Posts (page 23)
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4 min readIn Laravel blade templates, the "@" symbol is used as a special directive to indicate that a specific PHP code block or function should be executed. It is followed by a keyword or command that tells Laravel how to process the code. This allows developers to mix PHP code seamlessly with HTML markup, making it easier to work with dynamic data and logic within a view file.
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3 min readTo get the column list of synonyms in Oracle, you can query the DBA_SYNONYMS data dictionary view. This view contains information about the synonyms defined in the database, including the columns they reference. By querying this view, you can retrieve the column list of synonyms in Oracle.[rating:91088293-8081-4d22-90ad-700182aeaeb7]How to list all synonyms owned by a specific user in Oracle.
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8 min readTo intercept a new file on S3 using Laravel queues, you can start by setting up a Laravel queue listener that monitors the S3 bucket for new files. You can achieve this by creating a queue worker that is constantly running and checks for new files in the S3 bucket.When a new file is uploaded to the S3 bucket, you can use an event listener to detect the new file and dispatch a job to handle the file processing.
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4 min readIn Oracle DB, the 'NSL' character refers to the National Language Support setting for the database. This setting determines the language and territory preferences for sorting, formatting, and displaying data in the database. The NSL character is used to define the character set and linguistic sorting behavior for the database. It is important to configure the NSL settings correctly to ensure proper handling of language-specific data within the Oracle database.
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5 min readTo catch a timeout exception in Laravel queue, you can use the onConnection method when dispatching a job to specify a timeout value. This will set a maximum time limit for the job to complete. If the job exceeds this timeout, a timeout exception will be thrown. You can then catch this exception using a try-catch block and handle it as needed in your application logic. Additionally, you can also configure the retry_after value in your queue.
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5 min readTo parse text in an Oracle query, you can use various string functions such as SUBSTR, INSTR, and REGEXP functions. These functions help in extracting specific parts of the text, splitting text based on delimiters, and performing pattern matching respectively. By combining these functions with the SELECT statement in your query, you can effectively parse text data stored in Oracle tables. Additionally, you can also use PL/SQL blocks and cursors for more complex parsing requirements.
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3 min readTo use the sum query in Laravel, you can utilize the sum() method provided by the Query Builder. This method allows you to calculate the sum of a specific column in a database table. You can specify the column you want to calculate the sum for within the sum() method, and then execute the query to retrieve the calculated sum.
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5 min readTo remove a table from the cache in Oracle, you can use the ALTER TABLE command with the NOCACHE option. By specifying this option, you are indicating that the table should not be cached in the buffer cache. This means that data from the table will not be stored in memory, but will be read and written directly to disk. This can be useful if you have tables that are large and infrequently accessed, as it can help to free up space in the buffer cache for more frequently accessed data.
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5 min readTo execute an external PHP script using Laravel commands, you can use the exec() function provided by PHP. This function allows you to run shell commands and return the output.You can create a Laravel command and use the exec() function to run the external PHP script within the command's handle() method. You can pass the path to the external PHP script as an argument to the exec() function.
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5 min readConverting Oracle triggers to MySQL involves re-writing the trigger logic in MySQL syntax. Oracle triggers are written in PL/SQL while MySQL triggers are written in SQL. This means that you will need to understand the differences in syntax and functionality between the two database systems.When converting Oracle triggers to MySQL, it is important to keep in mind that not all features and functionalities may have direct equivalents in MySQL.
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5 min readIn Laravel, you can load nested relationships using eager loading. Eager loading allows you to load multiple relationships at once when querying your database. To load nested relationships, you can use the with method when querying your models.For example, if you have a User model that has a posts relationship, and each Post has a comments relationship, you can load both relationships like this: $user = User::with('posts.
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4 min readTo convert comma separated values to rows in Oracle, you can use the SQL function "REGEXP_SUBSTR" along with a recursive SQL query. First, use the function to extract individual values from the comma-separated list. Then, use a recursive query to iterate through each value and insert it into a new row in a temporary table. This process may involve creating a separate table, using a loop to iterate through the values, and inserting them into rows accordingly.