key-value

问题 Does anybody know of there's a way to reference the value of a sibling key in a JavaScript object literal? so use the value of target in the beforeNext() function here: obj: { target: 'li.player a.icon-tag', parent: 'ul#drop_list', beforeNext: function(){ target.addClass('bind active'); } } 回答1: This is not a "JSON" object, but a JavaScript Object (or just "Object"). I assume that this is also contained in an Object literal as obj: { by itself is invalid syntax. Anyway, yes you can reference

问题 I have non-unique key-value pairs that I have created using the map function from an RDD Array[String] val kvPairs = myRdd.map(line => (line(0), line(1))) This produces data of format: 1, A 1, A 1, B 2, C I would like to group all of they keys by their values and provide the counts for these values like so: 1, {(A, 2), (B, 1)} 2, {(C, 1)} I have tried many different attempts, but the closest I can get is with something like this: kvPairs.sortByKey().countByValue() This gives 1, (A, 2) 1, (B,

问题 I need a tool similar to cdb (constant database) that would allow me to store large sets of data (in the range of hundreds of gigabytes) in indexed files. CDB is an ideal candidate but it has a 2 GB file size limit so it's not suitable. The functionality I'm looking for is a persistent key-value store supporting binary keys and values. After creating the database is read only and will never be modified. Can you recommend some tool? And btw, storage overhead should be small because I will be

问题 Assume a one-line string with multiple consecutive key-value pairs, separated by a space, but with space allowed also within values (not in keys), e.g. key1=one two three key2=four key3=five six key4=seven eight nine ten Correctly extracting the key-value pairs from above would produce the following mappings: "key1", "one two" "key2", "four" "key3", "five six" "key4", "seven eight nine ten" where "keyX" can be any sequence of characters, excluding space. Trying something simple, like ([^=]+=[

问题 I've been using Redis for a while as a backend for Resque and now that I'm looking for a fast way to perform intersect operation on large sets of data, I decided to give Redis a shot. I've been conducting the following test: — x , y and z are Redis sets, they all contain approx. 1 million members (random integers taken from a seed array containing 3M+ members). — I want to intersect x y and z , so I'm using sintersectstore (to avoid overheating caused by data retrieval from the server to the

问题 I'm getting an "Illegal offset type" for this array: public static $CATS_AND_TYPES = array( // Statement Administration array( self::CAT_STATEMENT_ADMIN => "Document Administration" ) => array( self::TYPE_STATEMENTS_LOADED => "Documents Loaded", self::TYPE_STATEMENTS_REMOVED => "Documents Removed" ), // Cron Jobs array( self::CAT_CRON_JOBS => "Cron Jobs" ) => array( self::TYPE_CRON_BULLETIN_RUN => "Bulletin Cron Job Ran", self::TYPE_CRON_EMAILER_RUN => "Emailer Cron Job Ran", self::TYPE_CRON

问题 Using the Settings.app on the iPhone isn't that hard. In fact Xcode does the most of the work for you. Just add the Settings.bundle to your project and there you have it for nearly no cost. At the moment I'm developing an application for the iPhone which requires the user to fill out several "forms", mostly key-value pairs, some sliders and several modal views with "dropdown" menus. So similar the task is similar to what the Settings.app does. Doing the forms by myself is a heavy task in my

问题 I'm looking for a way to get all the information out of localStorage. The trouble I'm having is I don't know what the data will be as it is user generated. So here what happens, a user inputs some text, it uses javascript to manipulate it depending on what check boxes they have ticked on the input form. these boxes are for symbols for example if they tick the box for @ then the text + the @At (symbol then word) will be placed in local storage with the other half of the pair as a Boolean (1 or

问题 $lang = array( 'thank you'=>'You are welcome', 'thanks'=>'You are welcome', 'thank ya'=>'You are welcome' ); As you can see this is going to get tiresome writing multiple keys for the same value is there any way I can do. $lang['thanks']=>$lang['thank ya']=>$lang['thank you'] Just trying to save myself some time here from rewriting a hundred times PHP class function: function fetch_key($key, $l,$bool){ $dynamic = new l18n; if($bool == true or is_null($bool)){ return addslashes( $dynamic-

问题 $lang = array( 'thank you'=>'You are welcome', 'thanks'=>'You are welcome', 'thank ya'=>'You are welcome' ); As you can see this is going to get tiresome writing multiple keys for the same value is there any way I can do. $lang['thanks']=>$lang['thank ya']=>$lang['thank you'] Just trying to save myself some time here from rewriting a hundred times PHP class function: function fetch_key($key, $l,$bool){ $dynamic = new l18n; if($bool == true or is_null($bool)){ return addslashes( $dynamic-