Tag: key

1256 How to efficiently count the number of keys/properties of an object in JavaScript? 2008-09-24T08:56:21.263

538 Differences between INDEX, PRIMARY, UNIQUE, FULLTEXT in MySQL? 2009-04-02T00:32:30.950

509 How to update a value, given a key in a java hashmap? 2010-11-11T18:34:01.397

435 How to detect escape key press with pure JS or jQuery? 2010-07-30T07:54:18.143

385 Add private key permanently with ssh-add on Ubuntu 2010-08-12T10:13:38.130

216 Is the primary key automatically indexed in MySQL? 2009-07-01T20:21:26.560

201 SQL keys, MUL vs PRI vs UNI 2011-03-15T20:51:01.340

192 JavaScript: Object Rename Key 2011-01-10T14:29:21.127

186 How to find keys of a hash? 2008-08-20T21:35:59.257

167 Get the new record primary key ID from mysql insert query? 2013-06-14T16:10:37.877

156 How can I get dictionary key as variable directly in Python (not by searching from value)? 2010-08-23T07:01:32.713

155 Surrogate vs. natural/business keys 2008-09-15T13:55:44.687

153 How to print a dictionary's key? 2011-05-05T22:51:16.803

150 How do you test a public/private DSA keypair? 2008-11-08T09:36:32.477

147 how do I make a composite key with SQL Server Management Studio? 2009-10-09T19:09:03.807

143 What are differences between using INDEX v.s. KEY in MySQL 2009-09-09T19:26:23.813

137 How can i tell if an object has a key value observer attached 2009-10-17T15:00:12.677

129 Python dictionary: Get list of values for list of keys 2013-08-26T21:45:38.043

120 SSH Key: “Permissions 0644 for 'id_rsa.pub' are too open.” on mac 2015-04-29T03:40:47.177

118 Get HTML5 localStorage keys 2011-12-07T17:04:00.087

110 What is the difference between DSA and RSA? 2010-05-15T17:41:26.607

110 How to get a random value in python dictionary 2011-02-01T05:37:05.667

107 Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.9.4 or earlier 2012-09-10T14:30:18.353

104 Which characters are valid/invalid in a JSON key name? 2011-12-30T03:58:17.793

104 get all keys set in memcached 2013-10-24T07:56:37.763

101 get dictionary value by key 2012-08-29T00:39:59.370

94 Android EditText delete(backspace) key event 2011-02-03T13:45:12.163

87 How to elegantly rename all keys in a hash in Ruby? 2010-11-09T19:48:32.813

84 Python: Tuples/dictionaries as keys, select, sort 2011-02-02T19:24:11.497

81 How to remove a lua table entry by its key? 2009-11-18T20:51:05.150

81 What is the use of adding a null key or value to a HashMap in Java? 2010-05-31T18:26:06.037

81 PHP Multidimensional Array Searching (Find key by specific value) 2011-11-12T03:01:55.567

80 Search for highest key/index in an array 2011-05-25T14:30:26.643

77 Java AES and using my own Key 2010-08-10T17:24:59.553

77 Characters allowed in php array keys? 2012-05-22T05:17:48.517

71 Accessing dict_keys element by index in Python3 2013-08-31T19:30:57.777

70 How to get array keys in Javascript? 2010-03-24T16:26:26.690

69 Looking for ALT+LeftArrowKey solution in zsh 2012-09-12T06:41:08.020

67 Class is not key value coding-compliant 2010-09-21T13:33:50.920

66 SSL: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch 2014-10-04T09:30:03.493

65 What requirements must std::map key classes meet to be valid keys? 2011-07-04T15:09:46.703

63 How to print all key and values from HashMap in Android? 2012-01-18T12:05:41.327

62 How to check if multiple array keys exists 2012-11-01T01:00:31.493

61 What is the max key size for an array in PHP? 2009-01-21T21:43:45.557

60 How to Generate Unique Public and Private Key via RSA 2009-08-20T16:03:33.060

60 Google map signed api key errors in Android 2011-09-03T23:28:15.567

58 Easiest way to check for an index or a key in an array? 2012-11-04T14:57:04.413

57 php: how to get associative array key from numeric index? 2010-11-04T10:36:52.793

57 android: Softkeyboard perform action when Done key is pressed 2011-09-28T13:32:01.457

