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Why are arrays of references illegal?
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Answering to your question about standard I can cite the C++ Standard §8.3.2/4:
There shall be no references to references, no arrays of references, and no pointers to references.
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Select all child elements recursively in CSS
... element y that is inside x, however deeply nested it may be - children, grandchildren and so on.
The asterisk * matches any element.
Official Specification: CSS 2.1: Chapter 5.5: Descendant Selectors
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What is the use of the %n format specifier in C?
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@AndrewS: Because the function will modify the value of the variable.
– Jack
Jun 20 '14 at 0:31
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Is a view faster than a simple query?
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Yes, views can have a clustered index assigned and, when they do, they'll store temporary results that can speed up resulting queries.
Update: At least three people have voted me down on this one. With all due respect, I think that they are just wrong; Microsoft's own...
Wait 5 seconds before executing next line
...nstance to simulate a slow async http request?
– A.Grandt
Sep 22 '16 at 9:17
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If by "testing" y...
Entity Framework - Code First - Can't Store List
...ifferent table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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Dynamically updating plot in matplotlib
... am making an application in Python which collects data from a serial port and plots a graph of the collected data against arrival time. The time of arrival for the data is uncertain. I want the plot to be updated when data is received. I searched on how to do this and found two methods:
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Creating threads - Task.Factory.StartNew vs new Thread()
I am just learning about the new Threading and Parallel libraries in .Net 4
4 Answers
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How do I determine k when using k-means clustering?
I've been studying about k-means clustering , and one thing that's not clear is how you choose the value of k. Is it just a matter of trial and error, or is there more to it?
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Expand a div to fill the remaining width
...th floats in a specific way.
Just take that second div, remove the float, and give it overflow:hidden instead. Any overflow value other than visible makes the block it's set on become a BFC. BFCs don't allow descendant floats to escape them, nor do they allow sibling/ancestor floats to intrude in...