key-value

How to split a string into a map, grouping values by duplicate keys using streams?

北城余情 提交于 2021-02-19 07:24:27
问题 I want to convert the following String flString="view1:filedname11,view1:filedname12,view2:fieldname21"; to a Map<String,Set<String>> to get the key/value as below: view1=[filedname11,filedname12] view2=[fieldname21] I want to use Java 8 streams. I tried Arrays.stream(tokens) .map(a -> a.split(":")) .collect(Collectors.groupingBy( a -> a[0], Collectors.toList())); However the keys are also getting added to the value list. 回答1: You should use a Collectors::mapping to map the array to an

What is the best VBA data type`key`=>`value` to save data same as PHP array

让人想犯罪 __ 提交于 2021-02-17 21:31:41
问题 I'm working with VBA and need to save data in type key => value to getting fastest; This data type help me cache responese text from http request, increase query speed. But I don't know what is the best way to do it? I need a data type same as php array with key=>value ! Thank for help! 回答1: Have you looked at dictionary object? It's available as part of the Microsoft Scripting Runtime. A clear example of how to add this is given by this SO answer. Sub DictExample1() Dim dict As Dictionary

What is the best VBA data type`key`=>`value` to save data same as PHP array

六月ゝ 毕业季﹏ 提交于 2021-02-17 21:31:34
问题 I'm working with VBA and need to save data in type key => value to getting fastest; This data type help me cache responese text from http request, increase query speed. But I don't know what is the best way to do it? I need a data type same as php array with key=>value ! Thank for help! 回答1: Have you looked at dictionary object? It's available as part of the Microsoft Scripting Runtime. A clear example of how to add this is given by this SO answer. Sub DictExample1() Dim dict As Dictionary

fetch key value pairs from array objects in sql BigQuery

牧云@^-^@ 提交于 2021-02-11 12:54:47
问题 I need to parse the column mapping and fetch the key value pairs from the second object in array. I would like to create new columns with the fetched data. The data looks like this: row mapping 1 [{'adUnitCode': ca, 'id': 35, 'name': ca}, {'adUnitCode': hd, 'id': 11, 'name': HD}] 2 [{'adUnitCode': bb, 'id': 56, 'name': jk}, {'adUnitCode': hm, 'id': 12, 'name': HM}] 3 [{'adUnitCode': gh, 'id': 78, 'name': ff}, {'adUnitCode': hk, 'id': 13, 'name': HK}] The desired output: row adUnitCode id name

How to extract a value from a JSON string by key

心不动则不痛 提交于 2021-02-08 17:25:20
问题 I have a column which has Json string records. I want to parse the json and fetch the value of a particular key from within the select statement. Sample JSON {"kofaxDocId":"8ae16f46-c68f-11e5-8105-0e15fb39b661","systemDocType":"Loan Application","requestId":"c770a940-b9f3-4c41-aee6-3e08c1470ec6","docType":"Loan Application","confidence":0.6499999761581421,"engineType":"kofax","completionStatus":"Suggested"} I want my select query to fetch only the value of the key "confidence". I tried using

How to extract a value from a JSON string by key

我们两清 提交于 2021-02-08 17:24:35
问题 I have a column which has Json string records. I want to parse the json and fetch the value of a particular key from within the select statement. Sample JSON {"kofaxDocId":"8ae16f46-c68f-11e5-8105-0e15fb39b661","systemDocType":"Loan Application","requestId":"c770a940-b9f3-4c41-aee6-3e08c1470ec6","docType":"Loan Application","confidence":0.6499999761581421,"engineType":"kofax","completionStatus":"Suggested"} I want my select query to fetch only the value of the key "confidence". I tried using

Get Value from Key Value array

北城以北 提交于 2021-02-08 08:14:08
问题 I have an array with key value pairs. var array=[ {Key:"Name",Value:"Sam" }, {Key:"Marks",Value:"50"}, {Key:"Subject",Value:"English"}, ]; I want to push Value of object whose Key is 'Subject' into a variable. I tried to see how Value can be accessed but failed at the very first step. How can this be done? for (var key in array[0]) { console.log(key[i].Value); //error: Cannot read property 'Value' of undefined } How can I push Value of object whose Key is 'Subject' into a variable? 回答1: Your

Get Value from Key Value array

﹥>﹥吖頭↗ 提交于 2021-02-08 08:13:33
问题 I have an array with key value pairs. var array=[ {Key:"Name",Value:"Sam" }, {Key:"Marks",Value:"50"}, {Key:"Subject",Value:"English"}, ]; I want to push Value of object whose Key is 'Subject' into a variable. I tried to see how Value can be accessed but failed at the very first step. How can this be done? for (var key in array[0]) { console.log(key[i].Value); //error: Cannot read property 'Value' of undefined } How can I push Value of object whose Key is 'Subject' into a variable? 回答1: Your

Get Value from Key Value array

假如想象 提交于 2021-02-08 08:10:39
问题 I have an array with key value pairs. var array=[ {Key:"Name",Value:"Sam" }, {Key:"Marks",Value:"50"}, {Key:"Subject",Value:"English"}, ]; I want to push Value of object whose Key is 'Subject' into a variable. I tried to see how Value can be accessed but failed at the very first step. How can this be done? for (var key in array[0]) { console.log(key[i].Value); //error: Cannot read property 'Value' of undefined } How can I push Value of object whose Key is 'Subject' into a variable? 回答1: Your

Regular expression (extract key/value pairs)

半腔热情 提交于 2021-01-28 18:33:31
问题 I'm trying to extract a list (match) of key/value pairs from a string. Ex : PATH_1:"/", PATH_2:"/OtherPath", TODAY:"2016-06-27",XYZ :"1234" This should give : Key Value PATH_1 / PATH_2 /OtherPath TODAY 2016-06-27 XYZ 1234 Here is what I have so far as regex : ((?:"[^"]*"|[^:,])*):((?:"[^"]*"|[^:,])*) This is well working except that when I'm adding a path having a '\'. Ex : PATH_1:"c:\", PATH_2:"c:\OtherPath", TODAY:"2016-06-27" I don't know how to instruct to regex expression to jump over