加载中
如何基于通配符匹配递归地找到当前文件夹和子文件夹中的所有文件?

问题: 如何基于通配符匹配递归地找到当前文件夹和子文件夹中的所有文件? 解决方案: 参考一:https://stackoom.com/question/OmAo/如何基于通配符匹配递归地找到当前文件夹和子文件夹中的所...

2020/03/31 22:50
38
如何在Node.js中退出 - How to exit in Node.js

问题: What is the command that is used to exit? 用于退出的命令是什么? (ie terminate the Node.js process) (即终止Node.js进程) 解决方案: 参考一:https://stackoom.com/question...

2020/03/31 17:20
27
什么是三法则? - What is The Rule of Three?

问题: What does copying an object mean? 复制对象是什么意思? What are the copy constructor and the copy assignment operator ? 复制构造函数和复制赋值运算符是什么? When do I ne...

2020/03/28 18:47
66
MVP和MVC有什么区别? - What are MVP and MVC and what is the difference?

问题: When looking beyond the RAD (drag-drop and configure) way of building user interfaces that many tools encourage you are likely to come across three design patterns called...

2020/03/28 19:47
7
__init__.py的作用是什么? - What is __init__.py for?

问题: Python源目录中的__init__.py是什么? 解决方案: 参考一:https://stackoom.com/question/1scB/init-py的作用是什么 参考二:https://oldbug.net/q/1scB/What-is-init-py-for......

2020/03/28 20:47
155
如何在Ruby中编写switch语句 - How to write a switch statement in Ruby

问题: 如何在Ruby中编写switch语句? 解决方案: 参考一:https://stackoom.com/question/3yeV/如何在Ruby中编写switch语句 参考二:https://oldbug.net/q/3yeV/How-to-write-a-switch-sta...

2020/03/29 00:17
21
Eclipse Android插件中的“调试证书已过期”错误 - “Debug certificate expired” error in Eclipse Android plugins

问题: I am using Eclipse Android plugins to build a project, but I am getting this error in the console window: 我正在使用Eclipse Android插件来构建项目,但是在控制台窗口中出现此...

2020/03/30 07:49
43
如何突破Java中的嵌套循环? - How do I break out of nested loops in Java?

问题: I've got a nested loop construct like this: 我有一个像这样的嵌套循环构造: for (Type type : types) { for (Type t : types2) { if (some condition) { // Do something ......

2020/03/31 06:50
34
在外壳中,“ 2>&1”是什么意思? - In the shell, what does “ 2>&1 ” mean?

问题: In a Unix shell, if I want to combine stderr and stdout into the stdout stream for further manipulation, I can append the following on the end of my command: 在Unix shel...

2020/03/28 14:17
37
JavaScript对象的长度 - Length of a JavaScript object

问题: I have a JavaScript object, is there a built-in or accepted best practice way to get the length of this object? 我有一个JavaScript对象,是否有内置的或公认的最佳实践方法来...

2020/03/28 01:16
21
常规投放vs. static_cast与dynamic_cast [重复] - Regular cast vs. static_cast vs. dynamic_cast [duplicate]

问题: This question already has an answer here: 这个问题已经在这里有了答案: When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used? 什么时候应该使用sta...

2020/04/01 01:51
7
如何检索HTML元素的实际宽度和高度? - How do I retrieve an HTML element's actual width and height?

问题: Suppose that I have a <div> that I wish to center in the browser's display (viewport). 假设我有一个<div> ,希望在浏览器的显示(视口)中居中。 To do so, I need to calculat...

2020/06/27 05:07
31
在django中区分null = True,空白= True - differentiate null=True, blank=True in django

问题: When we add a database field in django we generally write models.CharField(max_length=100, null=True, blank=True) . 当我们在Django中添加数据库字段时,通常会编写models.Ch...

2020/06/26 23:37
91
适用于git stash pop和git stash的区别 - Difference between git stash pop and git stash apply

问题: I've been using git stash pop for quite some time. 我一直在使用git stash pop一段时间了。 I recently found out about the git stash apply command. 我最近发现了git stash app...

git
2020/06/25 10:05
343
检查变量是否为整数 - Checking whether a variable is an integer or not

问题: 如何检查变量是否为整数? 解决方案: 参考一:https://stackoom.com/question/Egru/检查变量是否为整数 参考二:https://oldbug.net/q/Egru/Checking-whether-a-variable-is-an-int...

2020/06/26 06:36
45
将光标放在EditText的文本末尾 - Place cursor at the end of text in EditText

问题: I am changing the value of an EditText on keyListener . 我正在keyListener上更改EditText的值。 But when I change the text the cursor is moving to the beginning of the Edit...

2020/06/26 00:06
124
如何列出所有用户的所有cron作业? - How do I list all cron jobs for all users?

问题: Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? 是否有命令或现有脚本可以让我一次查看所有* NIX系统的预定...

2020/06/27 12:38
36
如何在批处理/ cmd中“注释掉”(添加注释)? - How to “comment-out” (add comment) in a batch/cmd?

问题: I have a batch file that runs several python scripts that do table modifications. 我有一个批处理文件,它运行几个进行表修改的python脚本。 I want to have users comment out...

2020/06/28 23:40
179
为什么2 *(i * i)比Java中的2 * i * i更快? - Why is 2 * (i * i) faster than 2 * i * i in Java?

问题: The following Java program takes on average between 0.50 secs and 0.55 secs to run: 以下Java程序平均需要在0.50秒到0.55秒之间运行: public static void main(String[] args)...

2020/06/28 06:39
66
div块内的CSS中心文本(水平和垂直) - CSS center text (horizontally and vertically) inside a div block

问题: I have a div set to display:block ( 90px height and width ), and I have some text inside. 我将div设置为display:block ( height和width 90px ),并且里面有一些文本。 I need...

2020/06/29 23:11
27

没有更多内容

加载失败,请刷新页面

返回顶部
顶部