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How does akka compare to Erlang? [closed]

...e lighter alternative to java for web apps. – Chris Snow Nov 30 '13 at 13:42 @FUD: maybe he meant 1000 Erlang instruct...
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When and why are database joins expensive?

... on you) and are indignantly setting hand to keyboard to tell me that you know for a fact that denormalisation is faster, sorry but you're living in one of the special cases - specifically, the case where you process all of the data, in-order. It's not a general case, and you are justified in your s...
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Differences between Ant and Maven [closed]

...hat they are used to automate the building of Java projects, but I do not know where to start from. 9 Answers ...
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What is the concept of erasure in generics in Java?

... @Rogerio: No, the objects won't have different generic types. The fields know the types, but the objects don't. – Jon Skeet Dec 28 '09 at 8:55 8 ...
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ServiceStack vs ASP.Net Web API [closed]

...ages REST-ful API design. As for examples between the 2, this is the only known example I have with the same service written in both ServiceStack and WebApi. Best Practices remote services ServiceStack has a primary focus on simplicity, performance and in promoting web/remote service best-practice...
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Most popular screen sizes/resolutions on Android phones [closed]

...tioned various resolution sizes in mdpi, hdpi, xhdpi and xxhdpi like that. Now i going to develop fully images app. I get image from designer, I need to asking him for which resolution size of images in mdpi, hdpi, xhdpi and xxhdpi. Please help me. Thanks in advance. – Sakthi ...
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网

...执行以下步骤: 导入 Android 模块 common、commonwidget、panowidget 将全景对象视图添加到您的项目屏幕布局 (com.google.vr.sdk.widgets.pano.VrPanoramaView) 调用 VrPanoramaView.loadImageFromBitmap 方法,该方法采用全景位图和渲染选项。 以下是 V...
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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?

...wever there are patents on it in USA. The only thing you really have to know is that ECB is not to be used unless you are only encrypting 1 block. XTS should be used if you are encrypting randomly accessed data and not a stream. You should ALWAYS use unique IV's every time you encrypt, and they ...
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What is the difference between trie and radix trie data structures?

...e letter, while in a PATRICIA tree (or radix tree) you store whole words. Now, assume you have the words hello, hat and have. To store them in a trie, it would look like: e - l - l - o / h - a - t \ v - e And you need nine nodes. I have placed the letters in the nodes, but in ...
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What's the rationale for null terminated strings?

... pointer to char, which is equivalent to a pointer to byte, how would you know that the buffer you're dealing with is really intended to be a 'string'? you would need a new type other than char/byte* to denote this. maybe a struct? – Robert S Ciaccio Dec 11 '...