize anonymous types to JSON just fine. Try it in an MVC app: return Json(new { Foo = "Hi there! } ); I promise you it works just fine. Better, perhaps, than non-anonymous types, since anonymous types generally have no cycles in their object graphs, which break the JSON serialize...
What do the return values of node.js process.memoryUsage() stand for?
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How is heapTotal managed by node? In my app I see heapTotal going up steadily (regardless of GC) even though heapUsed remains bounded. I've not seen any explanation of how heapTotal is managed by node... I guess it's just reserved heap for future allocations, but i...
Parsing IPv6 extension headers containing unknown extensions
...t least without in-band signaling and other hacks. That's excusable in an application protocol where you control both ends and only have to account for new versions of your app, but not in something designed to last for... hundreds of years?
– AdamIerymenko
Ju...
How to make Java honor the DNS Caching Timeout?
...closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a way to do this in Java.
...
How to find the php.ini file used by the command line?
...n either be the place where it found such a file or the last option which happens to be %SYSTEMROOT% on windows.
– VolkerK
May 1 '10 at 16:04
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