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How can I unit test Arduino code?
...tiplex four 7 segment displays, one port driving the segments and a second selecting the display. The display code interfaces with the displays via SetSegmentData(char) and SetDisplay(char). I can mock these in my C++ test rig and check that I get the data I expect. For the target I use #define so t...
Clustered vs Non-Clustered
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Some db with some nasty selects, joins in a stored procedure - only diffrence is the index
INDEXES - clustered vs nonclustered
891 rows
10 sec
NONCLUSTERED
OR
891 rows
14 sec
CLUSTERED
...
TCP 的那些事儿（上） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，这是一把双刃剑。
SACK 方法
另外一种更好的方式叫：Selective Acknowledgment (SACK)（参看RFC 2018），这种方式需要在TCP头里加一个SACK的东西，ACK还是Fast Retransmit的ACK，SACK则是汇报收到的数据碎版。参看下图：
这样，在发送端...
用户界面（UI）组件 · App Inventor 2 中文网
...控件颜色，比如FloatingButton、TextField、Cursor、ProgressBar、Selection、Links等具体交互性的颜色。
另外附上Android Material设计图的Color说明：
主题颜色
这是用作 Android 主题部分的主要颜色，包括“屏幕”标题栏颜色...
How do I choose grid and block dimensions for CUDA kernels?
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The blocksize is usually selected to maximize the "occupancy". Search on CUDA Occupancy for more information. In particular, see the CUDA Occupancy Calculator spreadsheet.
sh...
Is SHA-1 secure for password storage?
...") under the assumption that many user passwords will be in that specially selected space.
Hence salting will at least prevent the attacker from using pre-computed tables, in particular pre-computed rainbow tables. This assumes that the attacker will be able to break one password or two; we do not ...
How did Google manage to do this? Slide ActionBar in Android application
...would like to add sub menu items (for example check facebook app). So when selecting a menu item with a sub item, the menu needs to animate to the right. Any tips for implementing this?
– Luciano
Oct 10 '12 at 14:36
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Is XSLT worth it? [closed]
...f there is a lot of logic, but mostly of forms which are built in to XSLT (select all elements which look like blah, and for each one output blah), it's likely to be quite a friendly environment. If you fancy thinking XML-ishly at all times, then give XSLT 2 a go.
Otherwise, I'd say that if your fa...
Parsing JSON using Json.net
... writing to console):
var tuples = JObject.Parse(myJsonString)["objects"].Select(item => item.ToTuple()).ToList();
tuples.ForEach(t => Console.WriteLine("{0}: ({1},{2})", t.Item1, t.Item2, t.Item3));
share
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Use of var keyword in C#
...oing things like var customers = whatever; var query = from c in customers select stuff it doesn't matter what the exact type of 'customers' is. It's obvious how you can use it, and that's enough. And if the actual type is cumbersome, it's worthwhile to suppress it.
– Joren
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