56 Is there any way to use a numeric type as an object key? 2010-09-03T05:58:33.933

53 Is there a Unicode glyph that looks like a "key" icon? 2009-09-05T22:11:33.857

53 What's the difference between Ctrl+C and Ctrl+[? 2011-02-17T14:23:36.197

52 How can I use the paid version of my app as a "key" to the free version? 2010-06-17T15:13:17.547

49 MongoDB - Multiple $or operations 2011-03-01T03:04:15.493

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

48 Is there a class like Dictionary<> in C#, but for just keys, no values? 2010-03-06T00:25:14.070

48 PHP: Get key from array? 2010-07-23T11:54:49.207

47 iterating through Enumeration of hastable keys throws NoSuchElementException error 2011-08-23T11:50:18.247

47 Are mutable hashmap keys a dangerous practice? 2011-10-20T20:48:12.313

47 Manage Google Maps API Key with Gradle in Android Studio 2014-09-30T15:13:33.553

46 python JSON only get keys in first level 2013-04-03T13:44:17.260

46 Initializing a dictionary in python with a key value and no corresponding values 2013-11-19T18:53:25.640

45 KeyboardEvent.keyCode deprecated. What does this mean in practice? 2016-02-14T17:40:49.760

43 Can i sort the NSDictionary on basis of key in Objective-C? 2010-08-27T09:50:31.607

43 How to add multiple values to a dictionary key in python? 2013-12-14T17:06:27.007

42 Android: Programmatically detect if device has hardware menu button 2012-01-28T11:28:54.103

41 Is it reasonable to use None as a dictionary key in Python? 2011-08-11T17:09:49.363

41 How to remove duplicates based on a key in Mongodb? 2012-11-02T06:24:38.483

40 Android: automatically choose debug/release Maps api key? 2010-06-12T19:16:58.803

40 Android: automatically choose debug/release Maps v2 api key? 2013-06-17T05:40:05.137

39 How to modify key in a dictionary in C# 2009-12-21T02:17:21.620

39 Group hashes by keys and sum the values 2010-12-15T18:30:05.413

39 Private key length bytes 2011-03-23T10:27:20.510

39 Is there a better PHP way for getting default value by key from array (dictionary)? 2011-07-14T16:09:37.343

39 ssh-keygen' is not recognized as an internal or external command 2012-04-13T18:33:18.807

39 Python method for reading keypress? 2012-08-29T10:33:09.367

38 Android edittext key return goes to next text 2011-02-15T01:33:01.067

38 How to generate Key Hash for facebook SDK In Mac 2011-07-12T09:25:31.210

36 Return first key of associative array in PHP 2011-07-14T18:52:03.373

36 How do I manually change the key labels in a legend in ggplot2 2011-09-06T16:31:54.890

36 Relations on composite keys using sqlalchemy 2011-09-21T18:27:28.437

36 Javascript HashTable use Object key 2012-06-05T05:59:18.327

36 How to iterate through table in Lua? 2013-07-02T22:37:01.047

35 Simple, secure API authentication system 2009-05-11T04:56:31.043

35 switching keys and values in a dictionary in python 2011-11-29T03:36:47.240

35 Remove blacklist keys from array in PHP 2012-06-14T04:45:33.823

34 C++ STL map::erase a non-existing key 2009-03-30T01:20:41.370

34 Cannot recover key 2013-01-30T14:52:53.380

34 There are no primary or candidate keys in the referenced table that match the referencing column list in the foreign key 2013-07-26T11:04:57.803

34 std::map, how to sort by value, then by key 2013-11-07T17:01:02.893

33 Are UNIQUE indices case sensitive in MySQL? 2009-01-21T01:06:41.450

33 how to fetch array keys with jQuery? 2009-08-10T10:49:07.673

33 Differences between key, superkey, minimal superkey, candidate key and primary key 2011-08-05T03:24:40.620

32 Find array value using key 2010-06-04T00:34:34.297

32 Android - Key Dispatching Timed Out 2010-08-12T11:39:39.207

32 arrow keys are not functional in sqlplus 2012-03-27T13:37:29.607

32 What is key=lambda 2012-12-02T12:24:41.633

32 C++ Hash function for string in unordered_map 2013-03-24T06:25:59.150

31 PHP API Key Generator 2009-09-19T12:22:36.260