json

问题 have trouble in LocalDateTime(Java 8) Formatting in Spring MVC framework my VO is like under code in mySQL w_date field is DATETIME and recode like "2015-12-25 23:18:22" public class HistoryBoard { @JsonFormat(pattern="yyyy-MM-dd") @DateTimeFormat(iso = DateTimeFormat.ISO.TIME) private LocalDateTime w_date; public LocalDateTime getW_date() { return w_date; } public HistoryBoard setW_date(String w_date) { DateTimeFormatter sdf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.S"); this.w_date

问题 have trouble in LocalDateTime(Java 8) Formatting in Spring MVC framework my VO is like under code in mySQL w_date field is DATETIME and recode like "2015-12-25 23:18:22" public class HistoryBoard { @JsonFormat(pattern="yyyy-MM-dd") @DateTimeFormat(iso = DateTimeFormat.ISO.TIME) private LocalDateTime w_date; public LocalDateTime getW_date() { return w_date; } public HistoryBoard setW_date(String w_date) { DateTimeFormatter sdf = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.S"); this.w_date

问题 I am using tensorflow serving to deploy my model . my tensorinfo map is saved_model_cli show --dir /export/1/ --tag_set serve --signature_def serving_default The given SavedModel SignatureDef contains the following input(s): inputs['length_0'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default_length_0:0 inputs['length_1'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default_length_1:0 inputs['length_2'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default

问题 I am using tensorflow serving to deploy my model . my tensorinfo map is saved_model_cli show --dir /export/1/ --tag_set serve --signature_def serving_default The given SavedModel SignatureDef contains the following input(s): inputs['length_0'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default_length_0:0 inputs['length_1'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default_length_1:0 inputs['length_2'] tensor_info: dtype: DT_INT32 shape: (-1) name: serving_default

问题 I am trying to parse Json string into Java object using Gson library but i encountered StackoverflowException. java.lang.StackOverflowError com.google.gson.internal.$Gson$Types.checkNotPrimitive($Gson$Types.java:431) com.google.gson.internal.$Gson$Types.access$000($Gson$Types.java:42) com.google.gson.internal.$Gson$Types$WildcardTypeImpl.($Gson$Types.java:540) com.google.gson.internal.$Gson$Types.canonicalize($Gson$Types.java:108) com.google.gson.internal.$Gson$Types$WildcardTypeImpl.($Gson

问题 I am trying to parse Json string into Java object using Gson library but i encountered StackoverflowException. java.lang.StackOverflowError com.google.gson.internal.$Gson$Types.checkNotPrimitive($Gson$Types.java:431) com.google.gson.internal.$Gson$Types.access$000($Gson$Types.java:42) com.google.gson.internal.$Gson$Types$WildcardTypeImpl.($Gson$Types.java:540) com.google.gson.internal.$Gson$Types.canonicalize($Gson$Types.java:108) com.google.gson.internal.$Gson$Types$WildcardTypeImpl.($Gson

问题 This is my JSON Object { "master": { "node": "xyz", "files": [{"type": "modified", "file": "test.txt"}] }, "testbranch2": { "node": "abc", "files": [{"type": "modified", "file": "test.txt"}] }, "testbranch": { "node": "xxx", "files": [{"type": "modified", "file": "test.txt"}], } } I need only the object key names, like "master", "testbranch2","testbranch. How do I fetch only the object key names using groovy? 回答1: You can use JsonSlurper import groovy.json.JsonSlurper def json = '{ "master":

问题 This is my JSON Object { "master": { "node": "xyz", "files": [{"type": "modified", "file": "test.txt"}] }, "testbranch2": { "node": "abc", "files": [{"type": "modified", "file": "test.txt"}] }, "testbranch": { "node": "xxx", "files": [{"type": "modified", "file": "test.txt"}], } } I need only the object key names, like "master", "testbranch2","testbranch. How do I fetch only the object key names using groovy? 回答1: You can use JsonSlurper import groovy.json.JsonSlurper def json = '{ "master":

问题 By default, Jackson is using java.util.ArrayList to deserialise a JSON array. Instead of this, I want to use a custom implementation. For example, Guava ImmutableList if value is present, or Collection.emptyList() if JSON array is empty or null. I want to configure this globally for ObjectMapper . Is there an easy way to do this? PS: My Jackson version is 2.9.7 回答1: General solution is to use custom module. You can define classes you would like to use for collections. For Guava there is a

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