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Questions tagged dictionary

423 questions · page 1 of 9

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12
votes
5
answers

Why does setting an element of a map to its size increments the size *before* assigning it?

c++ dictionary assignment-operator
asked 2013-08-04T05:37:28.550
9
votes
3
answers

replace dictionary keys (strings) in Python

python dictionary
asked 2013-07-29T20:04:31.870
10
votes
2
answers

Serialize a dictionary containing pandas data-frames (Python)

python serialization dictionary pandas dataframe
asked 2013-07-28T10:50:59.737
38
votes
9
answers

Get index of element in C++ map

c++ dictionary indexing std
asked 2013-07-25T15:58:59.103
12
votes
1
answers

Accessing boost fusion map field name

c++ dictionary boost-fusion
asked 2013-07-24T13:38:14.337
102
votes
9
answers

Remove key from dictionary in Python returning new dictionary

python methods dictionary
asked 2013-07-15T23:50:00.430
10
votes
4
answers

enum case handling - better to use a switch or a dictionary?

c# dictionary enums switch-statement
asked 2013-07-12T00:09:10.557
9
votes
3
answers

Python3: Conditional extraction of keys from a dictionary with comprehension

python dictionary python-3.x dictionary-comprehension
asked 2013-07-11T00:37:17.713
11
votes
4
answers

Accessing a pair after moving it into a map

c++ c++11 dictionary move-semantics std-pair
asked 2013-07-09T15:27:52.553
10
votes
3
answers

Using object as key in dictionary in Python - Hash function

python object dictionary key
asked 2013-07-03T08:19:51.053
41
votes
2
answers

How to find a value in a list of python dictionaries?

python list dictionary
asked 2013-06-17T14:06:20.603
425
votes
4
answers

What is the right way to treat Python argparse.Namespace() as a dictionary?

python dictionary duck-typing
asked 2013-06-01T23:33:56.640
14
votes
2
answers

Is there a better way to store a twoway dictionary than storing its inverse separate?

python dictionary
asked 2013-05-28T13:36:50.817
8
votes
2
answers

why both transform and map methods in scala?

scala dictionary lazy-evaluation
asked 2013-05-24T14:18:54.463
90
votes
6
answers

python: iterate over dictionary sorted by key

python sorting dictionary
asked 2013-05-23T09:23:12.767
19
votes
2
answers

return output of dictionary to alphabetical order

python dictionary alphabetical
asked 2013-05-17T01:44:04.660
89
votes
7
answers

LeafletJS: How to remove the zoom control

javascript dictionary leaflet mapbox
asked 2013-05-14T07:23:41.247
10
votes
1
answers

Adding to a dict using a list of key strings as path

python dictionary path key
asked 2013-04-30T12:46:59.660
9
votes
3
answers

C++ std::map<std::string, int> get values whose key starts with a particular string

c++ dictionary
asked 2013-04-28T12:52:08.637
14
votes
2
answers

Zip two HashMaps(or dictionaries)

scala dictionary functional-programming
asked 2013-04-28T00:13:20.717
16
votes
2
answers

C++ Serialize/Deserialize std::map<int,int> from/to file

c++ serialization dictionary
asked 2013-04-18T06:28:20.040
20
votes
6
answers

python: what is best way to check multiple keys exists in a dictionary?

python dictionary
asked 2013-04-14T21:34:45.603
8
votes
3
answers

Delete memory of std::map<int, string> completely

c++ dictionary stl free
asked 2013-04-10T11:24:00.450
11
votes
1
answers

What's the idiomatic way to map vector according to the longest seq in clojure?

dictionary vector clojure
asked 2013-04-02T16:38:34.613
15
votes
2
answers

retrieve random key element for std::map in c++

c++ dictionary std
asked 2013-03-15T05:31:57.010
17
votes
2
answers

Why there is a plus sign before this type?

types dictionary ocaml
asked 2013-03-09T00:07:33.273
30
votes
2
answers

How can I make a list of dictionaries according to the Cartesian product of values in a source dictionary ("explode" the dictionary)?

python dictionary cartesian-product
asked 2013-03-04T21:34:23.727
94
votes
9
answers

Simple dictionary in C++

c++ dictionary
asked 2013-03-01T05:56:52.617
57
votes
4
answers

Accessing dictionary value by index in python

python dictionary indexing
asked 2013-02-27T14:41:57.707
54
votes
5
answers

Convert unicode string dictionary into dictionary in python

python unicode dictionary
asked 2013-02-19T05:10:47.790
9
votes
2
answers

Passing pointers to Maps in Golang

pointers dictionary go
asked 2013-02-18T02:57:21.057
45
votes
8
answers

Convert string representing key-value pairs to Map

java dictionary
asked 2013-02-08T08:05:14.223
101
votes
5
answers

Confused with the for-comprehension to flatMap/Map transformation

scala dictionary monads for-comprehension
asked 2013-01-30T07:49:35.360
50
votes
6
answers

Implications of using "auto" to iterate over a C++ std::map data structure

c++ dictionary c++11 auto
asked 2013-01-28T05:06:18.360
542
votes
9
answers

Python Dictionary Comprehension

python dictionary list-comprehension
asked 2013-01-24T17:51:45.747
16
votes
5
answers

Python unittest - asserting dictionary with lists

python unit-testing dictionary assert
asked 2013-01-23T23:13:34.207
11
votes
6
answers

What is the most efficient std container for non-duplicated items?

c++ dictionary vector set containers
asked 2013-01-22T23:12:27.090
13
votes
2
answers

How do I create an empty immutable Scala map in Java?

java scala dictionary immutability
asked 2013-01-16T18:18:56.010
53
votes
2
answers

Global dictionaries don't need keyword global to modify them?

python dictionary scope global-variables global
asked 2013-01-14T17:51:26.967
21
votes
9
answers

Efficient way to find if map contains any of the keys from a list/iterable

java arrays dictionary iteration
asked 2012-12-28T11:00:21.650
15
votes
5
answers

Finding the key in a map, given the value

groovy dictionary
asked 2012-12-26T18:30:28.787
20
votes
6
answers

Safe cast to hash map

java collections dictionary hashmap
asked 2012-12-18T01:05:39.653
8
votes
6
answers

Check if in dict or try/except which has better performance in python?

python dictionary
asked 2012-12-13T15:02:05.673
16
votes
4
answers

How to make a C++ map container where the key is part of the value?

c++ dictionary stl containers
asked 2012-12-11T20:27:52.000
8
votes
2
answers

lambda function in sorted dictionary list comprehension

python dictionary lambda list-comprehension
asked 2012-12-08T21:11:14.920
398
votes
6
answers

TypeScript Objects as Dictionary types as in C#

arrays object dictionary typescript
asked 2012-11-29T17:41:44.580
24
votes
4
answers

Sort dictionary of dictionaries by value

python dictionary pyqt
asked 2012-11-26T21:03:17.690
10
votes
2
answers

Map with key only - for contains checking

java graph dictionary
asked 2012-11-25T07:32:30.110
15
votes
4
answers

How can I do a conditional collectEntries in groovy

dictionary collections groovy
asked 2012-11-22T18:34:55.810
11
votes
2
answers

Initialize tuple with empty or null values in C#

c# dictionary tuples trygetvalue
asked 2012-11-21T20:35:54.357
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