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How to set up Spark on Windows?
... rebuilding everything - such as if you do not have a recent version of MS-VS. (You will need a Win32 C++ compiler, but you can install MS VS Community Edition free.)
I've tried this with Spark 1.2.2 and mahout 0.10.2 as well as with the latest versions in November 2015. There are a number of prob...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...uages, ruby etc) often choose underscore variant; and rest similarly (Java vs .NET). Jackson library that was mentioned, for example, assumes Java bean naming convention (camelCase)
UPDATE: my definition of "standard" is a SINGLE convention. So while one could claim "yes, there are many standards",...
Visual Studio Disabling Missing XML Comment Warning
... in this case. It is not the tool that's flawed, it's the entire concept. VS2012 adds method/parameter stubs to standardized XML comments if that is what you want. But adding comments that are simply longer versions of the method names and calling it documentation is just visual clutter.
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Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...width that can be derived from the image data. In the framework of content vs layout, I would say that this derived height and width information is content, not layout, and should therefore be rendered as HTML as element attributes.
This is much like the alt text, which can also be said to be deri...
Difference between abstract class and interface in Python
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@L.DeLeo - are you sure your notion of has-a vs. is-a is correct? I generally view the distinction as has-a = member variable vs. is-a = inheritance (parent class or interface). Think Comparable or List in Java; those are is-a relationships, regardless of whether they...
CAP theorem - Availability and Partition Tolerance
...provides a lot of benefits.
For me, rare: so we move on to discussing AP vs CP.
You only choose between AP and CP operation when you have a partition. If the network & hardware is operating correctly, you get your cake and eat it too.
Let's discuss the AP / CP distinction.
AP - when there i...
Why is no one using make for Java?
...he fact that java tends to be organized as groups of files in directories, vs C and others which tend towards a flatter structure. Make doesn't have much direct support to working with hierarchies of files.
Make also isn't very good at determining what files are out of date, at a collection level.
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What's the difference between session.persist() and session.save() in Hibernate?
Can anyone tell me what's the advantage of persist() vs save() in Hibernate?
10 Answers
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数据存储组件 · App Inventor 2 中文网
...多个项目。如果使用您自己的Redis服务器，请在服务器的配置并在此处输入。
使用SSL
设置为真则使用SSL加密通道与云数据库/Redis服务器通信。如果上面服务地址设置“DEFAULT”的话，这个应该设置为真。
事件
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How to extend an existing JavaScript array with another array, without creating a new array
...ave please link your results. See jsperf: jsperf.com/array-extending-push-vs-concat/5
– jcdude
May 27 '14 at 9:39
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