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4 min readTo join and count with multiple conditions in Oracle, you can use the SELECT statement along with the JOIN keyword to combine data from multiple tables. You can specify the conditions for joining the tables by using the ON keyword followed by the conditions.To count the number of records that match multiple conditions, you can use the COUNT function along with the WHERE clause to specify the conditions. You can specify multiple conditions using the AND or OR operators in the WHERE clause.
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5 min readCreating a buffer for video streaming involves storing a small amount of video data in advance to ensure smooth playback without interruptions. This buffer helps to compensate for fluctuations in network or internet speed, as well as any temporary interruptions in the video stream. To create a buffer for video streaming, you can adjust settings in the streaming application or media player to increase the buffer size.
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6 min readTo parse PDF content to a database using PowerShell, you can use a combination of the iTextSharp library for reading PDF files and connecting to a database using ADO.NET or other suitable methods.First, you will need to install the iTextSharp library and import the necessary namespaces in your PowerShell script. Then, you can use iTextSharp to extract text from the PDF file and store it in a variable.Next, establish a connection to your database using ADO.NET or other suitable methods.
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4 min readTo correctly define an array of date type in Oracle, you would first need to determine the size of the array you want to create. Once you have determined the size, you can declare the array using the appropriate syntax for PL/SQL.
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6 min readTo use Node.js Cheerio with Hadoop Streaming, you would first need to create a Node.js script that utilizes Cheerio to parse HTML content. This script would extract the data you want from the HTML documents.Once you have your Node.js script set up, you can then use Hadoop Streaming to process large amounts of data in parallel by sending the HTML content through standard input and output streams.In the Hadoop job configuration, you would specify the Node.
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5 min readTo suppress overflow-checking in PowerShell, you can use the [System.Diagnostics.CodeAnalysis.SuppressMessage] attribute. This attribute allows you to specify the type of issue to suppress and the scope at which it should be suppressed. You can apply this attribute to specific classes, methods, or even individual lines of code to suppress overflow-checking warnings.
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8 min readTo save streaming data to a MATLAB .mat file, you can establish a connection between the streaming source and MATLAB. This can be done using a variety of methods such as using the MATLAB Data Acquisition Toolbox if the streaming data is coming from a sensor or instrument. Once the connection is established, you can write a script in MATLAB to continuously append the streaming data to a .mat file. You can use functions like save or saveappend in MATLAB to save the data in a .mat file.
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7 min readTo connect to Oracle using a service name in Java, you can use the JDBC (Java Database Connectivity) API. First, you need to add the Oracle JDBC driver to your Java project. You can download the driver from the Oracle website and add it to your project's classpath.Next, you can use the following code snippet to establish a connection to Oracle using the service name: import java.sql.Connection; import java.sql.DriverManager; import java.sql.
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2 min readIn PowerShell, the escape character is the backtick (`). When using the escape character in a string, you can use it to escape special characters or characters that have special meanings in PowerShell.To handle the escape character in a string using PowerShell, you can use it before any character that needs to be escaped.
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8 min readTo implement an HTTP/2 streaming client, you need to use a library or framework that supports HTTP/2 protocol. Some popular libraries that support HTTP/2 streaming in various programming languages are OkHttp for Java, gRPC for multiple languages, and Hyper for Rust.Once you have selected a library, you need to establish a connection with the server using the HTTP/2 protocol. This involves sending an initial request to the server and handling the response using the library's API.
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5 min readTo switch the current user using PowerShell, you can use the Start-Process cmdlet with the -Credential parameter. This allows you to launch a new process as a different user.First, you need to create a PSCredential object with the username and password of the user you want to switch to. You can do this using the Get-Credential cmdlet.Next, use the Start-Process cmdlet with the -Credential parameter to run a command or program as the new user.