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How to assign from a function which returns more than one value?
... with @merlin2011; as written it seems like this syntax is embedded into R base.
– knowah
Jun 3 '14 at 22:52
6
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git difftool, open all diff files immediately, not in serial
...me question was asked on the git mail list.
I put together a shell script based on that email thread which performs a directory diff between arbitrary commits.
Starting with git v1.7.10, the git-diffall script is included in the contrib of the standard git installation.
For versions before v1.7.1...
What is the difference between memoization and dynamic programming?
...elated sub-problems first, typically by filling up an n-dimensional table. Based on the results in the table, the solution to the "top" / original problem is then computed.
If you use memoization to solve the problem you do it by maintaining a map of already solved sub problems. You do it "top down...
How do you track record relations in NoSQL?
...ut the equivalent of foreign keys and indexes in NoSQL KVP or Document databases. Since there are no pivotal tables (to add keys marking a relation between two objects) I am really stumped as to how you would be able to retrieve data in a way that would be useful for normal web pages.
...
What is the difference between RDF and OWL? [closed]
...asFather> <http://example.com/person/charles> .
Triples are database normalization taken to a logical extreme. They have the advantage that you can load triples from many sources into one database with no reconfiguration.
RDF and RDFS
The next layer is RDF - The Resource Description Fra...
How do I tokenize a string in C++?
...
C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though nobody argues that this would be convenient. But what wou...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...ition for your DbContext it will be something like the following:
// DatabaseContext.cs -- This file is auto generated and thus shouldn't be changed.
public partial class [DatabaseContextName] : DbContext { ... }
So, in another file you can create the same definition and override the parts yo...
How to JSON serialize sets?
...de disappeared
updated the call to the parents' default with super()
using base64 to serialize the bytes type into str (because it seems that bytes in python 3 can't be converted to JSON)
from decimal import Decimal
from base64 import b64encode, b64decode
from json import dumps, loads, JSONEncoder...
What is the difference between `after_create` and `after_save` and when to use which?
...
From the docs:
after_create()
Is called after
Base.save on new objects that haven‘t
been saved yet (no record exists).
after_save()
Is called after Base.save
(regardless of whether it‘s a create
or update save).
...
Redirect all to index.php using htaccess
I'm writing a simple PHP-based MVC-ish framework. I want this framework to be able to be installed in any directory.
7 Answ...