Optimizing the PostgreSQL database server’s performance heavily relies on adept memory management. The server’s behavior is governed by settings in the postgres.conf file. While default parameter values are provided, customizing these to align with specific workloads and operational environments can significantly boost efficiency. Understanding PostgreSQL’s Memory Architecture PostgreSQL categorizes memory into two distinct types: Local …
David Cao
To open a port with Python, you typically create a server socket that listens on a specific port for incoming connections. Here’s a simple example of a server that listens on a specific port: import socket # Create a socket object s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # Define the port on which you want to connect …
You can utilize systemd-logind configurations or set up a custom script to terminate idle sessions. Here are the two methods. We have verified on RHEL Linux. Using systemd-logind (For Systems with systemd) Edit logind.conf: Open the /etc/systemd/logind.conf file in a text editor. You’ll need administrative privileges to edit this file. sudo vi /etc/systemd/logind.conf Configure StopIdleSessionSec: …
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The error message “SSL: SSLV3_ALERT_CERTIFICATE_EXPIRED” indicates that the server you’re trying to connect to has an expired SSL certificate. This can cause issues when accessing websites, using APIs, or connecting to any secure service that relies on SSL/TLS for encryption. Here’s a detailed guide on how to fix this error, step-by-step: Verify the Certificate Expiry …
Formatting in Excel is an important aspect that helps make your data more visually appealing and easier to understand. In addition, formatting can also help improve the readability of your Excel tables. One easy way to apply formatting in Excel is by using the Ctrl+Q shortcut. In this article, we will learn how to use …
LEFT function – extract a specified number of characters from the left side of a text string The LEFT function in Excel is used to extract a specified number of characters from the left side of a text string. It’s particularly helpful when you need to parse or work with a portion of text. The …
To find dates that are greater than today’s date in Excel, you can use the IF function combined with a logical comparison. Assuming your dates are in column A starting from A1, you can use the following formula in cell B1: =IF(A1>TODAY(), A1, “”) This formula checks if the date in cell A1 is greater …
In Excel, you can handle comparisons between text values using various methods and functions. Here are some approaches: Equal to (=) Comparison: Use the equal sign (=) to check if two text values are identical. For instance, =A1=B1 will return TRUE if cell A1 and cell B1 have the same text. Exact Function: The EXACT …
The process of dividing data from one column into multiple columns in Excel involves using the “Text to Columns” feature. This function allows users to separate a single column of data into different columns based on specific criteria such as delimiter characters, fixed width, or other separators. Here’s a step-by-step guide on how to achieve …