Cliché to say, but it’s true that most data scientists spend 70–80% of their time in data clean up before doing any adva

Scp stands for secure copy and allows you to copy files between hosts on a network. One way you can use scp is to copy a file from your machine to a remote server or vice versa. Scp works with SSH.

Contrary to the popular belief, putting 15 CTA’s one next to another, or repeating it under every single section of your landing page won’t necessarily result in higher conversion rates. It will more likely be just extremely irritating to your visitors.

Every developer knows that cd is one of the most frequently used commands on the Linux command line. This command probably doesn’t need any further explanation. However, a lot of developers don’t know about a great option that comes with the cd command: the hyphen.

Make sure that the overall proportion of text and images on the landing page is at least 50:50. The text should be accompanied by images or data visualisations, or it will look too dull and heavy.

In this example, derk is the user and 127.0.0.1 is the host. The address of the host is followed by a colon. After the colon, you specify the path to the file that needs to be copied. The second argument is the destination which in this case is a folder on your own machine. The result of this command is that file.txt gets copied from the server to your local machine’s ~/destination folder.

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ollows closely the book by Simmons. To simplify the algebra, we will let the y-axis pass through the minimum of the curve. The length of the segment from the minimum to the point (x, y) is denoted by s. The three forces acting on the segment are the tensions T₀ and T, and its weight w₀s (see figure below). The first two forces are tangent to the chain.

The tail command often gets used for watching a log file. This is due to the fact that the tail command has got an -f option, which stands for “follow”, that allows you to watch a file. This option will output appended data as the file grows. This means that log entries that get appended to the file will be displayed immediately.

You probably have heard about the cat command which allows you to see the contents of a file. But you’ve got more options when it comes to showing the contents of a file. The cat command outputs the entire file which is not always what you want.

This can be useful when downloading a database backup from the server, for example. If you want to upload something from your machine to the remote host you switch around the parameters.

However, if you’d want to become more comfortable on the command line there are certain commands that you should know. Basic, yet essential, commands that you should be aware of as a developer. Knowing these commands is required in order to build a strong foundation when it comes to working on the command line.

Knowing your way around the terminal is one way to get things done faster. Instead of using your mouse to click around in a GUI, you could just get the exact same job done on the command line — but way faster.

The command is fairly straightforward and works just like the cp command. The only difference is that you can copy files to other hosts with scp which isn’t possible with the normal cp command.

This article is perfect for you if you’re trying to become more comfortable on the Linux command line. It’s perfectly fine if you don’t have that much experience under your belt using the command line, yet. Don’t worry if you’re already comfortable with working on the Linux command line. There still might be a thing or two that you could learn.

Cliché to say, but it’s true that most data scientists spend 70–80% of their time in data clean up before doing any advanced analytics. Even experienced programmers spend a significant amount of time on the internet (i.e. StackOverflow) searching for the right code or syntax for their project. Having an old-fashioned cheatsheet — whether printed on papers or written in a Jupyter notebook — is still a valuable asset. Having the most frequently used codes in one place can save a significant amount of time and energy.

Sometimes you only want to output the first or last X number of lines. You could use the tail or head command for this. The head command outputs the first 10 lines by default, whereas the tail command outputs the last 10 lines.