Tag: lookup

145 How to get the index of an item in a list in a single step? 2013-08-01T13:40:06.050

134 What is the point of Lookup<TKey, TElement>? 2009-09-10T05:20:31.863

125 pandas loc vs. iloc vs. ix vs. at vs. iat? 2015-02-27T04:12:39.900

124 How can I lookup a Java enum from its String value? 2009-07-03T21:29:32.310

79 Function with same name but different signature in derived class 2009-01-04T15:02:59.293

69 Working with dictionaries/lists in R 2010-05-18T14:10:48.210

66 How to do vlookup and fill down (like in Excel) in R? 2013-03-08T21:05:54.077

64 What's an appropriate search/retrieval method for a VERY long list of strings? 2014-03-13T20:16:05.037

63 How to lookup from and insert into a HashMap efficiently? 2015-02-14T04:23:30.290

62 Which is faster, Hash lookup or Binary search? 2008-12-11T16:48:12.290

57 How to get the Country according to a certain IP? 2008-08-04T05:15:35.773

50 Lookup Tables Best Practices: DB Tables... or Enumerations 2009-01-11T19:36:44.143

48 How can I see if a Perl hash already has a certain key? 2009-06-16T19:59:39.473

41 Should I use a C# Dictionary if I only need fast lookup of keys, and values are irrelevant? 2017-03-03T17:14:50.417

39 What is a practical way to model lookup tables in Domain Driven Design (DDD)? 2009-04-30T18:49:19.703

34 Getting keys from a Lookup 2011-04-26T14:23:59.810

31 Fast computing of log2 for 64-bit integers 2012-07-07T15:33:30.330

23 Which is faster to find an item in a hashtable or in a sorted list? 2009-05-18T09:44:50.970

22 What is the relationship between java:comp/env and java:global? 2011-09-17T22:00:13.647

22 Replace values in a dataframe based on lookup table 2016-02-25T19:16:57.930

21 Java hashmaps without the value? 2009-05-13T00:56:42.583

21 Initializing Lookup<int, string> 2010-03-02T22:10:59.893

19 What is the best way to create a whois lookup? 2011-12-27T20:08:09.253

18 In R, What is the difference between df["x"] and df$x 2010-07-30T06:05:19.830

17 A dictionary object that uses ranges of values for keys 2010-01-27T14:18:52.683

17 Tensorflow Dictionary lookup with String tensor 2016-02-10T13:11:57.243

17 MongoDB nested lookup with 3 levels 2016-03-15T18:51:41.987

16 How to implement a dictionary (Trie vs HashTable and important issues)? 2011-01-14T12:42:43.800

16 Java HashSet equiv in c++ 2014-07-09T01:46:28.230

15 LINQ Convert Dictionary to Lookup 2009-09-23T06:07:39.263

15 Is this slower because of two lookups instead of one? 2014-09-20T15:16:27.120

14 Why is Lookup immutable in C#? 2013-02-28T09:46:49.123

14 Calculate (x exponent 0.19029) with low memory using lookup table? 2014-05-05T22:06:13.750

14 JavaScript LHS and RHS Lookup 2016-04-03T09:39:19.643

14 How to convert string to objectId in LocalField for $lookup Mongodb 2017-01-17T04:58:48.607

13 Decision between storing lookup table id's or pure data 2008-12-20T06:35:25.263

13 Fastest way to find an item in a list? 2010-01-16T00:24:42.473

13 Different behavior for qualified and unqualified name lookup for template 2011-12-14T08:18:35.587

13 Enum vs Reference table vs Lookup class 2012-03-15T15:43:33.753

13 MongoDB aggregation with $lookup limit some fields to return from query 2016-02-23T16:57:42.800

12 Reverse DNS lookup in perl 2008-09-17T17:14:01.120

12 Many to many lookups in Django 2009-08-23T11:41:29.067

12 Create sine lookup table in C++ 2010-09-10T21:57:09.307

12 C# System.Linq.Lookup Class Removing and Adding values 2010-10-27T07:44:36.467

12 Pandas lookup, mapping one column in a dataframe to another in a different dataframe 2014-09-01T18:24:14.163

11 Is there a publicly available list of the US States in machine readable form? 2009-01-31T13:23:13.923

11 Dictionary data structure in R 2010-09-17T16:32:57.930

11 is locking necessary for Dictionary lookup? 2010-10-22T19:38:46.357

11 What is the proper way to track indexes in python? 2011-08-29T17:29:02.177

11 Sharepoint LookUp field on Choice field? 2011-09-23T05:53:14.547

