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5 minutes read
Anonymous functions in Elixir are commonly used in situations where a short, simple function needs to be defined on the fly without needing to name it. These functions are often used as arguments to higher-order functions such as Enum.map or Enum.reduce, where the function is only needed temporarily and does not need to be reused elsewhere in the code.
6 minutes read
To transform a complex JSON structure using Groovy, you can utilize the JsonSlurper and JsonBuilder classes that are provided by Groovy.To start, use the JsonSlurper class to parse the input JSON string into a Groovy data structure. This will allow you to easily navigate and manipulate the JSON data within your Groovy script.Next, you can perform any necessary transformations on the parsed JSON data using Groovy methods and logic.
3 minutes read
To compile a single file in Elixir, you can use the elixirc command followed by the path to the file you want to compile. For example, if you have a file named my_file.ex that you want to compile, you can run elixirc my_file.ex in your terminal. This will compile the file and generate a corresponding .beam file that contains the compiled bytecode. Make sure that you have Elixir installed and properly configured on your system before attempting to compile any files.
3 minutes read
To build a URL for a string and add it to a list in Groovy, you can start by creating a new String variable that contains the base URL. You can then concatenate the String with the desired value to create the complete URL. Finally, you can add this URL to a list using the add() method.Here is an example: def baseUrl = "http://www.example.com/" def stringValue = "example" def completeUrl = baseUrl + stringValue def urlList = [] urlList.
5 minutes read
To move data from SQL Server to Oracle, you have a few different options. One common method is to use a tool like SQL Server Integration Services (SSIS) or Oracle Data Integrator (ODI) to extract the data from SQL Server and load it into Oracle.You can also use SQL queries to export the data from SQL Server tables into CSV files, and then import those CSV files into Oracle tables using SQL Loader or another data import tool.
3 minutes read
In Elixir, you can get the memory location of a variable by using the :erlang.process_info/1 function. This function takes the PID (process identifier) of the current process as an argument and returns a map containing information about the process, including the memory usage.
3 minutes read
In Groovy, you can define an empty map of maps by using the following syntax: def mapOfMaps = [:] This creates an empty map that can hold other maps as values. You can then add key-value pairs to this map using the put method. For example: mapOfMaps.put("key1", [:]) This will add an empty map as the value for the key "key1" in the mapOfMaps. You can continue to add more nested maps in a similar manner to create a hierarchical structure of maps within the main map.
5 minutes read
To insert a zero instead of a null in Oracle, you can use the NVL function. The NVL function allows you to replace a null value with a specified value, in this case, zero.For example, if you have a column called "amount" in a table and you want to insert a zero instead of a null value, you can use the following SQL statement:INSERT INTO table_name (amount) VALUES (NVL(column_name, 0));This will insert a zero into the "amount" column if the original value is null.
4 minutes read
In Elixir, you can write to standard input using the IO module. To write to standard input, you can simply use the IO.puts function followed by the message you want to write. For example, you can write to standard input like this: IO.puts("Hello, world!") This will output "Hello, world!" to the standard input. You can also use other functions in the IO module, such as IO.write or IO.inspect, depending on your specific needs.
3 minutes read
To add a list of nodes in an existing node XML in Groovy, you can use the XmlSlurper and MarkupBuilder classes. First, you need to parse the existing XML file using XmlSlurper to get the root node. Then, you can use MarkupBuilder to modify the XML by adding a list of nodes to the existing node. Finally, you can write the modified XML back to a file or use it in your program as needed.How to add nodes with custom attributes to an existing XML document in Groovy.