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Stream is a new abstract layer introduced in Java 8. Using stream, you can process data in a declarative way similar to SQL statements. For example, consider the following SQL statement. SELECT max(salary), employee_id, employee_name FROM Employee The above SQL expression automatically returns the maximum salaried employee's details, without doing any computation on the developer's end. Using collections framework in Java, a developer has to use loops and make repeated checks. Another concern is efficiency; as multi-core processors are available at ease, a Java developer has to write parallel code processing that can be pretty error-prone. To resolve ... Read More
The array is given. Our task is to convert an array to an ordinary list. We solve this problem with the help of tolist() function. This function return the array as a (possibly nested) list. Algorithm Step 1: Given an array. Step 2: convert the array to a list using tolist() function. Step 3: Display list Example Code #Python program to convert an array to an ordinary #list with the same items from array import * def arraytolist(A): lst = A.tolist() # list print("The List Is ::>",lst) # Driver code A= array('i', [20,30,60]) # array arraytolist(A) Output The List Is ::> [20, 30, 60] The List Is ::> [20, 30, 60]
To control the files and the io, we should use the fcntl module. It is basically one interface to the fcntl() and ioctl() Unix routines. All methods in this module takes one integer or io.IOBase file-descriptor as their first argument. To use this module, we should import it using. import fcntl There are some modules of the fcntl module, these are − Method fcntl.fcntl(fd, op[, arg]) This method is used to perform the operation on the file using file descriptor. The operation is defined by op. The third argument is optional. It can be either integer type value ... Read More
C# is a programming language and .NET is a framework. .NET has Common Language Runtime (CLR), which is a virtual component of .NET framework. .NET not only has C#, but through it, you can work with VB, F#, etc. C# is a part of .NET and has the following features − Boolean Conditions Automatic Garbage Collection Standard Library Assembly Versioning Properties and Events Delegates and Events Management Easy-to-use Generics Indexers Conditional Compilation Simple Multithreading LINQ and Lambda Expressions Integration with Windows
To use the UNIX command pipeline mechanism using python. In the command pipelining a sequence converts from one file to another file. This module uses /bin/sh command line. So we need os.system() and os.popen() methods. To use this module, we should import it using − import pipes The pipes holds Template class − class pipes.Template This class is basically an abstraction of a pipeline. It has different methods. These are as follows. Method Template.reset() This method is used to restore the pipeline template to its initial position. Method Template.clone() This method is used to create another new, ... Read More
In order to swap two strings i.e interchange the content of two strings we will use sub string method of string class in Java.First of all get the length of both strings before making any change in any of string.Now modify one string as concatenate both strings and assign to one string. After this use sub string method of String class using begin index as length of new modified string 1 and last index as initial length of string 1.This will give us the swiped string 1 which contain content of string 2. Now to get swiped string 2 again ... Read More
To measure the UNIX resource usage, we need to use the resource module into our programs. This module also can control the resource utilization. To use this module, we should import it using − import resource Resource Limits In this module we can use the setrlimit() to limit the resource utilization. There are two parameters to limit the resources. These parameters are soft limit and the hard limit. The soft limit is basically the current limit, it can be changed over process, but it cannot exceed the hard limit. The hard limit can be reduced to any value ... Read More
In 8085 Instruction set, SBI is a mnemonic that stands for “Subtract with Borrow Immediate from Accumulator” and here d8 stands for any 8-bit data as operand. This instruction is used to subtract 8-bit immediate data from the Accumulator along with the carry (borrow) value. The result of subtraction will be stored in the Accumulator. As this is an arithmetic instruction, so the flags are affected based on the result produced. It occupies 2 consecutive Bytes in memory. Mnemonics, Operand Opcode(in HEX) Bytes SBI Data DE 2 Let us consider SBI 13H as a ... Read More
C++17 is the latest version of standard C++ language. C++11 and C++14 are the previous versions of C++. The current version makes several additions to the core language while some previous features are also removed. C++17 is known as feature full or feature complete. There are some of the new changes introduced in C++17 − Library changes - utils This is one of the most amazing feature of C++17. It merges the features and patterns of other libraries. Many of the sub-libraries are merged together into standards. The following features are added to utils library in C++17 − std::variant ... Read More
To get the UNIX syslog library information, we need to use the syslog module into our programs. This module has syslog has different modules for the syslog library. To use this module, we should import it using − import syslog The methods are like below − Method syslog.syslog(message) or syslog.syslog(priority, message) This method is used to send a string type message to the system logger. Each message has a priority. The priority argument can be used to set the priority of the given message. Method syslog.openlog([ident[, logoption[, facility]]]) This method is used to logging options of subsequent syslog ... Read More