本次笔试在牛客在线笔试平台， 记录一下编程题的题目。

本次笔试在赛码网，记录一下编程题。

本次笔试在赛码网，有选择和编程题，这次来记录一下编程题。

Recently, I planned to write a database project to improve my ability. It’s hard to start because I knows little about the structure of SQL, so first, I learnt SQLite. I write this article to steady what I‘ve learnt.

I’v been wanting to optimize my blog’s loading speed for a long time. However, even when I rewrote my theme, I still didn’t do it.

Recently, while trying to accelerate my blog load speed, I also want to get all my pictures a cdn. Also I’m tired of uploading the picture every time I want to quote a picture in my post, So I found a softeware PicGo.

This problem derives from Heap Sort.

主题重构Day1-2，详细地写一些搭建环境和框架遇到的bug，以己如何解决方法。详细记录了一些开发时的心理状态作为日后的乐趣。

I've been studied 01 Package for so many times. But I keep forgetting it. It costs me so many energy every time I learn, especially for the optimization of space complexity. So I take notes this time.

Normally, if I want to find whether the key exists in map STL(C++), the first thing come up to my mind is if(map1[key1]). However, this is wrong, because if there is no key equals to key1, map1[key1] will return 0 and if there is a key1 but its value is 0, then it will also return 0; So this method is not feasible.

Sometimes we want to write something that we don't want all the web users to read. And the way we add password at is no safe. So we can use hexo plugin hexo-blog-encrypt to set password for our post.

Get a star function to your blog or webpage so that reader can give feedbacks to your article.

Every time I use git to commit to my repository, I need to type my username and keys. So how can I get rid of it?

I want to add a share function to my blog. So that readers can share my articles easily. I use a plugin Share.js. Even though this project has been not maintained for long, it’s still can be used.

This article records my experience of using the hexo related popular posts plugin. And how to modify the plugin to make it suitable for my theme.

While installing and using the Hexo Plugin [hexo-related-popular-posts], I ran Into a problem. I got an error after Hexo s. The followings are the details