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What does the specified number mean in a VARCHAR() clause?
Just to clarify, by specifying something like VARCHAR(45) means it can take up to max 45 characters? I remember I heard from someone a few years ago that the number in the parenthesis doesn\'t refer t[详细]
2022-12-25 15:15 分类：问答The 'this' keyword as a property
I know C# well, but it is something strange for me. In some old program, I have seen this code: public MyType this[string name][详细]
2022-12-25 03:10 分类：问答In Python, what are some examples of when decorators greatly simplify a task?
Trying to find examples of when decorators might be really beneficial, and when not so much. Sample code is ap开发者_运维问答preciated.Decorators are simple syntax for a specific way to call higher-or[详细]
2022-12-25 01:44 分类：问答How to rename files keeping a variable part of the original file name
I\'m trying to make a script that will go into a directory and run my own application with each file matching a regular expression, specifically Test[0-9]*.txt.[详细]
2022-12-24 18:21 分类：问答芒果TV开启付费模式：看《我是歌手3》得掏钱？
12月31日，知情人士向腾讯科技透露，即将开播的湖南卫视《我是歌手》第三季，不仅将在湖南卫视旗下芒果TV全网独家播出，还将在芒果TV上采用按次付费模式。如果这种模式在未来被复制到其他节目中，将意味着用户免费在[详细]
2022-12-24 17:17 分类：问答等“顾佳手撕小三”的我懵了，为何《三十》不给我们想看的结局？？
103010大结局结束了，这部承包了我们整个暑假热搜的电视剧也告一段落。 日常习惯问题：顾佳今天离婚了吗？[详细]
2022-12-24 16:35 分类：问答Getting just the filename from a path with JavaScript
I have a full path to an image, which I am using jQuery to read like this: $(\'img.my_image\').attr(\'src\');[详细]
2022-12-24 15:02 分类：问答XCode+SVN coloring the modified lines?
I am probably asking for too much: does anyone know a way to get XCode color the lines of code accordi开发者_运维百科ng to their subversion status (modified, added, etc.)?[详细]
2022-12-24 10:45 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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