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4 min readTo convert the date and time format from "yyyy-mm-dd hh:mm:ss" to "hh:mm:ss" in MySQL, you can use the DATE_FORMAT() function. This function allows you to format the date and time values as per your requirement.
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7 min readAdding a wireless printer to a Windows 7 computer is a relatively straightforward process. Here are the steps involved:Ensure that your wireless printer is turned on and connected to the same Wi-Fi network as your computer. Click on the "Start" button on your Windows 7 computer and select "Devices and Printers" from the right-hand menu. In the Devices and Printers window, click on the "Add a printer" button located at the top of the window.
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8 min readCombining two MySQL tables in Node.js involves performing a join operation in the MySQL database. Here are the steps you can follow:First, ensure that you have the required MySQL module installed.
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10 min readTo connect a wireless printer to a new router, you typically need to follow these steps:Start by turning on your wireless printer and locating the setup or configuration button on it. Press and hold the setup button for a few seconds until the wireless light starts blinking. This puts your printer in a configuration or setup mode. Locate the WPS (Wi-Fi Protected Setup) button on your new router. It is usually located on the back or side of the router.
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8 min readTo adjust DPI (Dots Per Inch) settings on a Logitech mouse, you can follow these steps:Connect your Logitech mouse to your computer via USB or wireless connection. Ensure that it is properly paired and functioning. Install the Logitech G HUB software on your computer if it is not already installed. You can download it from the Logitech website. G HUB is the official software for configuring Logitech gaming devices, including mice.
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4 min readIn MySQL, the sum() function is used to calculate the sum of values in a specified column or expression. It is often used in combination with the SELECT statement to retrieve aggregated data from a database table.To use sum() in a MySQL expression:Start by writing a SELECT statement to specify the columns you want to retrieve along with the sum of a specific column. In the SELECT clause, use the sum() function followed by an expression or column name whose values you want to add up.
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9 min readSharing a wireless printer on a network allows multiple devices to use the same printer wirelessly. Here's how you can do it:Connect the printer to the network: Ensure that your printer is connected to the same Wi-Fi network as the devices you want to print from. You may need to follow the printer's manual or on-screen instructions to connect it to the wireless network. Install printer software: Install the printer software on each device you want to print from.
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8 min readTo insert JSON data into a MySQL database, you can follow these steps:Create a database table with a column that has the JSON data type. You can use the JSON or JSONB data type depending on your requirements. Connect to your MySQL database using a programming language like PHP, Python, or Java. Prepare an SQL INSERT statement to insert data into the table. Use the INSERT INTO statement followed by the table name and column(s) names.
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9 min readPrinting wirelessly from a laptop can significantly enhance your productivity and convenience. Here's a step-by-step guide on how to print wirelessly from your laptop:Make sure your laptop and printer are connected to the same Wi-Fi network. Your printer should have Wi-Fi capabilities for wireless printing. Install the necessary printer drivers and software on your laptop. Usually, these can be downloaded from the manufacturer's website.
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7 min readTo find the history of commands run on MySQL, you can follow these steps:Open your MySQL command line interface or terminal.Log in to MySQL using appropriate credentials. For example: mysql -u username -p.Once logged in, you need to make sure MySQL is configured to store command history. This can be checked by running the following command: SHOW VARIABLES LIKE 'history'; It should show the value of history as ON.
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7 min readSetting up a wireless printer on a Chromebook is a straightforward process. Here's a brief explanation of how to do it:Ensure both your Chromebook and wireless printer are turned on and connected to the same Wi-Fi network. Click on the time section in the bottom right corner of your Chromebook's screen. In the small window that appears, click on the Wi-Fi symbol to open your Wi-Fi settings.