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python - For loop doesn't append info correctly into 2D array

I have created an empty 2D array. When I try to add stuff inside of it, it doesn't do so properly. Each ... have its own fruit and number 0. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Getting the count of unique values for elements with regex in datatable

I have a data table that has a structure like: <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3. ... values i.e. 12345,4566,2566. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Not Getting Data From Firebase on ListView With FirebaseListAdapter

The Problem with this code is that the data is not showing in listview and the app is also not showing any ... textSize="25sp"/> </LinearLayout> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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computer science - My Java code is giving me an out of bounds error

How can I find out why this keeps giving me out of bounds errors? If anyone can, could someone ... .main(Arrays_Lab15_maximusArrays.java:52) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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binary search tree - TreeNode cannot be cast to java.lang.Comparable?

i am trying to write a method that returns the parent for the specified node (BST), i keep getting this: TreeNode ... list.getParent(node)); } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Check if dynamically created element has class

I want to check if an element exists on the page with a specified class (that's created dynamically.) The ... t want to use Document.onload. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php - how to Send & symbol in xml body to server

I am trying to send the & symbol to the server in an XML body but only received a blank. I tried HTML code to send this also but in vain. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Extracting substring from a filename and saving it to a variable in SSIS

I am not able to extract filename and save it to a variable in SSIS. I am trying to save a sub ... TaskResult = (int)ScriptResults.Success; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - AngularJS check if promise is empty or not

Hi I have this code for the purpose of checking if there are users in the database, if it finds shows a list of ... .url('/UsersList') } }); See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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filter - dplyr Error: length(rows) == 1 is not TRUE in R

As some background, the data I'm working with is from ranking top 3 of certain variables. I need to be able to count ... 17 3 30 4 NA 149 NA 86 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How is.integer() works in R

I have a data frame of numerics,integers and string. I would like to check which columns are integers and I ... the 'is.integer' function? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to implement two OnClickListeners on RecyclerView item click?

I'm quite confused since I need to use two OnClickListeners for two different needs. I have a Recyclerview ... I described. THANKS HELPERS! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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arrays - Java - ArrayOutOfBoundsException help me

import java.util.*; import java.util.Arrays; public class ScoreCalc { public static void main(String[] args) ... alphabet can someone help plz! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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odoo 9 - Adding notes to order items in restaurant POS

Is there a way to add special instructions or to add a note to restaurant POS orders, like select a pizza, ... people have such a requirement. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - how can i return JSONObject data as array

I am trying to return the data from a JSONObject as array so i can loop through them. followed android development ... ); } return resultStrs; } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - How to define string literal with character type that depends on template parameter?

template<typename CharType> class StringTraits { public: static const CharType NULL_CHAR = ''; static constexpr CharType ... a template class? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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xml - XSLT :Condition for check if null and empty element then only assign value to other element

We have input XML.In that,StockCode element is empty for many line items (OrderLineID elements). For all empty ... > </Orders> </SalesOrders> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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matlab - Detecting edge only in particular portion of an image

I want to detect the edge only in the red marked region as shown in the image below: See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to produce sum of each column in sql?

i am trying to do column wise addition in Gridview but couldn't. like i am filling gridview from store procedure ... front end i.e. gridview See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Tensorflow loading unlabeled local data

Let's say, I am training an autoencoder (so I need to define the input dataset, and ... =(validation_low_iterator, validation_high_iterator) ) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to highlight a row of multiple list boxes on hover in asp.net?

I have 2 listboxes, currently I can mouseover the listbox and highlight an item on mouseover. But I want it such ... the codes I tried worked. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php - 404 error in front end and admin of magento after changing store view to a new store

I have 1 website , 2 stores and 2 store views ...ym and main store, I needed the main store view to be the ... 4 weeks and almost done with it. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - Why is setting onClickListener working once?

I want to migrate a very solid project structure that I use to Kotlin. I first tried the basics: Activities ... is so frustrating? Thank you. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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vba - Add lines and duplicate data a set number of times

I am trying to write a VBA Excel Macro to look through hundreds of thousands of lines of data to make sure ... nMonths).Insert Next lRow End Sub See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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append - Python appending error

x = [] with open(filechoice) as fileobj: for word in fileobj: for ch in word: f = ord(ch) x = x.append( ... 'append'" How can I fix this error? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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android - How to get the total count in cart using Recyclerview Adapter

Hi I am using Recyclerview with Adapter in my Android application. In my app I have product listing screen, where ... data: Product,count:Int) } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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selenium - How to pass the same driver instance in page Object model?

My automation framework is using selenium + TestNG + PageObject model. Structure : My Testng class / test case ... into my page objects? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Function of setInterval in Vue.js

I want to perform a while loop with one second of interval. The method which I want to operate is; new Vue({ ... idea why this error shows up. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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