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Rails: How does the respond_to block work?
...is (using JS-like pseudocode):
// get an instance to a responder from the base class
var format = get_responder()
// register html to render in the default way
// (by way of the views and conventions)
format.register('html')
// register json as well. the argument to .json is the second
// argumen...
Ubuntu, vim, and the solarized color palette
... I think the foreground colour on a dark background should be "base0" not "base00". So the last line should be gconftool-2 --set "/apps/gnome-terminal/profiles/Default/foreground_color" --type string "#838394949696"
– Chris Wesseling
Nov 30 '11 at 1...
What is the Haskell response to Node.js?
...uages, 2- using OS threads is expansive. Node.js solution is to use event-based concurrency (w/ libev) to avoid communication between threads and to avoid scalability problems of OS threads. Haskell does not have problem #1 because of purity. For #2, Haskell has lightweight threads + event manager...
Can I use if (pointer) instead of if (pointer != NULL)?
... or conciseness isn't that much of an issue here.
Dynamic casts. Casting a base-class pointer to a particular derived-class one (something you should again try to avoid, but may at times find necessary) always succeeds, but results in a null pointer if the derived class doesn't match. One way to che...
Cosine Similarity between 2 Number Lists
...
another version based on numpy only
from numpy import dot
from numpy.linalg import norm
cos_sim = dot(a, b)/(norm(a)*norm(b))
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im...
List all the modules that are part of a python package?
..., but I'd love to have a definite answer before I roll out my own solution based on os.listdir().
5 Answers
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Copy rows from one Datatable to another DataTable?
...ly iterating through each, unlike all of the foreach loop, .ForEach method based answers.
– David Burg
Aug 30 '18 at 22:36
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SimpleTest vs PHPunit
...sly).
PHPUnit is actively maintained, stable and works great for every codebase, every scenario and every way you want to write your tests.
(Subjective) PHPUnit provides much nicer code coverage reports than Simpletest
With PHPUnit you also get these reports inside your IDE (Netbeans, Eclipse, ...)
...
what is the difference between OLE DB and ODBC data sources?
...om page 7 of that book)
ODBC provides access only to relational databases
OLE DB provides the following features
Access to data regardless of its format or location
Full access to ODBC data sources and ODBC drivers
So it would seem that OLE DB interacts with SQL-based data...
Reasons for using the set.seed function
...ackage allows you to set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Gre...