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How does Facebook Sharer select Images and other metadata when sharing my URL?
When using Facebook Sharer, Facebook will offer the user the option of using 1 of a few images pulled from the source as a preview for their link. How are these images selected, and how can I ensure that any particular image on my page is always included in this list?
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Can I define a class name on paragraph using Markdown?
Can I define a class name on paragraph using Markdown? If so, how?
10 Answers
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Modular multiplicative inverse function in Python
Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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How can I return pivot table output in MySQL?
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This basically is a pivot table.
A nice tutorial on how to achieve this can be found here: http://www.artfulsoftware.com/infotree/qrytip.php?id=78
I advise reading this post and adapt this solution to your needs.
Update
After the link above ...
How to paste over without overwriting register
Does anyone know of a way to paste over a visually selected area without having the selection placed in the default register?
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JS: iterating over result of getElementsByClassName using Array.forEach
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No. As specified in DOM4, it's an HTMLCollection (in modern browsers, at least. Older browsers returned a NodeList).
In all modern browsers (pretty much anything other IE <= 8), you can call Array's forEach method, passing it the...
AngularJS: ng-show / ng-hide not working with `{{ }}` interpolation
...rying to show / hide some HTML using the ng-show and ng-hide functions provided by AngularJS .
7 Answers
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Representing and solving a maze given an image
What is the best way to represent and solve a maze given an image?
10 Answers
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What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP , NP-Complete and NP-Hard ?
11 Answers
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Unique Key constraints for multiple columns in Entity Framework
....1, you can now do this:
[Index("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribute is where you can specify the order of the columns in the ind...