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What data type to use for hashed password field and what length?
I'm not sure how password hashing works (will be implementing it later), but need to create database schema now.
10 Answers...
Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
Here is a function I was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
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What are the differences between Deferred, Promise and Future in JavaScript?
What are the differences between Deferreds, Promises and Futures?
Is there a generally approved theory behind all these three?
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delete a.x vs a.x = undefined
Is there any substantial difference in doing either of these?
9 Answers
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Public Fields versus Automatic Properties
We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world.
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Nearest neighbors in high-dimensional data?
I have asked a question a few days back on how to find the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions:
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Is std::unique_ptr required to know the full definition of T?
I have some code in a header that looks like this:
8 Answers
8
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What are the uses for Cross Join?
A cross join performs a cartesian product on the tuples of the two sets.
9 Answers
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What's the best way of scraping data from a website? [closed]
I need to extract contents from a website, but the application doesn’t provide any application programming interface or another mechanism to access that data programmatically.
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