Create a list of keys/columns - object method to_list() and the Pythonic way: my_dataframe.keys().to_list() list(my_dataframe.keys()) Basic iteration on a DataFrame returns column labels: [column for column in my_dataframe] Do not convert a DataFrame into a list, just to get the column labels.

Feb 28, 2012 · Building on joran's answer, and precising it: The sapply(USE.NAMES=T) wrapper will indeed set as names of the final result the values of the vector you are iterating over (and not its names attribute like lapply), but only if these are characters.

Jul 28, 2016 · However, the reason that your second approach (names(filList[i]) <- ) does not work is NOT that "you create a unbound temporary variable whose names you change but which never matters since its just a temporary variable" but rather that the default sub-setting assignment operator [<-does not transfer names (which makes sense since names are ...

To only edit certain entries in the list, specify an index: names(l)[1] <- "new_name" l # $`new_name` # [1] 123123 12123 123123 # # $`2015` # [1] 123123 12123 123123 If you'd like to know more about the different data types in R, I can recommend Hadley Wickham's summary.

May 17, 2017 · But the object (the [1, 2, 3] list) is still existing, but because it was wrapped in another list it's doesn't even have a "name" anymore. Just the outer list could have a name when the returned value was stored in a variable.

Jun 4, 2015 · To generate a list with a Windows CMD .bat file to ping devices on the network, do the following. Create a .bat file with a loop that uses the ping command to send a ping to each of the possible usable addresses on your network. I use the -a and -n 1 options on the ping command to send a single ping, -n 1, with a request to give me the hostname.

Mar 11, 2015 · To print specific file present in the folders/sub-folders for eg : If you want to list just the csv files then : dir /b/s/A-D/o:gn *.csv >list.txt If you want to also include .xlsx files then the code is : dir /b/s/A-D/o:gn *.csv *.xlsx >list.txt You can mention more file types in the same way. P.S Got to know this one from chatgpt :P

Jul 26, 2010 · This command will give you a list of all top-level objects inside an AWS S3 bucket: aws s3 ls bucket-name. This command will give you a list of ALL objects inside an AWS S3 bucket: aws s3 ls bucket-name --recursive. This command will place a list of ALL inside an AWS S3 bucket... inside a text file in your current directory:

Aug 9, 2010 · In the general case, I see little harm in displaying enum value names to the user, especially names conforming to the C# naming standards (CamelCase). The integer values corresponding to those names are probably not a good idea to display, and full information based on the enum value would probably be preferable, but I don't see harm in it.

Jan 21, 2017 · This question arises from trying to manage my home wifi network. I've been toying with commands such as get-netipaddress, ipconfig and nslookup.exe. The following command has kind of led me somewh...