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Is there a benefit to defining a class inside another class in Python?
What I'm talking about here are nested classes. Essentially, I have two classes that I'm modeling. A DownloadManager class and a DownloadThread class. The obvious OOP concept here is composition. However, composition doesn't necessarily mean nesting, right?
...
Rails formatting date
...00..99)
%m - Month of the year, zero-padded (01..12)
%_m blank-padded ( 1..12)
%-m no-padded (1..12)
%B - The full month name (``January'')
%^B uppercased (``JANUARY'')
%b - The abbreviated month name (``Jan'')
%^b uppercased (``JAN'')
%h - Equiva...
What is the difference between trie and radix trie data structures?
...u have the words hello, hat and have. To store them in a trie, it would look like:
e - l - l - o
/
h - a - t
\
v - e
And you need nine nodes. I have placed the letters in the nodes, but in fact they label the edges.
In a radix tree, you will have:
*
/
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AssertContains on strings in jUnit
...(x, CoreMatchers.containsString("foo"));
With some static imports, it looks a lot better:
assertThat(x, containsString("foo"));
The static imports needed would be:
import static org.junit.Assert.assertThat;
import static org.hamcrest.CoreMatchers.containsString;
...
how to draw directed graphs using networkx in python?
...ully fleshed out example with arrows for only the red edges:
import networkx as nx
import matplotlib.pyplot as plt
G = nx.DiGraph()
G.add_edges_from(
[('A', 'B'), ('A', 'C'), ('D', 'B'), ('E', 'C'), ('E', 'F'),
('B', 'H'), ('B', 'G'), ('B', 'F'), ('C', 'G')])
val_map = {'A': 1.0,
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string c_str() vs. data()
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Aaron McDaid
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answered Oct 11 '08 at 21:01
Scott LanghamScott L...
Is there a splice method for strings?
The Javascript splice only works with arrays. Is there similar method for strings? Or should I create my own custom function?
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Python, compute list difference
...
phihagphihag
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...
Fatal error: Maximum execution time of 30 seconds exceeded
...ht be endless. If it is not, you could extend the maximum execution time like this:
ini_set('max_execution_time', 300); //300 seconds = 5 minutes
and
set_time_limit(300);
can be used to temporarily extend the time limit.
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Can't find the PostgreSQL client library (libpq)
... I tried the MacPorts install but that didn't go well so I did the one-click DMG install. That seemed to work.
16 Answers
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