11 ToLookup with multiple keys 2012-05-29T16:33:51.650

11 SharePoint: Lookup a Lookup Column in a List 2012-10-04T23:59:43.603

11 Making a grid-like data type in haskell 2013-04-08T08:19:46.887

11 Interpolating data from a look up table 2015-04-30T17:26:01.123

11 Efficient lookup by common words 2016-10-20T01:09:51.223

10 Find-or-insert with only one lookup in c# dictionary 2011-06-20T09:03:44.367

10 How do I convert a Dictionary to a Lookup? 2012-05-02T19:18:25.083

10 Dynamically build call for lookup multiple columns 2015-05-26T20:39:18.757

10 FAST unique combinations (from list with duplicates) WITHOUT LOOKUPS 2017-04-07T16:47:36.900

9 What makes table lookups so cheap? 2011-09-02T17:30:08.470

9 How to check if an element exists in a Python array (Equivalent of PHP in_array)? 2013-02-07T03:43:53.103

9 Is there a clean test for a dictionary element in Python? 2017-01-09T17:35:37.270

9 iTunes lookup API return old data in my APP 2017-04-05T09:11:32.860

8 Very low cost hash function 2009-01-16T21:53:08.570

8 Getting a full copy of the WHOIS database 2010-12-17T07:49:43.793

8 Looking up book title with ISBN 2011-08-25T21:03:51.547

8 Mongodb - regex match of keys for subdocuments 2011-09-02T01:31:26.120

8 Approximate lookup in R 2011-10-09T12:38:24.867

8 Converting Lookup<TKey, TElement> into other data structures c# 2012-07-08T13:07:41.253

8 SQL/SSIS DataWareHouse Fact table loading, best practices? 2012-11-01T01:04:18.467

8 Speeding up array lookup after traversing? 2012-12-27T12:16:59.577

8 What is the best way to match substring from a big string to a huge list of keywords 2013-11-26T07:55:49.000

8 Can I increase lookup speed by positioning properties in object? 2014-02-03T21:39:11.003

8 If Mongo $lookup is a left outer join, then how come it excludes non-matching documents? 2016-09-13T22:26:04.160

8 How to check a dataframe consisting of a list of strings against a lookup dataframe and perform calculations? 2018-06-27T15:22:21.353

7 How can I get SSIS Lookup transformation to ignore alphabetical case? 2009-05-11T19:52:52.993

7 What Http code should i return for "Thing not found"? 2009-06-22T13:47:14.903

7 What is the Fastest Way to Check for a Keyword in a List of Keywords in Delphi? 2010-01-23T23:54:15.653

7 How can I extract ArrayList from HashMap and loop through it in Java? 2010-08-09T21:50:49.310

7 Get value from C# lookup 2011-12-13T12:45:21.853

7 Django filter() lookup type documentation 2012-06-03T19:25:22.463

7 How to look up range from set of contiguous ranges for given number 2014-07-28T20:40:52.953

7 Checking if Date is Between two Dates in R 2015-07-11T04:58:15.123

7 How to perform "Lookup" operation on Spark dataframes given multiple conditions 2016-03-01T09:40:13.327

7 Effectively searching through entire 1 level nested JSONB in Postgres 2016-04-27T16:55:19.597

7 Python Pandas Match Vlookup columns based on header values 2017-07-19T17:44:00.087

6 Algorithm/steps to find Longest Prefix search in Patricia Trie 2009-05-26T18:07:35.957

6 most efficient data structure for a read-only list of strings (about 100,000) with fast prefix search 2009-07-15T12:04:42.273

6 What algorithms do DNS servers use for faster lookups? 2009-10-18T16:51:38.017

6 Getting JSON Key from Value or Inverting JSON Data 2009-12-28T16:09:40.010

6 Speed of looking up .NET Dictionary value by key? 2010-08-19T12:09:28.243

6 Lookup table for unhashable in Python 2010-12-16T15:00:20.960

6 Excel lookup vector based on another formula 2011-05-24T14:30:40.490

6 Fast lookup of List<T> 2011-06-21T22:40:13.767

6 Optimization Headache - removing if's from Look Up Table 2011-09-12T13:34:54.287

6 Storing a list of 1 million key value pairs in python 2012-01-19T09:01:37.640

6 Is there a way to get an item from a set in O(1) time? 2012-04-30T12:42:43.200

6 Javascript: Quickly lookup value in object (like we can with properties) 2012-06-11T04:25:55.253

6 Using a List, Lookup or Dictionary for a large list of data 2012-07-22T06:18:14.787