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- Want to become a Linux master? Full analysis of mkdir, cat, touch command syntax and examples
- Directory mkdir command sentence pattern command format command function command parameter mkdir command example Example 1: Create an empty directory Example 2: Create multiple directories recursively Example 3: Create a directory with permissions 777 Example 4: Create a new directory and display information Example 5: Directory structure of a project created by a command cat command sentence pattern command format command function command parameter cat command example Example 1: Add the line number to the file content of log2012.log and enter log2013.log into the file Example 2: Add log2012.log and log2013 Add the line number to the .log file content (blank lines are not added) and then append the content to log.log. Example 3: Use heredoc to create files in the next life
- Linux . regular-expression 209 2024-06-13 19:58:44
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- Detailed explanation of haproxy
- 1. Install haproxy. CentOS comes with haproxy, but the version may be older. The latest stable version of haproxy can be found on the IUS repository. cat
- Linux . regular-expression 328 2024-06-10 11:43:58
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- Linux chmod command Master these common Linux commands and easily control the Linux system
- There are indeed many Linux commands, but people who are familiar with Linux will never be troubled by too many Linux commands. Because we only need to master common commands to fully control Linux. Next, let’s go up and take a look at these commonly used Linux commands! 1. File directory operation 1.ls command The ls command can not only view the files contained in the Linux folder, but also view file permissions (including directory, folder, file permissions), view directory information, etc. Command format ls [options] [directory name] Common parameter usage examples 1. List detailed information on all files and directories in the home directory. ls-a-l/homels-al/home2. List the current directory
- Linux . regular-expression 194 2024-06-07 12:02:31
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- LLM | Yuan 2.0-M32: Expert Mixture Model with Attention Routing
- Picture 1. The conclusion is written above. Yuan+2.0-M32 is an infrastructure, similar to Yuan-2.0+2B, using an expert hybrid architecture containing 32 experts. 2 of these experts are active. An expert hybrid architecture containing 32 experts is proposed and adopted to select experts more efficiently. Compared with the model using the classic routing network, the accuracy rate is improved by 3.8%. Yuan+2.0-M32 is trained from scratch, using 2000B tokens, and its training consumption is only 9.25% of that of a dense ensemble model of the same parameter size. In order to better select experts, the attention router is introduced, which has the ability to sense quickly and thus enable better selection of experts. Yuan2.0-
- AI . regular-expression 392 2024-06-07 09:06:30
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- What are the security vulnerabilities in the Golang framework and how to prevent them?
- Possible security vulnerabilities in the Golang framework include: SQL injection, XSS, CSRF, file inclusion, and path traversal. To prevent these vulnerabilities, the following measures should be taken: input validation; output escaping; enable CSRF tokens; limit file inclusion; enable path traversal protection.
- Golang . regular-expression 591 2024-06-06 12:02:58
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- How to find the first substring matched by a Golang regular expression?
- The FindStringSubmatch function finds the first substring matched by a regular expression: the function returns a slice containing the matching substring, with the first element being the entire matched string and subsequent elements being individual substrings. Code example: regexp.FindStringSubmatch(text,pattern) returns a slice of matching substrings. Practical case: It can be used to match the domain name in the email address, for example: email:="[email protected]", pattern:=@([^\s]+)$ to get the domain name match[1].
- Golang . regular-expression 609 2024-06-06 10:51:00
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- Which PHP framework provides the most flexible routing system for handling complex URL structures?
- For handling complex URL structures, Laravel is the framework of choice, with its flexible routing system supporting dynamic parameters, regular expressions, and optional parameters. In practical cases, Laravel can easily route requests by defining custom routing rules, and Symfony and Slim also provide similar functions.
- PHP Tutorial . regular-expression 434 2024-06-05 21:43:00
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- How to customize exception information?
- Using custom exception information in Python can understand and solve problems more clearly. Among them, the raise statement can throw an exception and pass in error information. For example, in the example, the ValueError exception passes in custom information "Age cannot be a negative number", and a similar method can be used when dealing with invalid email addresses.
- C++ . regular-expression 665 2024-06-05 19:05:02
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- How to validate phone number using regular expression in Go?
- The steps to validate a phone number using regular expressions in Go are as follows: Write a regular expression to match a phone number in the expected format. Use regexp.MustCompile() to compile regular expressions. Call the re.MatchString() method to check whether the phone number matches the regular expression. Print a verification message based on the match result. This technology can be used in a variety of applications, including validating user input, extracting phone numbers from text, and formatting contact information.
- Golang . regular-expression 340 2024-06-05 16:24:00
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- Guide to secure coding in PHP frameworks
- Prevent security vulnerabilities in the PHP framework: ① Use prepared statements to avoid SQL injection. ②Escape HTML content to prevent XSS attacks. ③ Filter user input to verify correctness. ④ Disable dangerous functions such as eval() and system(). ⑤Use safe_require() or require_once() for safe file inclusion.
- PHP Tutorial . regular-expression 739 2024-06-05 14:32:01
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- PHP e-commerce system development guide security measures
- When adopting PHP for e-commerce systems, key security measures include: Using HTTPS to encrypt communications. Store passwords securely, using hashing algorithms. Prevent cross-site scripting attacks (XSS). To defend against injection attacks, use preprocessed queries. Validate user input using filters and regular expressions. Use a security framework like Laravel or Symfony. Follow best practices, including updating your software regularly, implementing a firewall, using a secure payment gateway, and developing security awareness.
- PHP Tutorial . regular-expression 379 2024-06-05 13:34:57
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- Java framework security vulnerability analysis and solutions
- Analysis of Java framework security vulnerabilities shows that XSS, SQL injection and SSRF are common vulnerabilities. Solutions include: using security framework versions, input validation, output encoding, preventing SQL injection, using CSRF protection, disabling unnecessary features, setting security headers. In actual cases, the ApacheStruts2OGNL injection vulnerability can be solved by updating the framework version and using the OGNL expression checking tool.
- Java Tutorial . regular-expression 811 2024-06-04 18:34:01
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- How to improve security using golang framework?
- Golang application security can be improved through the following steps: Encryption and authentication: Use crypto/tls and crypto/bcrypt to encrypt data, and use oauth2 for authentication. Input validation: Use validator and regexp to verify user input to prevent malicious attacks. SQL injection protection: Use the sqlx query builder and database/sqlScan methods to protect against SQL injection.
- Golang . regular-expression 910 2024-06-04 18:18:00
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- Secure Programming in Java: How to Cultivate a Security Culture?
- Java developers can foster a culture of security and build secure applications by following best practices: Detect security vulnerabilities using static code analysis. Leverage security libraries such as encryption and authentication tools. Implement user input validation, checking expected formats and values. Follow established secure coding guidelines such as OWASPTop10. Continuous education to stay up to date on the latest security policies and threats.
- Java Tutorial . regular-expression 734 2024-06-04 17:31:01
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- How does Java framework improve the security of enterprise-level applications?
- The Java framework provides five security enhancement methods for enterprise-level applications: input validation, data encryption, session management, access control, and exception handling. They protect applications from malicious threats through input validation tools, encryption mechanisms, session identification, access restrictions, and exception catching.
- Java Tutorial . regular-expression 531 2024-06-04 17:17:00
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