https://jekalmin.tistory.com/entry/Gson%EC%9D%84-%EC%9D%B4%EC%9A%A9%ED%95%9C-json%EC%9D%84-%EA%B0%9D%EC%B2%B4%EC%97%90-%EB%8B%B4%EA%B8%B0 -객체-변환" href="#jsonobject-->-객체-변환">JsonObject -> 객체 변환 Gson 라이브러리는 json으로 받은 데이터를 내가 만든 객체에 자동으로 set 해주는 기능을 제공한다. 먼저 간단한 JsonObject.." data-og-host="jekalmin.tistory.com" data-og-source-url="https://jekalmin.tistory.com/entry/Gson%EC%9D%84-%EC%9D%B4%EC%9A%A9..
filename = os.path.join(app.instance_path, 'dir', 'data.json') https://stackoverflow.com/questions/36649703/get-root-path-of-flask-application Get root path of Flask application I'm working on a Flask extension from which I want to create a directory in the project's root path on the file system. Suppose we have this directory structure /project /app /tests / stackoverflow.com BASE_DIR = os.path..
https://jaewoongmoon.wordpress.com/2016/08/12/%ED%97%B7%EA%B0%88%EB%A6%AC%EB%8A%94-%EB%8B%A8%EC%96%B4-marshalling-%EC%97%90-%EB%8C%80%ED%95%B4-%EC%A0%95%EB%A6%AC%ED%95%B4%EB%B3%B4%EC%9E%90/ 헷갈리는 단어 marshalling 에 대해 정리해보자. 자바 프로그래밍을 하다보면 marshalling(마셜링), unmarshalling(언마셜링) 등의 단어를 자주 접하게 되는데 확 이미지가 와닿지가 않아 조금 찾아보았다. marshal 이란 단어는 사전에서 찾아보면 명사로 jaewoongmoon.wordpress.com
new TypeToken new TypeToken(){}.getType() https://stackoverflow.com/questions/20773850/gson-typetoken-with-dynamic-arraylist-item-type Gson TypeToken with dynamic ArrayList item type I have this code: Type typeOfObjectsList = new TypeToken() {}.getType(); List objectsList = new Gson().fromJson(json, typeOfObjectsList); It convert...
String.valueOf((int) Double.parseDouble(t)) https://stackoverflow.com/questions/45734769/why-does-gson-parse-an-integer-as-a-double Why does Gson parse an Integer as a Double? A complex json string and I want to convert it to map, I have a problem. Please look at this simple test: public class Test { @SuppressWarnings("serial") public static void main(String[]... stackoverflow.com
https://stackoverflow.com/questions/40441460/does-googles-gson-use-constructors Does Google's GSON use constructors? I was wondering something when working on our project. Does the GSON API from Google use the constructors from the JSON's you want to deserialize? So for example: I've got a JSON String which I wa... stackoverflow.com
@JsonInclude(Include.NON_EMPTY) String type; https://stackoverrun.com/ko/q/4370536 java - Jackson serialization : 빈 값 무시 (또는 null) 현재 jackson 2.1.4를 사용하고 있으며 객체를 JSON 문자열로 변환 할 때 필드를 무시할 때 문제가 있습니다. 나는 그것을 변환하는 방법 public class JsonOperation { public static class Request { @JsonInclude(Include.N stackoverrun.com
https://stackoverflow.com/questions/173041/not-in-vs-not-exists NOT IN vs NOT EXISTS Which of these queries is the faster? NOT EXISTS: SELECT ProductID, ProductName FROM Northwind..Products p WHERE NOT EXISTS ( SELECT 1 FROM Northwind..[Order Details] od WHERE p. stackoverflow.com
SELECT ROW_NUMBER() OVER(ORDER BY (SELECT 0)) index, data FROM table https://www.mytecbits.com/microsoft/sql-server/row-number-without-using-order-by Row Number Without Using Order By In SQL Server | My Tec Bits How to generate row number without using ORDER By clause in SQL Server. Simple technique to override the sequence ordering while using ROW_NUMEBR() function www.mytecbits.com
java -Xms512m -Xmx1024m JavaApp init: -Xms max: -Xmx if(memory == 32g); ### default init: 1/64 = 512m max: 1/4 = 8g java -Xms512m -Xmx8g JavaApp ### optimize init: 1/2 = 16g max: 3/4 = 24g java -Xms16g -Xmx24g JavaApp https://mkyong.com/java/find-out-your-java-heap-memory-size/ Find out your Java heap memory size - Mkyong.com - Find out your Java heap memory size mkyong.com
zeppelin.interpreter.output.limit = 102400000 zeppelin.websocket.max.text.message.size = 102400000 https://stackoverflow.com/questions/45796163/zepplin-truncated-output-with-self-defined-sql-interpreter Zepplin: truncated output with self defined sql interpreter I use Zeppelin 0.7.2 and created for testing purposes an own "interpreter" for directly querying a sql database using jdbc. If I use th..
alter 'tablename', {NAME=> 'cf'} https://stackoverflow.com/questions/29291305/how-to-add-new-column-family-to-an-existing-hbase-table How to add new column family to an existing HBase table? I created a table by create 'tablename', 'columnfamily1' Now is it possible to add another column family 'columnfamily2'? What is the method? stackoverflow.com
public static T get(List list, int i) { try { return list.get(i); } catch (Exception e) { return null; } } public static List add(List list, T item) { if(item == null) { return list; } list.add(item); return list; } public static String get(Map map, String k) { String v = map.get(k); return v == null ? "" : v; }
private Object o; public List magicalListGetter(Class klazz) { List list = new ArrayList(); list.add(klazz.cast(o)); try { list.add(klazz.getConstructor().newInstance()); } return list; } https://stackoverflow.com/questions/17840483/how-to-have-java-method-return-generic-list-of-any-type How to have Java method return generic list of any type? I would like to write a method that would return a j..
alter 'table_name', {NAME => 'family_name', METHOD => 'delete'} https://stackoverflow.com/questions/18763982/deleting-columns-in-hbase Deleting Columns in HBase In HBase, calling DeleteColumn() method i.e., essentially a schema change to a column family or deleting column families will result in downtime of HBase Cluster? stackoverflow.com
Lists.partition(java.util.List, int) https://stackoverflow.com/questions/12026885/is-there-a-common-java-utility-to-break-a-list-into-batches Is there a common Java utility to break a list into batches? I wrote myself a utility to break a list into batches of given size. I just wanted to know if there is already any apache commons util for this. public static List
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