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How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:
$ sudo chown -R $(w...
Nearest neighbors in high-dimensional data?
...trieval.
You may be interested in Approximate Nearest Neighbor (ANN) algorithms. The idea is that you allow the algorithm to return sufficiently near neighbors (perhaps not the nearest neighbor); in doing so, you reduce complexity. You mentioned the kd-tree; that is one example. But as you said, kd...
Best practices for storing postal addresses in a database (RDBMS)?
...d references for best practices for storing postal addresses in an RDBMS? It seems there are lots of tradeoffs that can be made and lots of pros and cons to each to be evaluated -- surely this has been done time and time again? Maybe someone has at least written done some lessons learned somewhere...
Practical uses for AtomicInteger
...ementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator from Brian Göetz's Java Concurrency In Practice:
public c...
How to differentiate single click event and double click event?
I have a single button in li with id "my_id" . I attached two jQuery events with this element
18 Answers
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Smooth scrolling when clicking an anchor link
...a couple of hyperlinks on my page. A FAQ that users will read when they visit my help section.
29 Answers
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Are there any standard exit status codes in Linux?
A process is considered to have completed correctly in Linux if its exit status was 0.
10 Answers
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How does node.bcrypt.js compare hashed and plaintext passwords without the salt?
From github :
3 Answers
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Want to find records with no associated records in Rails
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This is still pretty close to SQL, but it should get everyone with no friends in the first case:
Person.where('id NOT IN (SELECT DISTINCT(person_id) FROM friends)')
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