'Defaultdict' web sites
Scribu development blog. scribu
scribu.net 2013-02-07 ⚑blog
defaultdict In PHP In the little experience I ve had with programming in Python, I ve found the defaultdict class to be one of the most useful. PHP already has a limited version of this feature built in, called autovivification arr array ; arr foo bar 1; print r arr foo ; Result Array bar 1 print r arr baz ; Result Undefined index baz As you can see, it doesn t work when accessing an undefined value; when implicitly setting a
scribu.net 2013-02-07 ⚑blog
defaultdict In PHP In the little experience I ve had with programming in Python, I ve found the defaultdict class to be one of the most useful. PHP already has a limited version of this feature built in, called autovivification arr array ; arr foo bar 1; print r arr foo ; Result Array bar 1 print r arr baz ; Result Undefined index baz As you can see, it doesn t work when accessing an undefined value; when implicitly setting a
Code like a pythonista idiomatic python
python.net 2013-02-16 ⚑blog
defaultdict Building Splitting Dictionaries Testing for Truth Values Truth Values Index Item 1 Index Item 2 enumerate Other languages have variables Python has names Default Parameter Values String Formatting Advanced String Formatting Advanced String Formatting List Comprehensions Generator Expressions 1 Generator Expressions 2 Sorting Sorting with DSU Sorting With Keys Generators Example Generator Reading Lines From Text Data
python.net 2013-02-16 ⚑blog
defaultdict Building Splitting Dictionaries Testing for Truth Values Truth Values Index Item 1 Index Item 2 enumerate Other languages have variables Python has names Default Parameter Values String Formatting Advanced String Formatting Advanced String Formatting List Comprehensions Generator Expressions 1 Generator Expressions 2 Sorting Sorting with DSU Sorting With Keys Generators Example Generator Reading Lines From Text Data
How to write a spelling corrector
norvig.com 2015-04-08
defaultdict lambda 1 for f in features model f 1 return model NWORDS train words file big.txt.read alphabet abcdefghijklmnopqrstuvwxyz def edits1 word splits word i , word i for i in range len word 1 deletes a b 1 for a, b in splits if b transposes a b 1 b 0 b 2 for a, b in splits if len b 1 replaces a c b 1 for a, b in splits for c in alphabet if b inserts a c b for a, b in splits for c in alphabet return set deletes transposes
norvig.com 2015-04-08
defaultdict lambda 1 for f in features model f 1 return model NWORDS train words file big.txt.read alphabet abcdefghijklmnopqrstuvwxyz def edits1 word splits word i , word i for i in range len word 1 deletes a b 1 for a, b in splits if b transposes a b 1 b 0 b 2 for a, b in splits if len b 1 replaces a c b 1 for a, b in splits for c in alphabet if b inserts a c b for a, b in splits for c in alphabet return set deletes transposes
Longest common subsequence
wordaligned.org 2013-02-16 ⚑tech
defaultdict concat.join def lcs xs, ys.. def count lcs calls lcs Return a pair lcs, calls Where lcs. a wrapped version of lcs, which counts up calls calls. a dict mapping arg pairs to the number of times lcs has been called with these args. calls defaultdict int def wrapped xs, ys calls concat xs , concat ys 1 return lcs xs, ys return wrapped, calls lcs, calls count lcs calls lcs If count lcs calls reminds you of a Python
wordaligned.org 2013-02-16 ⚑tech
defaultdict concat.join def lcs xs, ys.. def count lcs calls lcs Return a pair lcs, calls Where lcs. a wrapped version of lcs, which counts up calls calls. a dict mapping arg pairs to the number of times lcs has been called with these args. calls defaultdict int def wrapped xs, ys calls concat xs , concat ys 1 return lcs xs, ys return wrapped, calls lcs, calls count lcs calls lcs If count lcs calls reminds you of a Python
Http://techspot.zzzeek.org/2012/07/07/the-absolutely-simplest-consistent [..]
