runtime

序列化和反序列化

家住魔仙堡 提交于 2019-12-26 01:56:52
using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; namespace 序列化反序列化 { class Program { static void Main(string[] args) { //需要将对象的状态保存起来 持久化 //序列化:将对象的状态持久化到某种设备上(磁盘) //要将类标记为Serializable 这个类的对象才能被序列化 //以二进制的方式进行序列化,而不是文本文档 //反序列化:将之前序列化的文件还原为对象 #region[序列化] Person p1 = new Person() { Age = 19, Name = "Rose" }; System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter(); using (FileStream fs = new FileStream("se.bin", FileMode.Create)) {

Go程序的一生是怎样的?

天大地大妈咪最大 提交于 2019-12-25 21:28:35
Go 程序是怎样跑起来的 原创: 饶全成 码农桃花源 刚开始写这篇文章的时候,目标非常大,想要探索 Go 程序的一生:编码、编译、汇编、链接、运行、退出。它的每一步具体如何进行,力图弄清 Go 程序的这一生。 在这个过程中,我又复习了一遍《程序员的自我修养》。这是一本讲编译、链接的书,非常详细,值得一看!数年前,我第一次看到这本书的书名,就非常喜欢。因为它模仿了周星驰喜剧之王里出现的一本书 ——《演员的自我修养》。心向往之! 在开始本文之前,先推荐一位头条大佬的博客——《面向信仰编程》,他的 Go 编译系列文章,非常有深度,直接深入编译器源代码,我是看了很多遍了。博客链接可以从参考资料里获取。 理想很大,实现的难度也是非常大。为了避免砸了“深度解密”这个牌子,这次起了个更温和的名字,嘿嘿。 下面是文章的目录: 引入 我们从一个 HelloWorld 的例子开始: package main import "fmt" func main() { fmt. Println ( "hello world" ) } 当我用我那价值 1800 元的 cherry 键盘潇洒地敲完上面的 hello world 代码时,保存在硬盘上的 hello.go 文件就是一个字节序列了,每个字节代表一个字符。 用 vim 打开 hello.go 文件,在命令行模式下,输入命令: :%!xxd 就能在 vim

Run Time Error 424 Object Required- VBA Start Stop

生来就可爱ヽ(ⅴ<●) 提交于 2019-12-25 18:32:47
问题 I have a start stop time button excel 2010 sheet to keep track of how much I spend on tasks at work. It was working fine until this morning and I am getting a Run-time Error 424 Message. The code is below. Any help you can give will be greatly appreciated!! Option Explicit Private Sub btnStart_Click() ActiveSheet.Unprotect Cells(Rows.Count, 5).End(xlUp).Offset(1) = Date Cells(Rows.Count, 6).End(xlUp).Offset(1) = Now Cells(Rows.Count, 7).End(xlUp).NumberFormat = "hh:mm" Cells(Rows.Count, 8)

C# modify console font, font size at runtime?

此生再无相见时 提交于 2019-12-25 18:24:43
问题 I'm in the process of creating a rougelike and to assure my game displays correctly I am wanting to change the console font and font size at runtime. I am very noob to programming and c# so I'm hoping this can be explained in a way I or anyone else can easily implement. This resource list the full syntax of the CONSOLE_FONT_INFOEX structure: typedef struct _CONSOLE_FONT_INFOEX { ULONG cbSize; DWORD nFont; COORD dwFontSize; UINT FontFamily; UINT FontWeight; WCHAR FaceName[LF_FACESIZE]; }

8天入门docker系列 —— 第三天 使用aspnetcore小案例熟悉对镜像的操控

女生的网名这么多〃 提交于 2019-12-25 18:19:12
原文: 8天入门docker系列 —— 第三天 使用aspnetcore小案例熟悉对镜像的操控   上一篇我们聊到了容器,现在大家应该也知道了,没有镜像就没有容器,所以镜像对docker来说是非常重要的,关于镜像的特性和原理作为入门系列就不阐 述了,我还是通过aspnetcore的小sample去熟悉镜像的操控。 一:镜像在哪里 这个问题问到点子上了,就好像说肉好吃,那你告诉我哪里才能买的到? 1. docker官方渠道 docker官方有一个 https://hub.docker.com/ 网址,你能想到和想不到的镜像这上面都有,比如web开发者熟悉的nginx,redis,mongodb等等,而且还告诉 你怎么去下载,如下图: 接下来你可以通过docker pull nginx 来获取docker hub 上最新的镜像了。 [root@localhost ~]# docker pull nginx Using default tag: latest latest: Pulling from library/nginx 6ae821421a7d: Pull complete da4474e5966c: Pull complete eb2aec2b9c9f: Pull complete Digest: sha256

How can I run a bash script (which downloads a file) in Java?

大城市里の小女人 提交于 2019-12-25 17:18:51
问题 Running in Mac OS X Lion, I need to retrieve a file from a remote server using a script in the command line. The command I'm trying to use in code is "bash /my/path/here/myscript" and I already run another process from the command line (atos) using the code below. Process proc = Runtime.getRuntime().exec(cmd); But while debugging, the program continues without error, yet the script does appear to have actually run. Furthermore, there should be a pause of several seconds while the script

How can I run a bash script (which downloads a file) in Java?

对着背影说爱祢 提交于 2019-12-25 17:18:02
问题 Running in Mac OS X Lion, I need to retrieve a file from a remote server using a script in the command line. The command I'm trying to use in code is "bash /my/path/here/myscript" and I already run another process from the command line (atos) using the code below. Process proc = Runtime.getRuntime().exec(cmd); But while debugging, the program continues without error, yet the script does appear to have actually run. Furthermore, there should be a pause of several seconds while the script

Java Runtime OR Processbuilder OR Other

て烟熏妆下的殇ゞ 提交于 2019-12-25 14:10:20
问题 I'd like to know what the best alternative is for running command line executables from Java. The Target platforms for the commands are Windows 7(+) and Unix/Linux. I have a class that currently uses Runtime.exec() along with the enhancements from the JavaWorld StreamGobbler article. It works about 90% of the time on both Windows and Unix. The other 10% of the time I need to extend the class and then fiddle with putting cmd.exe of /bin/sh in front of the command. I've also had to fiddle

Java Runtime OR Processbuilder OR Other

江枫思渺然 提交于 2019-12-25 14:09:15
问题 I'd like to know what the best alternative is for running command line executables from Java. The Target platforms for the commands are Windows 7(+) and Unix/Linux. I have a class that currently uses Runtime.exec() along with the enhancements from the JavaWorld StreamGobbler article. It works about 90% of the time on both Windows and Unix. The other 10% of the time I need to extend the class and then fiddle with putting cmd.exe of /bin/sh in front of the command. I've also had to fiddle

convert String to runtime code in java

南楼画角 提交于 2019-12-25 10:00:43
问题 I'm creating a software that would execute custom code line by string SO, is there any method function or whatever you want that can do that : String command="println("the TEST work !!!")"; magicExecMethod(command); *and it print : the TEST work !!! Thancks 回答1: You have several ways to achieve this. You can create java file by printing it line-by-line, then compile it by either invocation of compiler from command line or by calling java.lang.Compiler , then run it. Other way is to run your