Category "loops"

How to use data files of sub-directories and perform iterative operation in python

I have my jupyter notebook (python script) in current directory. In current directory, I have two subfolders, namely a and b. In both directories a and b I have

How to loop over on different files and save the output with filename in R?

I have several files with the names RTDFE, TRYFG, FTYGS, WERTS...like 100 files in txt format. For each file, I'm using the following code and writing the outpu

Hack assembly language - finding the maximum number in RAM

as a task I have to find the maximum number in the RAM locations 10 to 20 and we have to write the solution into RAM[0]. I have a big problem with getting the i

Finding motifs and position of motif in FASTA file - Perl

Can someone help me with this Perl code? When I run it, nothing happens. No errors or anything which is weird to me. It reads in and opens the file just fine. I

Dead code in eclipse when trying to find the sum of an array

I tried to find the sum of any array by using the for loop but the i++ part ended up being the deadcode unreachable. I don't understand why? public static int

iterate through complex nested json array javascript

nested json structure Json Structure: { "id": "30080", "dataelements": { "Name": "abc", }, "children": [ {

My for loop breaks and repeats the output over and over, also I cannot use Dictionaries in this

My code is a WW2 fact machine and for example if you input "1939" the code should print "start of war". If you input a keyword like "Dunkirk" it should work the

How can I loop one frame with ffmpeg? All the other frames should point to the first with no changes, maybe like a recusion

I want to make a long video from a single image in ffmpeg. I need it to be fastly encodeable and at the end the video should have a small file size. Is it pos

Error when renaming columns with plyr in a loop in R

I found similar error but it seems the problem is not the same. for (i in colnames(t[,4:ncol(t)])) { for (j in poids_teff$station) { if (i == j) { t

For Each Loop stops after deleting one row

I am trying to use an if else statement to delete the entire row when a text value is found in a cell within a given range. The code stops after deleting one ro

Iterate through a list of servers in SQL Server

I have a script similar to below and get: Could not find server '@CURSERVER' in sys.servers. Verify that the correct server name was specified. If necessary, e

how to get value of current row in Crystal Reports formula?

I have a formula in Crystal Reports that needs to sum only a certain number of values, but can't seem to figure out how to get the current value of a field for

Creating a palindrome checker with Python's loop and if statements

I am trying to follow the instructions to create a palindrome. I am given half a function, and I have to fill in the blanks. I am currently unable to get the lo

How do to speed up ordinary dataframe loop in python? vectorisation? multiprocess?

I have a simple piece of code. Essentially, I want to speed up my loop that creates a dataframe using dataframes. I haven't found an example and would appreciat

How to read multiple files with specific character or number using a loop in R

I have a directory with a bunch of .tif files like: tnt_xxx_2015.tif, tnt_xxx_2016.tif, tnt_xxx_2017.tif......tnt_xxx_2100.tif. 'tnt' is one of the variable nam

loop that turns on for 1 hour at dusk each day for a year

I've been asked to help an art project that will be collecting the sunlight at dusk for 1 hour each day for a whole year. This is not about efficiency, this is

How to append row from itertuples to dataframe withouth losing the index in Python?

I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723

How to vectorize such an algorithm in python?

I have four (nx1) dimensional arrays named a, b, c, and F. I want to run this algorithm without any loops. for i in range(n): if a[i] < b[i]: F[i

How do I take the repeated values in an array and print out the number of duplicates using a for loop ?(Java)

I have written the following program which takes the duplicates in the doubleArray and adds them to a counter. Then I wrote a for loop to print out the values i

Performance issues when iterating numpy array

I have a 3D array of image such as [ [ [225, 0, 0], [225, 225, 0], ... ], [ [225, 0, 0], [225, 225, 0],