techspot.zzzeek.org 2013-02-16
defaultdict int for i in xrange numhits key str random.randint 1, numvalues node ring key distributions node 1 count of hits matches what is observed self.assertEquals sum distributions.values , numhits I 39;ve observed standard deviation for 10 nodes 100 replicas to be between 10 and 15. Play around with the number of nodes replicas to see how different tunings work out. standard dev self. pop std dev distributions.values
techspot.zzzeek.org 2013-02-16
defaultdict int for i in xrange numhits key str random.randint 1, numvalues node ring key distributions node 1 count of hits matches what is observed self.assertEquals sum distributions.values , numhits I 39;ve observed standard deviation for 10 nodes 100 replicas to be between 10 and 15. Play around with the number of nodes replicas to see how different tunings work out. standard dev self. pop std dev distributions.values
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Http://techspot.zzzeek.org
defaultdict int for i in xrange numhits key str random.randint 1, numvalues node ring key distributions node 1 count of hits matches what is observed self.assertEquals sum distributions.values , numhits I 39;ve observed standard deviation for 10 nodes 100 replicas to be between 10 and 15. Play around with the number of nodes replicas to see how different tunings work out. standard dev self. pop std dev distributions.values
Arc forum. clarification about character sets
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
Always move fast. the balance of power business and technology
blog.alwaysmovefast.com 2012-06-07 ⚑tech ⚑finance
defaultdict int object so I only have unique keys. I then sort all the keys and write them to disk in the file data keys. Parse Adjacent Pages Links You then need to run values.py to parse each page links and generate a usable link graph. This script starts by loading the data keys file so I can do vertex lookups by page title. Each vertex has an adjacency set because there will be some duplicates and a set is an easy way to
blog.alwaysmovefast.com 2012-06-07 ⚑tech ⚑finance
defaultdict int object so I only have unique keys. I then sort all the keys and write them to disk in the file data keys. Parse Adjacent Pages Links You then need to run values.py to parse each page links and generate a usable link graph. This script starts by loading the data keys file so I can do vertex lookups by page title. Each vertex has an adjacency set because there will be some duplicates and a set is an easy way to
Posts by jacob. streamhacker
streamhacker.com 2016-01-09
defaultdict one of my favorite Python data structures which provides most of the previous functionality for free. WordNet API NLTK 3 has changed many wordnet Synset attributes to methods syn.definition. syn.definition syn.examples. syn.examples syn.lemmas. syn.lemmas syn.name. syn.name syn.pos. syn.pos Same goes for the Lemma class. For example, lemma.antonyms is now a method. Tagging The batch tag method is now tag sents. The
streamhacker.com 2016-01-09
defaultdict one of my favorite Python data structures which provides most of the previous functionality for free. WordNet API NLTK 3 has changed many wordnet Synset attributes to methods syn.definition. syn.definition syn.examples. syn.examples syn.lemmas. syn.lemmas syn.name. syn.name syn.pos. syn.pos Same goes for the Lemma class. For example, lemma.antonyms is now a method. Tagging The batch tag method is now tag sents. The
Pregel. ddi
www.michaelnielsen.org 2015-04-08 ⚑blog ⚑r&d
defaultdict list for vertex in self.vertices partition self.worker vertex.append vertex return partition def worker self,vertex Returns the id of the worker that vertex is assigned to. return hash vertex self.num workers def superstep self Completes a single superstep. Note that in this implementation, worker threads are spawned, and then destroyed during each superstep. This creation and destruction causes some overhead, and it
www.michaelnielsen.org 2015-04-08 ⚑blog ⚑r&d
defaultdict list for vertex in self.vertices partition self.worker vertex.append vertex return partition def worker self,vertex Returns the id of the worker that vertex is assigned to. return hash vertex self.num workers def superstep self Completes a single superstep. Note that in this implementation, worker threads are spawned, and then destroyed during each superstep. This creation and destruction causes some overhead, and it
Interview programming problems done right c for coding
www.cforcoding.com 2012-02-11 ⚑tech
defaultdict dict def value row, index result values row.get index if result is not None return result if index 0 or index row return 0 if index 0 or index row return 1 result value row.1, index.1 value row.1, index values row index result return result Real time for n 20 is 0.03 seconds. Bonus points if the candidate correctly states this as memorization rather than the more generic caching. Iterative Solution A more common
www.cforcoding.com 2012-02-11 ⚑tech
defaultdict dict def value row, index result values row.get index if result is not None return result if index 0 or index row return 0 if index 0 or index row return 1 result value row.1, index.1 value row.1, index values row index result return result Real time for n 20 is 0.03 seconds. Bonus points if the candidate correctly states this as memorization rather than the more generic caching. Iterative Solution A more common
