1. Insert string data import java.text.SimpleDateFormat; import java.util.Date; import com.processdb.connection.DBConnect; import com.processdb.connection.DBConnectManager; import com.processdb.driver.common.ConnectInfo; import com.processdb.driver.common.ConstantValue.MessageType; import com.processdb.driver.dao.DBRealtimeDataDao; import com.processdb.exception.DBException; public class Test { static int counter = 0; /** * @param args the command line arguments */ public static void main(String[] args) { ConnectInfo host = new ConnectInfo(); host.setConnectName(“testConn”); host.setHostName(“127.0.0.1”); host.setHostPort(8301); host.setPassword(“shuquan230519”); host.setUserName(“root”); DBConnect […]
Tag: ssd
hibernate.validator.constraints.NotEmpty error when verifying request parameters java.lang.NoClassDefFoundError: javax/el/PropertyNot…
In the spring maven project, use hibernate validator to annotate the input parameter object of the formal verification method. hibernate-validator version: 5.0.2.Final validation-api version: 1.1.0.Final There is an attribute named order_time in the model class annotated with @NotEmpty: package com.emax.paycenter.dto.external; import org.hibernate.validator.constraints.NotEmpty; import org.hibernate.validator.constraints.URL; import javax.validation.constraints.Min; import javax.validation.constraints.NotNull; import java.io.Serializable; /** * Scan QR code […]
GaussDB database SQL series-dynamic statements
Table of Contents 1. Foreword 2. Basic steps and precautions for building dynamic SQL statements 1. Basic steps 2. Main matters 3. Execute dynamic query statements in GaussDB (example) 1. Method 1: EXECUTE IMMEDIATE 2. Method 2: OPEN FOR 4. Dynamic non-query statements in GaussDB (example) 5. Summary 1. Preface Building dynamic SQL statements in […]
Exception in thread “main” java.lang.NoClassDefFoundError: javax/servlet/Filter occurs in springboot project
(Please delete the content in brackets when reprinting) The following problems were encountered during the learning process: Exception in thread “main” java.lang.NoClassDefFoundError: javax/servlet/Filter at java.base/java.lang.ClassLoader.defineClass1(Native Method) at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) at java.base/java.lang.ClassLoader.defineClass1(Native Method) at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) […]
Another idea of anti-SSDTHOOK-0 ring to implement your own system call
Another idea of anti-SSDTHOOK-0 ring to implement your own system call Everyone knows that when we use the system api at the application layer, except for gdi related things, we will go through the interrupt gate or systementer to enter the 0 ring, and then go through the ssdt table to execute the 0 ring […]
Convert SSDD+’s xml tag to DOTA’s 8-parameter tag; and convert it to JSON format
Similar to other data sets such as DOTA and DIOR, reproduced + modified # Modified by:TZF # File name: roxml_to_dota.py # Function description: Convert xml files marked by rolabelimg into xml files that can be recognized by dota. #Convert to txt file in dota format # Convert the rotation frame cx,cy,w,h,angle into four-point coordinates x1,y1,x2,y2,x3,y3,x4,y4 […]
SSD202D dtb file compilation analysis
Environment # I bought “Dongshan Pi No. 1-Development Board” and was curious about the compilation process of its device tree, so I learned about it; # The soc used is SSD202D, and the sdk version is: TAKOYAKI_DLC00V030; Target Image file generation # Compilation targets are defined in arch/arm/Makefile BOOT_TARGETS = zImage Image xipImage bootpImage uImage […]
Progress bar–QProgressBar, progress dialog box–QProgressDialog
1. QProgressBar progress bar 1. The QProgressBar class inherits from QWidget, which is a QWidget component. In addition to placing it, QProgressBar In addition to the progress dialog box, it can also be placed in other components such as the status bar of the window. QProgressBar provides a horizontal or vertical progress bar, and you […]
GaussDB (DWS) performance tuning: Performance bottleneck case caused by Sort+Groupagg aggregation
This article is shared from the Huawei Cloud Community “GaussDB (DWS) Performance Tuning: Performance Bottleneck Case Caused by Sort + Groupagg Aggregation”, author: Opaoguolai~. This article analyzes the case where the SQL statement cannot be executed for a long time and the Sort + GroupAgg aggregation method appears in the verbose execution plan. 1. [Problem […]
OpenCV SSD target detection
Personal homepage:Fengjian Ruri Copyright: This article is original by [Fengjian Liuli] and first published on CSDN. If you need to reprint, please contact the blogger If the article is helpful to you, welcome to follow, like, collect (three consecutive clicks) and subscribe to the column Table of Contents Preface 1. Introduction to SSD Network 2. […]