Course 2948
Course Introduction:Digital signature generation and verification principles, AES and RSA encryption and decryption
Course 13195
Course Introduction:PHP string functions belong to the core part of PHP. No installation is required to use these functions. "PHP Function String String Function Video Explanation" explains the syntax, parameters, return values, etc. of PHP string functions, and runs examples of various string functions in the browser through the PHP editor to help PHP learners learn more Good to learn and use string functions.
Course 2857
Course Introduction:Course introduction: 1. Cross-domain processing, token management, route interception; 2. Real interface debugging, API layer encapsulation; 3. Secondary encapsulation of Echarts and paging components; 4. Vue packaging optimization and answers to common problems.
Course 1795
Course Introduction:Apipost is an API R&D collaboration platform that integrates API design, API debugging, API documentation, and automated testing. It supports grpc, http, websocket, socketio, and socketjs type interface debugging, and supports privatized deployment. Before formally learning ApiPost, you must understand some related concepts, development models, and professional terminology. Apipost official website: https://www.apipost.cn
Course 5521
Course Introduction:(Consult WeChat: phpcn01) The comprehensive practical course aims to consolidate the learning results of the first two stages, achieve flexible application of front-end and PHP core knowledge points, complete your own projects through practical training, and provide guidance on online implementation. Comprehensive practical key practical courses include: social e-commerce system backend development, product management, payment/order management, customer management, distribution/coupon system design, the entire WeChat/Alipay payment process, Alibaba Cloud/Pagoda operation and maintenance, and project online operation. .....
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Course Introduction:Encryption is a technique that changes data by using certain techniques or certain steps so that it changes to another kind of information or from which the previous information cannot be directly collected. For encryption, we have to follow certain steps that are fixed for the specific encryption type. In this question we will be given a string and we have to encrypt it by following the given steps - first we have to get all the substrings containing the same character and replace that substring with a single character followed by The length of the substring. Now, change the length to a hexadecimal value and all characters of the hexadecimal value must be changed to lowercase. Finally, reverse the entire string. ExampleInput1:stringstr="aabbbcccc"
2023-09-08 comment 0 639
Course Introduction:The solution to garbled characters in yii encrypted strings: first use base64_decode($uid) to decode the encrypted data; then use \yii::$app->security->decryptByPassword() to decrypt the data to ensure that it is not garbled.
2020-02-17 comment 0 1444
Course Introduction:Problem We need to write a JavaScript function that receives a string and encrypts it according to the following algorithm - The string contains only space separated words. We need to encrypt each word in the string using the following rules - The first letter needs to be converted to ASCII code. The second letter needs to be swapped with the last letter. So, according to this, the string "good" will be encrypted as "103doo". Example The following is the code - live demonstration conststr='good';constencyptString=(str='')=>{ &a
2023-09-17 comment 0 915
Course Introduction:Method: 1. Use the assign() function to pass the string to the html page, the syntax is "$this->assign("str", string)"; 2. Use "$this->display()" to call the template; 3. Use the md5 function to encrypt and output. The syntax is "{$str|md5}".
2022-02-15 comment 0 3436
Course Introduction:Principle of unidbgOllvm string encryption and parsing: use unicorn's memhook to dump pure data after loading so in the memory. There are two methods: Core method Method 1: Use getBackend() to copy Unicorn's memory hook method. Method 2: Use traceCode() to trace the specified memory segment and hook the memory data. Note that getBackend is driven by Unicorn, so it can only be used on the unicorn engine of dbg. Take getBackend as an example emulator.getBackend().hook_add_new(newWriteHo
2023-05-18 comment 0 1239