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In Javascript, how to conditionally add a member to an object?
I would like to create an object with a member added conditionally.
The simple approach is:
22 Answers
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How can I add the sqlite3 module to Python?
Can someone tell me how to install the sqlite3 module alongside the most recent version of Python?
I am using a Macbook, and on the command line, I tried:
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How to round up the result of integer division?
...ause it only uses it once, you don't need to store the recordsPerPage specially if it comes from an expensive function to fetch the value from a config file or something.
I.e. this might be inefficient, if config.fetch_value used a database lookup or something:
int pageCount = (records + config.f...
Iterating over every two elements in a list
... y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def grouped(iterable, n):
"s -> (s0,s1,s2,...sn-1), (sn,sn+1,sn+2,...s2n-1), (s2n,s2n+1,s2n+2,...s3n-1), ..."
return izip(*[iter(iterable)]*n)
for x, y in grouped(l, 2):
print...
Getting mouse position in c#
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RichieHindleRichieHindle
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Prevent strace from abbreviating arguments?
... which specifies the maximum length of a string to display (the default is 32).
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Best Way to read rss feed in .net Using C#
...om/feeds/posts/default?alt=rss" for RSS 2.0. The SyndicationItem item has all the item properties you'll need. Just examine the object in the Visual Studio debugger and be illuminated.
– secretwep
Oct 29 '13 at 3:40
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Why is std::map implemented as a red-black tree?
...1) or O(log n) because the main operation is already O(log n). even after all the slightly extra work that AVL trees do results in a more tightly balanced tree which leads to slightly faster lookups. so it is a perfectly valid tradeoff and does not make AVL trees inferior to red-black trees.
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
...st rules of thumb; you'll probably need to experiment.
Another issue is parallelism: if you want to parallelize BFS you would need a shared datastructure between threads, which is a bad thing. DFS might be easier to distribute even between connected machines if you don't insist on the exact order of...
SQLite string contains other string query
...er such as %.
– Sam
May 24 '13 at 1:32
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if "cats" is a field from an other table, you could use...