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Messy plot when plotting predictions of a polynomial regression using lm() in R

I am building a quadratic model with lm in R: y <- data[[1]] x <- data[[2]] x2 <- x^2 quadratic. ... that it's quadratic? Thanks for any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

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Google spreadsheet "Cannot call method "getRange" of null"

I'd like to generate a unique ID in column A if column B has changed in every row from the 6th. It would be ... (sheet.getLastRow()-6)); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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499 views

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c# - Trouble serializing and deserializing multiple objects

I currently playing with the XMLSerializerto understand how it works. I am able to serialize, save and de- ... there a better approach? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mac excel vba loop : from list & then export as pdf

So lost myself in this: I have a list on one sheet (studentlist) that has 160 student numbers. Would like ... :=False Next rCell End Sub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Java 11 issue with adding dependency jars at runtime

When migrated from Java 8 to Java 11, got the following error: Caused by: java.lang.ClassCastException: class ... , please suggest a solution. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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594 views

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html - symetric div with background image without clip-path

hi guys i have two differents div with background image, as you see in the picture. They are symetrics. i ... background-repeat: no-repeat; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - How to use CPU to perform any operation in Deep Sleep mode

I'm new in android. I struggle with my application approximately 3 weeks. I need sent and receive packets in ... What is the best solutions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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611 views

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ruby - Chrome 62 and Flash

I have a Flash-based app that I need to test using Cucumber. As flash is not enabled by default I need ... > Has anyone automated this process? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Null Reference Exception for Class Lists

I am new to programming and am running into an issue when creating a class with a list property of another class ... I appreciate all the help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Discord.js bot responds when mentioned

I'm trying to make my discord.js bot send a message when it is pinged. I was unsure how to do this so I ... can you show me how to do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Why do we separately cast to "float" in an integer division?

For example: int number1 = 1, number2= 2; float variable = (float)number1/(float)number2; Instead of this, Why ... = (float)(number1/number2); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Convert all node's attributes into child nodes

is there a way to convert all nodes' attributes into child Nodes using XSLT 1.0 ? It must run flawlessly with PHP' ... /greg> </root> Thank you! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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581 views

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merge update oracle unable to get a stable set of rows

I am trying to update a table in Oracle based on another table (inner join) but the matching fields match on ... that it will not error out? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

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execCommand insertHTML breaks stored window.getSelection()

When using methods of selecting text and restoring selected text in a page, I have found that running execCommand( ... then reselect the text. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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312 views

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javascript - Body animation isn't smooth

The "spaceShip" in the following code isn't moving smoothly at the beginning of holding any arrow key down. It ... seem to make much sense)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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528 views

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html - execute javascript function using VBA

I am trying to execute a javascript function using VBA but without success. I select an item in the list box. My ... }; But this isn't working. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

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Using java.io library in eclipse so FileInputStream can read a dat file

Goal: Print the data from a .dat file to the console using Eclipse. (Long-Term Goal): Executable that I ... feel free to contact me 8503962891 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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811 views

1 answer

perl - Create a multidimesional key of hash from array?

I want to create a multidimensional %hash from the @array. Suppose @array is like my @array=(1,2,3,4,5); ... before the last element in %hash. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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895 views

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vb.net - Show checked rows into another DataGridView

I have a DataGridView populated with a DataTable. I added a CheckBoxColumn to select some rows. My Goal is to show ... can I do it otherwise? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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376 views

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java - Updating ImageIcon in JTree without repainting the Tree?

Basically I edit an attribute private string status="OK" in the UserObject() of a DefaultTreeNode(). I have a ... to see the graphic update? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

1 answer

Else statement in Python 3 always runs

I've been making a basic calculator with Python and I have come across this issue. After the calculations are made ... ") print(" "*100) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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377 views

1 answer

Excel VBA: auto click and open file from website

Thanks to Qharr, I have successfully performed auto search on the website.(My previous question: Excel VBA: Cannot ... codes. ie.Quit End Sub See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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596 views

1 answer

swing - Switch imageIcon in java?

I have many planes(threads) that move in window, and I want switch the ImageIcon according to the direction of ... Sorry for my bad english. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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555 views

1 answer

jquery - javascript - dynamic variables

Hi I am trying to make dynamic variables but it is saying `variable v0 (through to v5) is not defined. ... any help would be muchly appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

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c# - "unknown error: cannot read property 'scrollleft' of null" in Chrome using selenium

In Chrome when I am clicking button, I am getting "unknown error: cannot read property 'scrollleft' of null Their ... in this page, no scrolls. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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553 views

1 answer

itext java pdf to text creation

I use a itext for converting pdf to text file, it works good actually but for some words it do the following ... block e.printStackTrace(); } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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665 views

1 answer

excel - How do I Use a Function as a Parameter?

I would like a function that will unprotect and reprotect my Worksheet. The function I have currently is as follows: ... my tables in using VBA. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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420 views

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ios - unique property in Firebase

I have an IOS app which contains categories. My storage on Firebase looks like this: -root -Categories -key ... in Firebase? Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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