Posted: 2022-03-11 09:38:15 Source: https://linuxhint.com/display-top-rows-pyspark-dataframe/
PySpark provides methods like show(), collect(), take(), head() and first() to return the top rows from the PySpark DataFrame. Show() method will return top rows in a tabular format and the remaining methods will return row by row. This article will discuss how to get top rows from PySpark DataFrame.
Posted: 2022-03-11 09:36:50 Source: https://linuxhint.com/convert-pyspark-pandas-dataframe/
PySpark is a Spark module used to provide a similar kind of processing like spark using DataFrame. It provides several methods to return the top rows from the PySpark DataFrame. Pandas is a module used for Data Analysis. This article will show how to convert PySpark DataFrame to Pandas DataFrame.
Posted: 2022-03-11 09:33:05 Source: https://linuxhint.com/add-new-column-pyspark-dataframe/
PySpark is a Spark module used to provide a similar kind of processing like spark using DataFrame. We can add a new column to a PySpark DataFrame using different methods. This article will discuss on how to add a new column using select() and withColumn() functions in a PySpark DataFrame.
Posted: 2022-03-11 09:15:19 Source: http://www.kernel.org/
| Version: | 4.19.234 (longterm) |
|---|---|
| Released: | 2022-03-11 |
| Source: | linux-4.19.234.tar.xz |
| PGP Signature: | linux-4.19.234.tar.sign |
| Patch: | full (incremental) |
| ChangeLog: | ChangeLog-4.19.234 |
Posted: 2022-03-11 09:13:39 Source: http://www.kernel.org/
| Version: | 4.14.271 (longterm) |
|---|---|
| Released: | 2022-03-11 |
| Source: | linux-4.14.271.tar.xz |
| PGP Signature: | linux-4.14.271.tar.sign |
| Patch: | full (incremental) |
| ChangeLog: | ChangeLog-4.14.271 |
Posted: 2022-03-11 09:03:37 Source: http://www.kernel.org/
| Version: | 4.9.306 (longterm) |
|---|---|
| Released: | 2022-03-11 |
| Source: | linux-4.9.306.tar.xz |
| PGP Signature: | linux-4.9.306.tar.sign |
| Patch: | full (incremental) |
| ChangeLog: | ChangeLog-4.9.306 |
Posted: 2022-03-10 20:37:25 Source: https://distrowatch.com/11490
The IPFire distribution is a minimal operating system intended for use on firewalls and routers. The project's latest release includes a new kernel (with Dirty Pipe fixes) along with a number of improvements to the firewall management software. "This update brings a couple of improvements for IPFire's firewall....
Posted: 2022-03-10 18:16:28 Source: https://distrowatch.com/11489
The Zorin OS team has published a new update to the distribution's 16.x series. The latest version, Zorin OS 16.1, includes new hardware support and a new version of LibreOffice for additional document compatibility. "Many built-in system technologies have seen improvements for better security, compatibility and performance. Zorin....
Posted: 2022-03-10 16:10:34 Source: https://www.youtube.com/watch?v=8QUjc2TldoY
Posted: 2022-03-10 16:00:22 Source: https://www.youtube.com/watch?v=Odo6leOY5Fw
Posted: 2022-03-10 15:38:46 Source: https://linuxhint.com/display-special-characters-arduino-uno/
To display the data on LCD using Arduino and to make it more readable or understandable, we can take the help of the customized special characters that can be created by the user. These characters can be of any form like making specific symbols. This article is a detailed guide on what are custom characters and how to display them on LCD using Arduino Uno.
Posted: 2022-03-10 15:23:22 Source: https://linuxhint.com/fix-error-not-declared-in-scope-arduino/
When the compiler of Arduino IDE is unable to recognize any variable or is unable to process any loop or any instruction having any undeclared variable, so it gives the error not declared in this scope, which means that code is unable to understand the instruction given in the Arduino code. This article is a guide on how to fix the not declared in this scope error in Arduino IDE.
Posted: 2022-03-10 13:11:00 Source: https://linuxhint.com/where-array-postgres/
To get the values from a specific memory location of an array, we must use some conditions in our code. The PostgreSQL database also allows keeping arrays as data in its tables. Getting values from the Arrays in PostgreSQL provides us with the “WHERE” clause to query data. This article discusses how to query data from arrays using the WHERE clause.
Posted: 2022-03-10 12:53:52 Source: https://linuxhint.com/rustic-static-string/
Static variables in Rust can have a destructor but that destructor is never run as they have a static lifetime. They never run out of scope in the entire lifetime of the program in which they are declared. In this article, we’ll discuss the concept of static variables in Rust.
Posted: 2022-03-10 12:46:55 Source: https://linuxhint.com/scala-futures/
Scala Futures serve same purpose as threads in any other programming language. It means that by creating a Scala Future for any task that is expected to take a longer time than usual to execute, you can perform other tasks in parallel. In this article, we’ll learn about Scala Futures.
Posted: 2022-03-10 12:33:27 Source: https://linuxhint.com/scala-repl/
The Scala programming language also has a command-line interpreter shell known as REPL. You can create small Scala programs and execute them directly while staying within this shell using this shell. Whichever Scala expression you execute within this shell is first read by REPL and converted into an executable template. How to use Scala REPL in Ubuntu is discussed in this article.
Posted: 2022-03-10 12:14:33 Source: https://linuxhint.com/solve-wordpress-stuck-maintenance-mode-error/
While website maintenance, sometimes we get a “WordPress stuck in maintenance mode” error. This error also prevents the administrator from accessing the dashboard. The maintenance mode error is easy to solve by using different plugins. Remember to keep a large amount of plugins isn’t recommended and may affect your site performance. This article discusses how to repair your WordPress site stuck in maintenance mode.
Posted: 2022-03-10 11:57:07 Source: https://linuxhint.com/write-file-scala/
There is a time when we need to put information into a file, and at the same time, we want to retrieve data from that file. But Scala doesn't have any feature of writing to file. We use printWriter to pass our object inside it. Then, we can write in a file after using a PrintWriter object inside our program. How to Write to File in Scala is discussed in this article.
Posted: 2022-03-10 11:49:31 Source: https://linuxhint.com/square-brackets-latex/
Brackets are signs, some of which are usually accustomed group statements or explain the sequence in which actions are to be performed inside an algebraic equation. In mathematical formulae, parentheses and braces are particularly prevalent. This article discusses how to alter the style and size of square parentheses in LATEX.
Posted: 2022-03-10 11:21:51 Source: https://linuxhint.com/www2-guide/
The Internet is a crucial pathway to the Web, and with the Internet’s presence almost anywhere, information can be obtained with just a tap of a finger. At times you might have noticed ‘www2’, or the presence of any other number after ‘www’, instead of just the plain ‘www’ before the website’s name. What is www2 is discussed in this article.