I am dealing with a Json file, I parsed it into jObject, I have another list which flattened the properties of a jobject which share part of the property elements names. Now I want to modify values in the jobject according to values indicated in the…

There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax.       This article is part of our on-going bash tutorial series.       This explains both of the bash for lo…

create table a_tab(ver number,id number);create table b_tab(ver number,id number);set timing on DECLAREl_add INTEGER:=0;BEGINFOR i in 1..200000 LOOPl_add:=l_add+i;EXECUTE IMMEDIATE 'insert INTO a_tab values(:a,:b)' USING i,l_add;END LOOP;COMMIT;END;/…

HLSL Cross Compiler This library compiles High Level Shading Language (HLSL) shader source code into a high-level intermediate representation, performs device-independent optimizations, and produces OpenGL Shading Language (GLSL) compatible source co…

Exercises for IN1900October 14, 2019PrefaceThis document contains a number of programming exercises made for the courseIN1900. The chapter numbers and titles correspond to the chapters of the book“A primer on Scientific Programming with Python” by Ha…

源代码地址:https://github.com/hopebo/hopelee 语言:C++ 24.Swap Nodes in Pairs Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2->1->4->3. Your algorithm should u…

QUESTION 13 View the Exhibit.Examine the following command that is executed for the TRANSPORT table in the SH schema:SQL> SELECT DBMS_STATS.CREATE_EXTENDED_STATS('sh', 'customers_obe', '(country_id,cust_state_province)') FROM dual;Which statement des…

C# 解析 json JSON(全称为JavaScript Object Notation) 是一种轻量级的数据交换格式.它是基于JavaScript语法标准的一个子集. JSON采用完全独立于语言的文本格式,可以很容易在各种网络.平台和程序之间传输.JSON的语法很简单,易于人阅读和编写,同时也易于机器解析和生成. JSON与XML的比较◆可读性 JSON和XML的可读性相比较而言,由于XML提供辅助的标签,更加适合人阅读和理解.◆文件大小与传输 XML允许使用方便的标签,所以文件尺寸是要比J…

1.JSON 语法是 JavaScript 对象表示语法的子集. l  数据在名称/值对中 l  数据由逗号分隔 l  花括号保存对象 l  方括号保存数组 JSON 值可以是: l  数字(整数或浮点数) l  字符串(在双引号中) l  逻辑值(true 或 false) l  数组(在方括号中) l  对象(在花括号中) l  null ------------------------------ 2.用XML表示中国部分省市数据如下: <country>     <name>…

本章主要阐述SGA中的shared pool. Shared pool { 1.free 2.library cache(缓存sql语句及其执行计划) 3.row cache(数据字典缓存) }   ps:对Oracle了解的多少的一个重要指标就是看你对数据字典了解多少.     --Shared pool oracle 中只可以整体设置shared pool的大小,不可以对shared pool中的内存区域分别设置大小. shared pool中容易出问题的是free和library cach…