Course Intermediate 10915
Course Introduction:"Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.
Course Advanced 16859
Course Introduction:"Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.
Course Advanced 10575
Course Introduction:"Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.
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Course Introduction:Title: Step sharing and specific code examples for modifying the time format in Oracle database. In Oracle database, the display of time format is crucial for data analysis and report output. The correct time format can make the data more intuitive and clear, and improve the efficiency of data processing. In practical applications, sometimes we need to modify the time field in the database to a specific format, which requires time format conversion. Next, this article will share the specific steps to modify the time format in the Oracle database, and provide code examples to
2024-03-06 comment 0 506
Course Introduction:Data visualization is the process of converting complex data into easy-to-understand visual representations. It's critical for effectively communicating insights, identifying trends, and making informed decisions. In recent years, python has become the language of choice for data visualization, thanks to its extensive libraries and easy-to-use syntax. Interactive Charts Python provides several libraries for creating interactive charts and dashboards, such as Plotly, Bokeh, and Altair. These libraries enable data scientists to create charts that respond to user input and provide interactive experiences. For example, Plotly can create 3D scatter plots, heat maps, and geographic maps, allowing users to explore data and identify patterns. importplotly.expressaspx#Create cross
2024-03-09 comment 0 1206
Course Introduction:The MySQLFORMAT() function converts numbers to formats such as #, ###, ###.###, rounds to the specified number of decimal places, and returns the result as a string. It can be used to retrieve the values of columns with the specified format. Output of decimal values. To understand it, let's take the table "estimated_cost" as an example, which contains the following data -mysql>Select*fromestimated_cost;+----+-----------------+-- ----------+---------------+|Id|Name_Company |Te
2023-09-09 comment 0 1262
Course Introduction:1. When entering the value 22 in C1, an error occurs as shown in the figure:. 2. The reason for this problem can be seen from the pop-up error message: the input data does not meet the requirements. We can check the required format of the data through data validity. 3. Select C1 and click the menu "Data" "Data Validity" under ". 4. As can be seen in the pop-up window, cell C1 limits its format to only numerical values, and its value must be between 1 and 10 [inclusive]. 5. It can be seen here that as long as you enter a value between 1 and 10 [including 1 and 10], this error will not occur.
2024-03-30 comment 0 612
Course Introduction:First select all the text, then click [Insert]-[Table]-[Convert text to table]. Then set the number of columns of the table in the pop-up window, and then select comma in the text separation position. If it is other characters, click on other characters and enter the corresponding characters. Finally, click OK and the text will be converted into a table. Then choose a color you like, save it and give it to the boss. But your boss asks you to convert the data in the table into text again, so what should you do? It doesn't matter. First, we select all the content in the table, click [Layout] in the table tool above, and then click Convert to Text. Select [Tab] in the window that appears, click OK, and the table will be converted into text again.
2024-04-26 comment 0 254