Scribu development blog. scribu
scribu.net 2013-02-07 ⚑blog
defaultdict In PHP In the little experience I ve had with programming in Python, I ve found the defaultdict class to be one of the most useful. PHP already has a limited version of this feature built in, called autovivification arr array ; arr foo bar 1; print r arr foo ; Result Array bar 1 print r arr baz ; Result Undefined index baz As you can see, it doesn t work when accessing an undefined value; when implicitly setting a
scribu.net 2013-02-07 ⚑blog
defaultdict In PHP In the little experience I ve had with programming in Python, I ve found the defaultdict class to be one of the most useful. PHP already has a limited version of this feature built in, called autovivification arr array ; arr foo bar 1; print r arr foo ; Result Array bar 1 print r arr baz ; Result Undefined index baz As you can see, it doesn t work when accessing an undefined value; when implicitly setting a
Code like a pythonista idiomatic python
python.net 2013-02-16 ⚑blog
defaultdict Building Splitting Dictionaries Testing for Truth Values Truth Values Index Item 1 Index Item 2 enumerate Other languages have variables Python has names Default Parameter Values String Formatting Advanced String Formatting Advanced String Formatting List Comprehensions Generator Expressions 1 Generator Expressions 2 Sorting Sorting with DSU Sorting With Keys Generators Example Generator Reading Lines From Text Data
python.net 2013-02-16 ⚑blog
defaultdict Building Splitting Dictionaries Testing for Truth Values Truth Values Index Item 1 Index Item 2 enumerate Other languages have variables Python has names Default Parameter Values String Formatting Advanced String Formatting Advanced String Formatting List Comprehensions Generator Expressions 1 Generator Expressions 2 Sorting Sorting with DSU Sorting With Keys Generators Example Generator Reading Lines From Text Data
Arc forum. clarification about character sets
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
Pregel. ddi
www.michaelnielsen.org 2015-04-08 ⚑blog ⚑r&d
defaultdict list for vertex in self.vertices partition self.worker vertex.append vertex return partition def worker self,vertex Returns the id of the worker that vertex is assigned to. return hash vertex self.num workers def superstep self Completes a single superstep. Note that in this implementation, worker threads are spawned, and then destroyed during each superstep. This creation and destruction causes some overhead, and it
www.michaelnielsen.org 2015-04-08 ⚑blog ⚑r&d
defaultdict list for vertex in self.vertices partition self.worker vertex.append vertex return partition def worker self,vertex Returns the id of the worker that vertex is assigned to. return hash vertex self.num workers def superstep self Completes a single superstep. Note that in this implementation, worker threads are spawned, and then destroyed during each superstep. This creation and destruction causes some overhead, and it
MORE
ⓘ
Http://techspot.zzzeek.org
defaultdict int for i in xrange numhits key str random.randint 1, numvalues node ring key distributions node 1 count of hits matches what is observed self.assertEquals sum distributions.values , numhits I 39;ve observed standard deviation for 10 nodes 100 replicas to be between 10 and 15. Play around with the number of nodes replicas to see how different tunings work out. standard dev self. pop std dev distributions.values
Arc forum. clarification about character sets
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
arclanguage.org 2012-11-28 ⚑blog ⚑enterprise
defaultdict takes a factory function at construction time.http docs.python.org lib defaultdict .objects.html.12 points by pg 1763 days ago. link That true. Fixing that is one of the top priorities.3 points by ryantmulligan 1763 days ago. link Could you please elaborate on what Arc version is. Personally I don t even understand what your CL code is doing, being a Lisp Newb.5 points by jimbokun 1763 days ago. link incf gethash k
Always move fast. the balance of power business and technology
blog.alwaysmovefast.com 2012-06-07 ⚑tech ⚑finance
defaultdict int object so I only have unique keys. I then sort all the keys and write them to disk in the file data keys. Parse Adjacent Pages Links You then need to run values.py to parse each page links and generate a usable link graph. This script starts by loading the data keys file so I can do vertex lookups by page title. Each vertex has an adjacency set because there will be some duplicates and a set is an easy way to
blog.alwaysmovefast.com 2012-06-07 ⚑tech ⚑finance
defaultdict int object so I only have unique keys. I then sort all the keys and write them to disk in the file data keys. Parse Adjacent Pages Links You then need to run values.py to parse each page links and generate a usable link graph. This script starts by loading the data keys file so I can do vertex lookups by page title. Each vertex has an adjacency set because there will be some duplicates and a set is an easy way to
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