one struct print filed
c: dat file
/** * 写文件 .dat file. * */ void writingDatFile() { int i; FILE *outFile; float price[] = { 39.5,3.22,1.03 }; string *descrip; //char descrip[] = { "苹果" ......
cpp: read .dat file
/// <summary> /// 打开DAT 文件 /// </summary> void operatefile() { char data[100]; const char* fname = "afile.dat"; // 打开文件. ofstream outfile; outfile.ope ......
The name org.freedesktop.secrets was not provided by any .service files 报错问题
在搭建cicd docker 靶场的时候出现这个问题，由于是第一次遇到，就想记录下来 通过各种搜索资料搜索 发现只要安装如下包就没问题 1 apt -y install gnome-keyring 这样做之后，一切都可以 这样就可以了 ......
Go - Logging to File
Problem: You want to log events to a logfile instead of standard error. Solution: Use the SetOutput function to set the log to write to a file. You us ......
MongoDB playground All In One
MongoDB playground All In One
MongoDB REPL
Node.js
aggregate
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How to get Postman API request code All In One
How to get Postman API request code All In One
Postman can convert an API request into a code snippet, and you can choose the programming language or ... ......
struct：Python二进制数据结构
在C/C++语言中，struct被称为结构体。而在Python中，struct是一个专门的库，用于处理字节串与原生Python数据结构类型之间的转换。 本篇，将详细介绍二进制数据结构struct的使用方式。 ## 函数与Struct类 struct库包含了一组处理结构值得模块级函数，以及一个Stru ......
Snapshot appears to have been created more than one day into the future!
Snapshot appears to have been created more than one day into the future! Raspberry PI 4b上安装freebsd13.2 aarch系统后，使用ssh链接，输入portsnap fetch extract命令，提示： ......
Web3.js All In One
Web3.js All In One Web3 Web3.js A JavaScript library for building on Ethereum Comprehensive. Everything you need to start interacting with the Ethereu ......
How to add a string that contains whitespace to array in shell script All In One
How to add a string that contains whitespace to array in shell script All In One
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Docker|--E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them is required for this operation
错误 apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 871920D1991BC93C E: gnupg, gnupg2 and gnupg1 do not seem to be installed, but one of them ......
Congratulations to Google on its 25th birthday All In One
Congratulations to Google on its 25th birthday All In One
祝贺 Google 25 周岁生日 All In One
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一个思路：实现 golang 中的 `__file__` `__line__` 宏
作者:张富春(ahfuzhang)，转载时请注明作者和引用链接，谢谢！ cnblogs博客 zhihu Github 公众号:一本正经的瞎扯 测试 zaplog 发现，开启 caller 的调用，会使整个服务增加 2% 的损耗。 其实文件及其行号完全可以在编译期加上去，没必要带来运行期的性能损耗。 ......
【文件上传】blob、file、formdata区别
一、简单介绍blob是原始的也是用的最多的；file是input拿到的时候这个格式，从blob继承而来；base64类似于string那种，可以传输方便直接用于图像展示，而blob是原始的。一般base64用于图像展示，而blob、file用于文件上传。二、具体区别 formData就是将form表 ......
How to get the original size of an image using JavaScript All In One
How to get the original size of an image using JavaScript All In One
如何使用 JavaScript 获取一个图片像的原始大小
naturalWidth & naturalHeight
aspect ratio / 纵横比
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filebeat新filestream类型是否支持tail_files类似功能探究
背景 试水搭建ELK，使用了ELK7.17.13版本，filebeat默认配置的input type已经是filestream而非旧版的log类型，开始了探索之旅。 信任ChatGPT导致的三次失败尝试 ChatGPT3.5介绍说filestream是旧版log类型的替代者，提供了更多的功能和改进， ......
How to fix TypeScript error: expression of type can't be used to index type All In One
How to fix TypeScript error: expression of type can't be used to index type All In One
type guard
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[论文阅读] Anomaly detection via reverse distillation from one-class embedding
Anomaly detection via reverse distillation from one-class embedding Introduction 在知识蒸馏（KD）中，知识是在教师-学生（T-S）对中传递的。在无监督异常检测的背景下，由于学生在训练过程中只接触到正常样本，所以当查询是 ......
file文件上传后 添加水印 并且生成file文件 使用formData上传
function hecheng (){ // 创建一个canvas const d2 = testCanvas.getContext('2d'); // 准备图片1 const url = URL.createObjectURL(file.files[0]); var img = document ......
using wget utility to download files while keeping path structure
From man wget: -x, --force-directories: [...] create a hierarchy of directories, even if one would not have been created otherwise. E.g. wget -x http: ......
[888] How to get the directory of the current Python file
To get the directory of the current Python file, you can use the os.path module in combination with the __file__ attribute. Here's how you can do it: ......
Linux shell script if condition control flow methods All In One
Linux shell script if condition control flow methods All In One
if...then...fi / if...then...else..fi / if...then...elif...then...fi
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hive string, map, struct类型的建表和导入数据语句
本文转载于 https://blog.51cto.com/u_14405/6419362，https://blog.csdn.net/tototuzuoquan/article/details/115493697 和 https://blog.csdn.net/weixin_43597208/art ......
Docker: docker-compose file
docker-compose.yaml: version: '3.3' services: nginx: image: nginx:latest ports: - 8080:80 With regards to the preceding docker-compose file, we have t ......
swig/perl5/swig_wrap.cpp:763:20: fatal error: EXTERN.h: No such file or directory
001、问题 002、解决方法 (base) [root@pc1 MaSuRCA-4.1.0]# yum -y install perl-devel 参考：https://www.likecs.com/ask-702675.html 。 ......