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C语言 二叉树的最大值和高度 int get_height(Node *node) { int left, right, max; if (node) { left = get_height(node->left); right = get_height(node->right); max = left > right ? left : right; return max + 1; } else { return 0; } } int get_max(Node *node) { if (node) { int ml = get_max(node->left); int mr = get_max(node->right); int root = node->data; int max = ml > mr ? ml : mr; return max > root ? max : root; } else { return -1; } }
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图床，通过Python调用api上传图片到Gitlab 用过一段时间的PicGo，但是感觉太重了，为了一个上传图片去装一个软件有点太麻烦。然后目前个人感觉也就Gitlab速度还可以一点，于是昨天翻了官方文档踩了很多坑，总算搞好了。现将关键代码放到这里。 file_path = datetime.datetime.now().strftime('zb_users/upload/%Y/%m/') headers = {'PRIVATE-TOKEN': '这里放你的项目token'} img = file.file.read() ext = file.content_type.split('/')[-1] file_path = urllib.parse.quote(file_path + uuid.uuid4().hex + '.' + ext).replace('/', '%2f') url = f'https://gitlab.com/api/v4/projects/这里放你的项目ID/repository/files/{file_path}' response = await requests.post(url, headers=headers, json={ 'branch': 'master', 'content': base64.b64encode(img).decode('utf-8'), 'author_email': 'blog@lanol.cn', 'author_name': 'Lan', 'encoding': 'base64', 'commit_message': 'www.lanol.cn' }) res = await response.json()然后花了点时间写了个小前端用来上传，支持选择，拖拽，粘贴文件进行上传。
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二叉树的C实现 #include <stdio.h> #include <stdlib.h> typedef struct node { int data; struct node *left; struct node *right; } Node; typedef struct tree { Node *root; } Tree; void insert(Tree &tree, int value) { Node *node = static_cast<Node *>(malloc(sizeof(Node))); node->data = value; node->left = NULL; node->right = NULL; if (tree.root == NULL) { tree.root = node; } else { Node *temp = tree.root; while (temp != NULL) { if (value < temp->data) { if (temp->left == NULL) { temp->left = node; return; } else { temp = temp->left; } } else { if (temp->right == NULL) { temp->right = node; return; } else { temp = temp->right; } } } } } void display(Node *node) { if (node != nullptr) { display(node->left); printf("%d\n", node->data); display(node->right); } } int main() { int arr[7] = {6, 3, 8, 2, 5, 1, 7}; Tree tree; tree.root = NULL; for (int i = 0; i < 7; ++i) { insert(tree, arr[i]); } display(tree.root); }
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Mac 安装mysqlclient报错，OSError: mysql_config not found 的解决方法 raise EnvironmentError("%s not found" % (mysql_config.path,)) OSError: mysql_config not found先安装brew（如果没有）/bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)"安装mysql-connector-cbrew install mysql-connector-c添加到PATH根据提示，添加到你的PATH
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TED英语角||音频版：人的一生其实只有9年 When saked "What is the biggest mistake we make in lif?" the Buddha replied,"The biggest mistake is you tink you have time." Time is free,but it's priceless.You Can't own it,but you can use it.You can't keep it,but youcan spend it.And once it's lost you can nerver get it back.The average person lives 78 years.We spend 28.3 years of out life sleeping.That's almost a third of out life,but 30% of us want to leave out current jobs.Time is more valuable than money.You can get more money,but you can never get more time.We spend 9 years on TV,and social media.We spend 6 years doing chores,We spend 4 years eating and drinking. We spend 3.5 years in education.We spend 2.5 years grooming. We spend 2.5 years shopping. We speed 1.3 years commuting. That leaves us wth 9 years.How will We spend that time?Steve Jobs said "Your time is limited, so don't waste it living someone else's life." So there's good news and there's bad news. The bad news is time flies; the good news is you're the pilot.Imagine you wake up every day with $86400 in your bank account. and at the end of the night it's all gone whether you spent it or not. And then the next day you get another $86400. What would we do with it?Every 86400 seconds are deposited into you life account.At the end of the day once they're all used up, you get a new 86400 seconds, We would never waste it if it was money,so why do we waste it when it comes to time? Those seconds are so much more powerful than dollars becasuse you can always make more dollars, you can't always make more time.To realize the value of 1 year, ask a student who failed a grade.To realize the value of 1 month,ask a monther who lost their child in the final month. To realize the value of 1 week, ask the editor of an online magazine. To realize the alue of 1 hour, ask the couple who;s in a long distance relationship. To realize the value of 1 minute, ask the person who just missed a bus,train,or plane, To realize the value of 1 second, ask the person who just missed an accident. To realize the value of a millisecond,ask the person who just camc 2nd at the Olympics.We think that it's people wasting out time,but it's really us giving them the permission to do that. And in reality, these 2 people live inside us, Don't let someone be a priority when all you are to them is an option. Some of us lose the people most important to us because we don't value their time. Some of us don't recoginize how important someone is to us until they're gone.Inside all of us are 2 voices - 1 voice that wants to uplift,1 voice that wang us to expand.1 voice that wangt us to grow. And then ther's the other voice- The voice that holds us back. The voice that makes us lazy. The voice that makes us complacent. The voice that restrists us from out potential.Every day from the moment we wake up until the moment we go to sleep, inside of us there's this battle between the 2 voices. And guess which one wins? The one that we listen to the most.The one that we feed. The one that we amplify.It is our choice of how we use our time.Life and time are the best two teachers. Life teaches us to make good use of time and time teaches us the value of value of Life. And as William Shakepeare said,"Time is very slow for those who want, very fast for those who are scared,very long for those who are sad, and very short for those who celebrate, but for those who love, time is eternal."{bilibili bvid="BV1U24y1X7Z7" page=""/}{bilibili bvid="BV1Le4y1J7oY" page=""/}
