Posts (page 93)
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8 min readSpooling in Oracle refers to the process of capturing the results of a SQL query or command and saving it to a file. It allows you to generate reports, save data for further analysis, or transfer it to another system. To spool data properly in Oracle, you can follow these steps:Start by opening a SQL*Plus session on your Oracle database. Use the CONNECT command to connect to the desired database or schema.
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5 min readTo get the end date of the last 12 months in Oracle, you can use the following query: SELECT ADD_MONTHS(TRUNC(SYSDATE, 'MM'), -ROWNUM) AS end_date FROM DUAL CONNECT BY LEVEL <= 12; This query uses the ADD_MONTHS function along with TRUNC to get the first day of the current month. By subtracting the ROWNUM from this date and repeating it for 12 times, it will generate 12 rows with the end dates of the last 12 months.
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8 min readThe translate function in Oracle can also be useful for searching and identifying duplicate records in a table. The translate function allows you to replace or remove specific characters from a string. By leveraging this function, you can compare and search for duplicates by eliminating certain characters that may cause discrepancies in the comparison process.
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5 min readIn PHP, you can split the input of a textarea at every line break by using the explode function.
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6 min readTo change a request date in PHP, you can use the built-in DateTime class and its associated methods. Here's an example of how you can achieve this:First, you'll need to capture the original request date from the user or any data source. Let's assume it is stored in a variable called $requestDate. Create a new DateTime object by passing the original request date to the constructor. This will allow you to work with the date and perform various operations on it.
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5 min readTo change ASCII alphabet to UTF-8 in PHP, you can use the utf8_encode() function. This function takes a string as input, which is assumed to be in ISO-8859-1 encoding (which is a superset of ASCII), and converts it to UTF-8 encoding.Here's an example of how you can use it: $asciiString = "Hello World!"; $utf8String = utf8_encode($asciiString); echo $utf8String; In the example above, we have a string $asciiString that contains ASCII characters.
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4 min readTo change a text in PHP, you can use several string manipulation functions which can modify the existing text. Here are some commonly used functions:str_replace: This function replaces all occurrences of a specified value with another value in a string. You can provide the string to search for, the replacement string, and the original string.Example: $text = "Hello World!"; $newText = str_replace("World", "PHP", $text); echo $newText; // Output: Hello PHP.
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4 min readTo access JSON data in PHP, you can follow these steps:Read the JSON data: Start by obtaining the JSON data from a file or an API response. You can use PHP's file_get_contents() function to read data from a file or curl library to retrieve data from an API. Decode the JSON: Once you have the JSON data, you need to convert it into a PHP variable for further processing. PHP provides the json_decode() function that converts the JSON string into an associative array or an object.
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4 min readIn PHP, you can convert an HTML string to an HTML object using the built-in DOMDocument class.
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9 min readTo convert native PHP code to Codeigniter, you need to follow a structured approach. Here are the steps:Setup Codeigniter: First, download and install Codeigniter on your server. Make sure it is set up correctly and is accessible through a web browser. Create a new project: Create a new folder within the Codeigniter installation to house your project files. This folder will serve as the root directory for your application.
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5 min readTo upload and pass variables to the same PHP file, you can follow these steps:First, create an HTML form that allows users to input data and submit it to the PHP file. The form should have an action attribute pointing to the same PHP file, and the method attribute should be set to "POST" or "GET" depending on your preference.Next, in the PHP file, you can access the form data using the $_POST or $_GET superglobal arrays, depending on the method used in the form.
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5 min readTo search a multi-level array in PHP, you can use recursive functions to traverse through each level of the array until you find the desired value.