}staticvoidTest(){// Create an instance of the delegate without using variance.Func<String, Employee> findEmployee = FindByTitle;// The delegate expects a method to return Person,// but you can assign it a method that returns Employee.Func<String, Person> findPerson = FindByTitle;// You...
Console.WriteLine("Is the string null or empty? " + isNullOrEmpty); ``` 11. string.Format(: 这是一个用于将多个值格式化并插入字符串中的函数。示例代码如下: ``` string name = "John"; int age = 25; string formattedString = string.Format("My name is {0} and I'm {1} years old."...
possible value of System.IntPtr.publicstaticIntPtr MinValue {get; }/// 摘要:// Gets the size of this instance./// 返回结果:// The size of a pointer or handle in this process, measured in bytes. The value// of this property is 4 in a 32-bit process, and 8 in a 64-bit proces...
<2>string使用string.Empty作为0 20.更倾向于使用不可变原子值类型 <1>消费者对象不是原子类型,它由不同的不可变类型构成:地址、名字或者电话号码的集合 <2>原子类型是单一的实体,可以替换原子类型的整个内容 <3>使用不可变类型是通过创建一个新的对象,而不是通过修改已经存在的实例 <4>引用类型的内部引用是在...
string.IsNullOrEmpty(value)){this.DependedOn = value.Split(',');}else{this.DependedOn = new string[0];}break;}}}if (string.IsNullOrEmpty(this.ServiceName)){throw new ConfigurationErrorsException(string.Format("ServiceName is not allow be null or empty.(Settings File: {0})" + settingsFile...
5、Path.GetTempPath(), , UPDATEDIR); 29 private string url = String.Empty; 30 31 private FTP ftp = null; 32 33 #endregion 34 35 Delegates#region Delegates 36 37 public delegate void AsycDownLoadFile(string srcFile, string destFile, int i); 38 39 public delegate void ExecuteUpdateFiles...
});// v1.3.3 版本之前publicstaticIHostBuilderCreateHostBuilder(string[] args)=> Host.CreateDefaultBuilder(args) .ConfigureAppConfiguration((context, builder) => {varc = builder.Build();// 从配置文件读取Nacos相关配置// 默认会使用JSON解析器来解析存在Nacos Server的配置builder.AddNacosV2Configuration...
Caller must guarantee that if the same instance ofCSharpSyntaxNodemakes multiple calls to this function, only one result is observable. Create(CSharpSyntaxNode, CSharpParseOptions, String, Encoding, ImmutableDictionary<String,ReportDiagnostic>, Nullable<Boolean>) ...
this string str) { if (string.IsNullOrEmpty(str)) return string.Empty; re...
public Boolean IsInit(){ return bIsInit;} /// 关闭⽂件流 public void Close(){ sr.Close();sr = null;} /// 根据键获得值字符串 /// 键 /// <returns>值</returns> public string GetPropertiesText(string strKey){ string strResult = string.Empty;string str = string.Empty;sr.BaseStream...