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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
...e trying COUNTER, according to msdn.microsoft.com/en-us/library/b0084kay(v=vs.80).aspx it is a macro specific to Microsoft.
– Elva
Mar 4 '12 at 14:08
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SQL Server : Columns to Rows
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For those who want more nuts and bolts about UNPIVOT and/vs. APPLY, this 2010 blog post from Brad Schulz (and the follow-on) is (are) beautiful.
– ruffin
Jun 17 '15 at 21:09
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How to get the current time in Python
.../worse than @ParaMeterz's answer below? Why should we use the time module vs. the datetime module?
– Nathan
Apr 29 '18 at 16:17
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地图组件（高德地图） · App Inventor 2 中文网
... CreateMarker 方法动态创建，并使用 “Any Component” 块进行配置。
属性
锚点水平对齐
设置或获取 标记 中心相对于其图像的水平偏移量。有效值为：1（左）、2（右）或 3（中）。
锚点垂直对齐
设置或获...
HttpClient.GetAsync(…) never returns when using await/async
....microsoft.com/en-us/library/system.runtime.compilerservices.taskawaiter(v=vs.110).aspx
And here:
http://msdn.microsoft.com/en-us/library/system.runtime.compilerservices.taskawaiter.getresult(v=vs.110).aspx
And seeing:
This type and its members are intended for use by the compiler.
Consider...
How to Store Historical Data
...ded for only brief storage of data history. See SQL Server Temporal Tables vs Change Data Capture vs Change Tracking.
– Edward Brey
Jul 12 '19 at 12:09
add a comment
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
...ttp://java.dzone.com/news/intro-design-patterns-abstract
Abstract Factory vs. Factory Method
The methods of an Abstract Factory are implemented as Factory Methods. Both the Abstract Factory Pattern and the Factory Method Pattern decouples the client system from the actual implementation classes thr...
Determine Whether Two Date Ranges Overlap
....end >= B.start AND A.start <= B.end
You can tune the use of >= vs > and <= vs < to meet your requirements for degree of overlap.
ErikE comments:
You can only get 13 if you count things funny... I can get "15 possible relations that two intervals can have" when I go crazy ...
SQL query to find record with ID not in another table
...ecific to PostgreSQL though: https://explainextended.com/2009/09/16/not-in-vs-not-exists-vs-left-join-is-null-postgresql/
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Advantages of std::for_each over for loop
... a huge win.
Update 1:
Most importantly, it helps you go beyond for_each vs. for-loops like that's all there is, and look at the other STL-alogs, like find / sort / partition / copy_replace_if, parallel execution .. or whatever.
A lot of processing can be written very concisely using "the rest" of...