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Questions tagged [append]

To append is to join or add on to the end of something.

Append is an operation usually defined on 1D data structures (e.g., , , , , etc.).
The append operation adds an element to the end of the data structure, consequently, increasing its size by one.

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Using Python to append large set of data frames to an existing excel file

Following is my code snippet: writer = pd.ExcelWriter(path_file, engine= 'openpyxl') df.to_excel(writer, index= False) df.to_excel(writer, startrow= len(df), index= False) writer.save() df has all the data I need to append. I have a master excel…
arthur6523
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jQuery .html and .append in variable

I want to create a variable with the append and HTML function. The reason is when a person clicks on a div he should be replace the element, otherwise he should add the element instead of replace it. As example, my variable calls: var clicked =…
Appel
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Adding a value to a pre existing dictionary key when importing the data from a text file (Python 3)

I'm trying to create a dictionary by pulling from a text file that looks something like this, Fred beats Amy Fred beats Tom Tom beats Amy Amy beats Jordan Right now I'm using f = open("RockPaperScissors.txt", 'r') fwDict = {} for line…
Jaeger
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What is the best way to overwrite a specific row in a csv by its index in Python 2.7

I have a python script that appends 4 strings to the end of my csv file. The first column is the user's email address, and I want to search the csv to see if that users email address is already in the file, if it is I want to overwrite that whole…
Ecom1414
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jQuery combine appendTo row if existing

I want to combine the duplicate .appendTo item with unique code Instead of having two items I want to combine and add their quantity, If I will add same item their quantity will only rise up not appending new row. Javascript function…
keisaac
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Python appending a list and stopping it

I have to use the append method to get info from the user however I am only suppose to take 10 lines from the user and not suppose to ask them if they have another set of information to enter. Can anyone tell me how to stop a list_append without…
user6157737
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Issues appending text to a TextArea (JavaFX 8)

I am receiving strings from my server that I want to append into a Textarea on the client side (Think chat window). Problem is, when I receive the string, the client freezes. insertUserNameButton.setOnAction((event) -> { …
binerkin
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how to append columns in existing excel sheet using panda in python

import pandas as pd from pandas import ExcelWriter trans=pd.read_csv('HMIS-DICR-2011-12-Manipur-Bishnupur.csv') df=trans[["April 10-11","May 10-11","June 10-11","July 10-11","August 10-11","September 10-11","October 10-11","November…
kumud
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CakePHP: Append default string to Page Titles

I'm setting individual page titles in my controllers' actions using: $this->set( 'title_for_layout', 'Some Title' ); What I want to achieve is append a site title string to all these titles before rendering, i.e. say, "Some Title :: Site Name".…
miCRoSCoPiC_eaRthLinG
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Why does the append method return None with my list?

I know I can use "append()" to add an element to a list, but why does the assignment return None? >>> a=[1,2,3] >>> a.append(4) >>> print a [1, 2, 3, 4] >>> a=a.append(5) >>> print a None >>>
Statham
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How to perform extensive DOM insertion with jQuery append() (in the correct order)?

When I use the jQuery append() method, the resulting HTML output is not in the order I intend. As you see in the test case below, any time I open a DIV tag without closing it, it is closed nevertheless. The same goes for the
    tag - which was…
Jonathan Krantz
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Having Issues Appending to Array in Processing

I am trying to send an array over my serial port. The name of this array is 'send' and initially, it is empty. I want to append integers to this array but I am having issues doing so. I print the array, but it prints out nothing. Can someone help me…
Mustafa
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Applying appendTo for adding a sort node to apply-template

I am trying to programmtically insert an appendTo() method with jquery. I have a formatting stylesheet which formats an xml sheet, but I do it in a third HTML document using jquery and javascript. My original xml is in this format: …
NateH06
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If URL contains 6 digit number append the value to a class

My apologies if this has been answered. I have tried searching however being fresh at this maybe I'm not using the right terminology. I have a page with links to pdfs example below:
BentleyO
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Skip header when writing to an open CSV

I am compiling a load of CSVs into one. The first CSV contains the headers, which I am opening in write mode (maincsv). I am then making a list of all the others which live in a different folder and attempting to append them to the main one. It…
Elnombre
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