在SQLite官方下载了System.Data.SQLite,编写如下测试代码: 复制内容到剪贴板 程序代码 using (SQLiteConnection conn = new SQLiteConnection(@"Data Source=F:\my.db;Pooling=true;FailIfMissing=false")){ using (SQLiteDataAdapter adapter = new SQLiteDataAdapter("select id,to
转载请注明出处:http://www.cnblogs.com/LT5505/p/5685242.html 问题:在Android Studio2.1.2+Java8的环境下,引用Java Library,同时引用了dataBinding处于enable状态,会导致编译出错,提示“This is caused by library dependencies that have been compiled using Java 8 or above.”,如下图所示: 解决步骤: 1.在所有的modu
创建新库出错如下: Native library pre-loader is trying to load native SQLite library "D:\wwwroot\localhost\xxx\bin\x86\SQLite.Interop.dll"... w3wp.exe Error: : Error occured and caught in Global.asax - LibGit2Sharp.NameConflictException: Failed to make d
MongoDB查询转对象是出错Element '_id' does not match any field or property of class 解决方法: 1.在实体类加:[BsonIgnoreExtraElements] 2.或者定义public ObjectId _id { get; set; } 例子: [BsonIgnoreExtraElements] public class BaseData { //public ObjectId _id { get
protobuf 最近使用protobuf,变编译工具时遇上一点问题.现在附上解决方案 编译过程 完全参照 https://github.com/alexeyxo/protobuf-objc 编译出错 遇到如下错误 ./google/protobuf/objectivec-descriptor.pb.h:17:2: error: This file was generated by an older version of protoc which is #error This file was
原文链接:Qt经典出错信息之undefined reference to `vtable for classname 这个出错信息太常见了,用过Qt两个月以上的朋友基本上都能自己解决了,因为太经典了,可以给新手参考. 出错信息一般类似:undefined reference to `vtable for classname MyWidget`在执行make命令后出现. 出错原因是在定义类的时候为了能使用signals和slot,在类定义的后面加了Q_OBJECT引起. 因为Q_OBJECT是一个
