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source of historical stock data [closed]
... Yahoo gets their EOD data as well AFAIK. They have an API where you can extract the data to whatever format you want. I think the yearly subscription for data is a few $100 bucks.
The main problem with downloading data from a free service is that you only get stocks that still exist, this is cal...
How to make Twitter Bootstrap menu dropdown on hover rather than click
... having to click the menu title. I'd also like to lose the little arrows next to the menu titles.
43 Answers
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When to use Preorder, Postorder, and Inorder Binary Search Tree Traversal strategies
...-order, in-order and post-order for a binary tree, you have to understand exactly how each traversal strategy works. Use the following tree as an example.
The root of the tree is 7, the left most node is 0, the right most node is 10.
Pre-order traversal:
Summary: Begins at the root (7), end...
How do malloc() and free() work?
....
There are many different optimizations to this standard behaviour (for example for small chunks of memory). But since malloc and free must be so universal, the standard behaviour is always the fallback when alternatives are not usable. There are also optimizations in handling the free-list — fo...
Regular expression for floating point numbers
...ask to match floating point numbers. I have written the following regular expression for it:
12 Answers
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Why am I getting a “401 Unauthorized” error in Maven?
...
I've had similar errors when trying to deploy a Gradle artefact to a Nexus Sonatype repository. You will get a 401 Unauthorized error if you supply the wrong credentials (password etc). You also get an error (and off the top of my head is also a 401) if you try to publish something to a releas...
How to deploy correctly when using Composer's develop / production switch?
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I agree with most of what is said with one exception. "composer install --no-dev" should be executed only in a staging environment and that environment should be considered immutable. I wouldn't want to have any dependency downloaded directly at my production server...
Android OpenGL ES and 2D
...I've spent over a month browsing Google and reading/trying some tutorials/examples I've found anywhere but to be honest, it didn't help much and this is for two reasons:
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Qt events and signal/slots
...
The Qt documentation probably explains it best:
In Qt, events are objects, derived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application n...
How to design a database for User Defined Fields?
...e application code
needed to operate the UDF definition
and management. I expect this is
still less code needed than for the
original options 1, 3, & 4.
Other Considerations:
If there is anything about the
nature of the data that would make
sense for the UDFs to be grouped,
that should be en...