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Rounding a double to turn it into an int (java)
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edited May 25 '13 at 22:59
Drupad Panchal
38333 silver badges1010 bronze badges
answered Apr 1...
Newline in markdown table?
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364
Use <br> to force a line break within a table cell.
Markdown Extra and MultiMarkdown al...
Cluster analysis in R: determine the optimal number of clusters
...inity propagation (AP) clustering, see http://dx.doi.org/10.1126/science.1136800
library(apcluster)
d.apclus <- apcluster(negDistMat(r=2), d)
cat("affinity propogation optimal number of clusters:", length(d.apclus@clusters), "\n")
# 4
heatmap(d.apclus)
plot(d.apclus, d)
Six. Gap Statistic f...
Ruby, remove last N characters from a string?
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13 Answers
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C dynamically growing array
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213
I can use pointers, but I am a bit afraid of using them.
If you need a dynamic array, you can'...
How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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On localhost, how do I pick a free port number?
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231
Do not bind to a specific port, or bind to port 0, e.g. sock.bind(('', 0)). The OS will then p...
Why is GHC so large/big?
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Simon MarlowSimon Marlow
12.5k33 gold badges3939 silver badges3232 bronze badges
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Accessing dict_keys element by index in Python3
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Call list() on the dictionary instead:
keys = list(test)
In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dictionary into a list results in a list of all the keys:
>>> te...
How to determine the longest increasing subsequence using dynamic programming?
...N) = O(N log N)
Now let's do a real example:
Collection of integers:
2 6 3 4 1 2 9 5 8
Steps:
0. S = {} - Initialize S to the empty set
1. S = {2} - New largest LIS
2. S = {2, 6} - New largest LIS
3. S = {2, 3} - Changed 6 to 3
4. S = {2, 3, 4} - New largest LIS
5. S = {1, 3, 4} - Changed 2 to 1...