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4 min readTo use the "like" operator in a MySQL query in Grafana, you can follow these steps:Open the Grafana Dashboard and select the desired database. Go to the Query tab and click on "New Query." In the SELECT statement of your query, specify the column(s) you want to filter with the "like" operator. Use the "like" operator by adding the following syntax: WHERE column_name LIKE 'pattern'.
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7 min readTo switch from C to C++, you need to understand and adapt to the features and concepts introduced in C++. Follow these steps to make a smooth transition:Familiarize Yourself with Object-Oriented Programming (OOP): C++ introduced object-oriented programming concepts like classes, objects, inheritance, and polymorphism. Understand these concepts to leverage the full power of C++. Learn C++ Syntax: Although C and C++ share many similarities in syntax, C++ has additional features and syntax rules.
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7 min readTo turn off CSRF (Cross-Site Request Forgery) protection in a Rails app, you can modify the application's configuration.Open the config/application.rb file in your Rails app. Locate the class Application < Rails::Application line. Inside the class definition, add the following code: config.action_controller.allow_forgery_protection = false Save the file to apply the changes.By setting allow_forgery_protection to false, you disable the CSRF protection for the entire Rails application.
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9 min readSure! Filtering in Grafana allows you to narrow down your data based on certain conditions or criteria. Here's how you can filter using Grafana queries:Open the Grafana dashboard that contains the data you want to filter. Locate the query or panel where you want to apply the filter. This could be a graph, table, or any other visualization. Look for the filter options usually located in the upper-right corner of the panel.
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6 min readRuby and PHP are both popular programming languages used for web development. If you are familiar with Ruby and want to migrate your codebase to PHP, there are a few things you should consider.Syntax Differences: Ruby and PHP have different syntaxes, so you will need to learn the PHP syntax and adapt your code accordingly. For example, variable declarations, loops, and conditionals may have slightly different syntax in PHP.
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8 min readTo find the memory usage difference in Grafana, you can follow these steps:Open Grafana and navigate to the dashboard that displays the relevant memory usage data. Locate the memory usage metric you want to analyze. This could be metrics such as memory usage in percentage, total memory usage, or any other relevant memory metric. Identify the time range for which you want to find the memory usage difference.
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9 min readTo prevent Cross-Site Request Forgery (CSRF) attacks in a RESTful application, you can consider the following measures:Utilize CSRF Tokens: Include a CSRF token in each request that modifies server-side data or performs actions. The token can be generated on the server and associated with the user's session. This token should be embedded in the request headers or payload and validated on the server-side before processing the request.
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8 min readTransitioning from Python to C can be quite a significant step, as the two languages have varying syntax, characteristics, and paradigms. While Python is considered a high-level, interpreted language known for its simplicity and readability, C is a low-level, compiled language focused on efficiency and control.
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6 min readTo delete a single data point in Grafana, you can follow these steps:Open the Grafana web interface and navigate to the desired dashboard.Click on the panel where the data point you want to delete is located. This will open the panel in edit mode.Locate the specific data point you want to remove within the selected panel.Hover over the data point until a small circle or an options icon (three vertical dots) appears near it.Click on the circle or options icon to access additional actions.
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8 min readA CSRF (Cross-Site Request Forgery) attack is a type of web security vulnerability that occurs when an attacker tricks a victim into unknowingly performing actions on a web application that they did not intend to. These attacks often involve the manipulation of cookies or session information to force the victim to unintentionally execute malicious actions on a trusted website.
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8 min readTransitioning from PHP to Java can be a significant change in terms of programming languages. While PHP is a server-side scripting language primarily used for web development, Java is a general-purpose programming language with a wide range of applications.One notable difference between the two is the syntax. PHP uses a more forgiving and flexible syntax, allowing for easier and quicker development. On the other hand, Java has a stricter syntax and requires a more meticulous approach to coding.