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How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
55 Answers
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Greenlet Vs. Threads
...s and greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets!
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How is Node.js inherently faster when it still relies on Threads internally?
... Introduction to Node.js and still don't understand how you get the speed benefits.
6 Answers
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Multiple github accounts on the same computer?
Trying to work on my both my actual "work" repos, and my personal repos on git hub, from my computer.
24 Answers
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Hibernate vs JPA vs JDO - pros and cons of each? [closed]
I'm familiar with ORM as a concept, and I've even used nHibernate several years ago for a .NET project; however, I haven't kept up with the topic of ORM in Java and haven't had a chance to use any of these tools.
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Would it be beneficial to begin using instancetype instead of id?
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There definitely is a benefit. When you use 'id', you get essentially no type checking at all. With instancetype, the compiler and IDE know what type of thing is being returned, and can check your code better and autocomplete better.
Only use it ...
Why Does OAuth v2 Have Both Access and Refresh Tokens?
...draft OAuth 2.0 protocol indicates that an authorization server can return both an access_token (which is used to authenticate oneself with a resource) as well as a refresh_token , which is used purely to create a new access_token :
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How to handle Handler messages when activity/fragment is paused
...em does not appear to have a mechanism that sufficiently addresses your problem I believe this pattern does provide a relatively simple to implement workaround.
The following class is a wrapper around android.os.Handler that buffers up messages when an activity is paused and plays them back on resu...
Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
...eal-Time Data FAQ上有其性能描述（http://msdn.microsoft.com/en-us/library/aa140060(v=office.10).aspx#odc_xlrtdfaq_whatisrtd），据说在一台配置为 Pentium III 500 MHz 的CPU和 128 MB 内存的电脑上，RTD可以在一秒内对20000个独立的主题（topic）更新三次，对于...
What's the best way of scraping data from a website? [closed]
I need to extract contents from a website, but the application doesn’t provide any application programming interface or another mechanism to access that data programmatically.
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