Is there a way to iterate across files in R? Fortunately, it’s not complicated to use R to systematically iterate across files. There are multiple ways to find or choose the names of the files you want to analyze. You can explicitly state the file names or you can get R to find any files […]
Category: Blog
What is latest Red Hat Linux version?
What is latest Red Hat Linux version? Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 8 (Ootpa) is based on Fedora 28, upstream Linux kernel 4.18, systemd 239, and GNOME 3.28. The first beta was announced on 14 November 2018. Red Hat Enterprise Linux 8 was officially released on 2019-05-07. Is Red Hat 5 […]
How to remove duplicate words and repeated keywords?
How to remove duplicate words and repeated keywords? To remove a next batch of repeating words, click on the [Clear] button first, then paste the text content with repeating words that you would like to process. one one two two three four four five six six one two three four five six Original OrderReverse OrderABC […]
How to sum an array of iNTS in Java?
How to sum an array of iNTS in Java? Just 1 line of code which will sum the array. public int sumAll (int… nums) { //var-args to let the caller pass an arbitrary number of int int sum = 0; //start with 0 for (int n : nums) { //this won’t execute if no argument […]
How to filter for unique values or remove duplicate values?
How to filter for unique values or remove duplicate values? More… In Excel, there are several ways to filter for unique values—or remove duplicate values: To filter for unique values, click Data > Sort & Filter > Advanced. To remove duplicate values, click Data > Data Tools > Remove Duplicates. How to remove duplicate values […]
How are filters used to prevent SQL injection?
How are filters used to prevent SQL injection? In some situations, an application that is vulnerable to SQL injection (SQLi) may implement various input filters that prevent you from exploiting the flaw without restrictions. For example, the application may remove or sanitize certain characters or may block common SQL keywords. When do you not need […]
How do you use strings in STL?
How do you use strings in STL? Operator<< : Insert string into stream . Getline : Get line from stream into string…. library in C++ STL String. constructor : Construct string object (public member function ). String.destructor : String destructor (public member function ) String.operator= : String assignment (public member function ) Is string class […]
What is the relationship between a bounded context and a domain model?
What is the relationship between a bounded context and a domain model? Each bounded context contains a domain model that represents a particular subdomain of the larger application. Within a bounded context, apply tactical DDD patterns to define entities, aggregates, and domain services. Use the results from the previous step to identify the microservices in […]
What happens when you get a blue screen on your computer?
What happens when you get a blue screen on your computer? A blue screen occurs when Windows encounters a “STOP Error.” This critical failure causes Windows to crash and stop working. The only thing Windows can do at that point is restart the PC. This can lead to data loss, as programs don’t have a […]
How do I get rid of trailing zeros in SQL?
How do I get rid of trailing zeros in SQL? Convert it to string using STR TSQL function if not string, Then. Remove both leading & trailing zeros SELECT REPLACE(RTRIM(LTRIM(REPLACE(AccNo,’0′,’ ‘))),’ ‘,’0’) AccNo FROM @BankAccount. How do you remove trailing zeros in Pyspark? Remove leading zero of column in pyspark We use regexp_replace() function with […]