加载中
本地函数与 Lambda C# 7.0 - Local function vs Lambda C# 7.0

问题: I am looking at the new implementations in C# 7.0 and I find it interesting that they have implemented local functions but I cannot imagine a scenario where a local funct...

今天 13:36
0
C++ 将字符串(或 char*)转换为 wstring(或 wchar_t*) - C++ Convert string (or char*) to wstring (or wchar_t*)

问题: string s = "おはよう"; wstring ws = FUNCTION(s, ws); How would i assign the contents of s to ws?我如何将 s 的内容分配给 ws? Searched google and used some techniques but...

c++
今天 13:21
0
获取嵌套字典值的安全方法 - Safe method to get value of nested dictionary

问题: I have a nested dictionary.我有一个嵌套字典。 Is there only one way to get values out safely?只有一种方法可以安全地获取值吗? try: example_dict['key1']['key2'] except Key...

如何退出应用程序并显示主屏幕? - How to exit from the application and show the home screen?

问题: I have an application where on the home page I have buttons for navigation through the application.我有一个应用程序,在主页上我有通过应用程序导航的按钮。 On that page I h...

今天 13:11
0
Pass An Instantiated System.Type as a Type Parameter for a Generic Class

问题: The title is kind of obscure.标题有点晦涩。 What I want to know is if this is possible:我想知道的是这是否可能: string typeName = <read type name from somwhere>; Type myT...

got
今天 11:15
0
JavaScript 中有睡眠/暂停/等待功能吗? [复制] - Is there a Sleep/Pause/Wait function in JavaScript? [duplicate]

问题: This question already has answers here : 这个问题在这里已经有了答案: What is the JavaScript version of sleep()? sleep() 的 JavaScript 版本是什么? (84 answers) (84 个回答...

在 html 文本框中设置键盘插入符号位置 - Set keyboard caret position in html textbox

问题: Does anybody know how to move the keyboard caret in a textbox to a particular position?有人知道如何将文本框中的键盘插入符号移动到特定位置吗? For example, if a text-box (...

PHP - 将文件移动到服务器上的不同文件夹中 - PHP - Move a file into a different folder on the server

问题: I need to allow users on my website to delete their images off the server after they have uploaded them if they no longer want them.我需要允许我网站上的用户在上传图像后从...

php
今天 08:17
0
The type must be a reference type in order to use it as parameter 'T' in the generic type or method

问题: I'm getting deeper into generics and now have a situation I need help with. 我正在深入研究泛型,现在遇到需要帮助的情况。 I get a compile error on the 'Derived' class bel...

今天 08:07
0
webpages的功能是什么:在MVC 3 web.config中启用 - what is the function of webpages:Enabled in MVC 3 web.config

问题: I just started a new MVC 3 project. 我刚刚开始了一个新的MVC 3项目。 Can anyone tell me what 任何人都可以告诉我什么 <add key="webpages:Enabled" value="false" /> in my web...

今天 07:47
0
GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly

问题: I have followed these instructions below to upload a project.我已按照以下说明上传项目。 Global setup:全局设置: Download and install Git git config --global user.name "Yo...

今天 07:11
0
Python内存泄漏[关闭] - Python memory leaks [closed]

问题: Closed . 关闭。 This question needs to be more focused . 这个问题需要更加集中。 It is not currently accepting answers. 它目前不接受答案。 Want to improve this question?想...

今天 07:01
0
如何使用 CSS 将矩形图像“裁剪”为正方形? - How to “crop” a rectangular image into a square with CSS?

问题: I know that it is impossible to actually modify an image with CSS, which is why I put crop in quotes.我知道用 CSS 实际修改图像是不可能的,这就是为什么我用引号括起来的原因...

dlp
今天 06:31
0
如何修改文本文件? - How to modify a text file?

问题: I'm using Python, and would like to insert a string into a text file without deleting or copying the file.我正在使用 Python,并希望在不删除或复制文件的情况下将字符串插入到...

今天 05:00
0
如何从本地机器mysqldump远程数据库 - how to mysqldump remote db from local machine

问题: I need to do a mysqldump of a database on a remote server, but the server does not have mysqldump installed.我需要在远程服务器上对数据库进行 mysqldump,但该服务器没有安装...

今天 04:04
0
检查iOS上的电子邮件地址是否有效[重复] - Check that an email address is valid on iOS [duplicate]

问题: Possible Duplicate: 可能重复: Best practices for validating email address in Objective-C on iOS 2.0? 在iOS 2.0上验证Objective-C中的电子邮件地址的最佳做法? I am develop...

如何忽略ansible SSH真实性检查? - How to ignore ansible SSH authenticity checking?

问题: Is there a way to ignore the SSH authenticity checking made by Ansible?有没有办法忽略 Ansible 进行的 SSH 真实性检查? For example when I've just setup a new server I have...

今天 02:53
0
即使每个更改的文件都与其中一个父文件一致,如何“git show”合并提交并合并差异输出?

问题: After doing a "simple" merge (one without conflicts), git show usually only shows something like在做了一个“简单”的合并(一个没有冲突的)之后, git show通常只显示类似 co...

git
今天 02:22
0
Java关联数组 - Java associative-array

问题: How can I create and fetch associative arrays in Java like I can in PHP? 如何在PHP中创建和获取Java中的关联数组? For example: 例如: $arr[0]['name'] = 'demo'; $arr[0]['f...

今天 00:20
0
How can I check in a Bash script if my local Git repository has changes?

问题: There are some scripts that do not work correctly if they check for changes.如果检查更改,有些脚本将无法正常工作。 I tried it like this:我是这样试的: VN=$(git describe ...

没有更多内容

加载失败,请刷新页面

返回顶部
顶部