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从C#中的枚举获取int值 - Get int value from enum in C#

问题: I have a class called Questions (plural). 我有一堂课,叫做Questions (复数)。 In this class there is an enum called Question (singular) which looks like this. 在此类中,...

2020/03/31 20:50
31
如何仅从SQL Server DateTime数据类型返回日期 - How to return only the Date from a SQL Server DateTime datatype

问题: SELECT GETDATE() Returns: 2008-09-22 15:24:13.790 回报: 2008-09-22 15:24:13.790 I want that date part without the time part: 2008-09-22 00:00:00.000 我希望该日期部分没有...

2020/03/31 18:50
26
配置错误:无法在此路径上使用此配置部分 - Config Error: This configuration section cannot be used at this path

问题: I've encountered an error deploying a site to a server. 将网站部署到服务器时遇到错误。 When trying to load the home page, or access authentication on the new site in IIS...

2020/03/31 18:20
124
npm install的--save选项是什么? - What is the --save option for npm install?

问题: I saw some tutorial where the command was: 我看到了一些命令所在的教程: npm install --save What does the --save option mean? --save选项是什么意思? Not able to find the a...

npm
2020/03/31 03:50
37
如何在Bash中解析命令行参数? - How do I parse command line arguments in Bash?

问题: Say, I have a script that gets called with this line: 说,我有一个脚本被此行调用: ./myscript -vfd ./foo/bar/someFile -o /fizz/someOtherFile or this one: 或这一个: ./my...

2020/03/31 01:50
14
如何在Git中检索当前提交的哈希值? - How to retrieve the hash for the current commit in Git?

问题: I would like to retain (for now) the ability to link Git changesets to workitems stored in TFS. 我想保留(暂时)将Git变更集链接到存储在TFS中的工作项的功能。 I already wr...

2020/03/30 22:19
98
如何将Git托管项目中的所有本地更改还原到以前的状态?

问题: I have a project in which I ran git init . 我有一个项目,我在其中运行git init 。 After several commits, I did git status which told me everything was up to date and ther...

Git
2020/03/30 21:49
13
PostgreSQL“ DESCRIBE TABLE” - PostgreSQL “DESCRIBE TABLE”

问题: 如何在PostgreSQL中执行等效于Oracle DESCRIBE TABLE的命令(使用psql命令)? 解决方案: 参考一:https://stackoom.com/question/SRJ/PostgreSQL-DESCRIBE-TABLE 参考二:https://o...

2020/03/30 20:49
84
如何检查SQL Server表中是否存在列? - How to check if a column exists in a SQL Server table?

问题: I need to add a specific column if it does not exist. 如果它不存在,我需要添加一个特定的列。 I have something like the following, but it always returns false: 我有类似以下...

2020/03/30 20:19
19
如何在不安装Microsoft Office的情况下用C#创建Excel(.XLS和.XLSX)文件?

问题: 如何在不使用运行代码的计算机上安装Excel的情况下使用C#创建Excel电子表格? 解决方案: 参考一:https://stackoom.com/question/dHZ/如何在不安装Microsoft-Office的情况下用C-创建...

2020/03/30 18:19
89
在图像旁边垂直对齐文字? - Vertically align text next to an image?

问题: Why won't vertical-align: middle work? 为什么不vertical-align: middle工作? And yet, vertical-align: top does work. 但是, vertical-align: top 确实有效。 span{ vertical-a...

2020/03/30 03:48
16
带请求正文的HTTP GET - HTTP GET with request body

问题: I'm developing a new RESTful webservice for our application. 我正在为我们的应用程序开发新的RESTful Web服务。 When doing a GET on certain entities, clients can request th...

如何使用java.net.URLConnection触发和处理HTTP请求

问题: Use of java.net.URLConnection is asked about pretty often here, and the Oracle tutorial is too concise about it. 在这里经常会问到使用java.net.URLConnection情况,而Oracle教...

2020/03/29 23:18
7
如何在Java中声明和初始化数组? - How do I declare and initialize an array in Java?

问题: 如何在Java中声明和初始化数组? 解决方案: 参考一:https://stackoom.com/question/52Kr/如何在Java中声明和初始化数组 参考二:https://oldbug.net/q/52Kr/How-do-I-declare-and-...

2020/03/29 14:48
54
何时在$ this上使用self? - When to use self over $this?

问题: In PHP 5, what is the difference between using self and $this ? 在PHP 5中,使用self和$this什么区别? When is each appropriate? 什么时候合适? 解决方案: 参考一:https://s...

PHP
2020/03/29 14:18
5
HTML 5:是 <br> , <br/> , 要么 <br /> ? - HTML 5: Is it <br>, <br/>, or <br />?

问题: I've tried checking other answers , but I'm still confused — especially after seeing W3schools HTML 5 reference . 我尝试检查其他答案 ,但仍然感到困惑-特别是在看到W3schoo...

2020/03/29 13:48
15
在JavaScript中定义枚举的首选语法是什么? [关闭]

问题: What is the preferred syntax for defining enums in JavaScript? 在JavaScript中定义枚举的首选语法是什么? Something like: 就像是: my.namespace.ColorEnum = { RED : 0, GREE...

2020/03/29 09:18
10
一次捕获多个异常? - Catch multiple exceptions at once?

问题: It is discouraged to simply catch System.Exception . 不建议仅捕获System.Exception 。 Instead, only the "known" exceptions should be caught. 相反,仅应捕获“已知”异常。 ...

2020/03/29 05:17
136
显示两个修订版之间已更改的文件 - Showing which files have changed between two revisions

问题: I want to merge two branches that have been separated for a while and wanted to know which files have been modified. 我想合并两个已分开一段时间的分支,并想知道哪些文件已被...

2020/03/29 04:17
12
如何将Git存储库克隆到特定文件夹? - How do you clone a Git repository into a specific folder?

问题: Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever, and drops the contents of the Git repository into that fo...

2020/03/28 17:47
12

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