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python - Plotting polynomial with given coefficients

I'm trying to plot a polynomial with coefficients given in array: input: [an,a(n-1),...,a0] output: plot ... . Any help would be appreciated :) See Question&Answers more detail:os...

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

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html - Buttons are not appearing at top right

I just want to show my buttons at top right corner of the screen. I tried a lot to do so and Google it too. I ... form> </div> </div> </div> See Question&Answers more detail:os...

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

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ios - Swift 3 Unrecognized selector sent to instance UIButton

I get this error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UITouchesEvent text] ... know what's wrong. See Question&Answers more detail:os...

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

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ggplot2 - How to add linear model results (adj-r squared, slope and p-value) onto regression plot in r

Hi I have created a linear model and a regression plot - However, I would like to have the model results on the ... (￡)") + ggtitle("Title") See Question&Answers more detail:os...

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

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linux - how to remove an array element correctly in a for loop

NOTE: a permanent copy of this text is available on https://bpaste.net/raw/20a08beae676 this is intended as a self- ... is useless since the for loop evaluates i instead as it...

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

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Alternative to glob php

I'm looking an alternative function to glob. I got this and it work perfectly. <?php $tipof = 'FACTURA' ... -A106-8694-20171019.pdf Thanks! 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# - The *Design.cs file will reset automatically and delete the manually writed codes?

I need change the some Initialized control values, as below: this.lblName.Top = 10; this.lblFamily.Top = this.lblName. ... in *.cs[Design] tab? See Question&Answers more detail:os...

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

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I need to add a text value to an self closing empty tag, using XSLT

Please see the below XML. In the XML the name element is a self closing empty tag. I need to add a ... to achieve this requirement. Thanks, See Question&Answers more detail:os...

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

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struct - How to correctly iterate all records of a multi-level depth structure in Rust?

I would like to know how to iterate correctly in Rust all results contained in a data structure arranged like this: struct ... ]} ]} ]} ]}; 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 to disable controls of master page used in content page while processing some event in asp.net

The following code works fine for disabling content page controls, but how do I disable master page controls? public void ... !isEnable; } } } } See Question&Answers more detail:os...

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

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linux - Find rows with the same value in a column in two files

I've got two files (millions of columns) File1.txt, ~4k rows some_key1 some_text1 some_key2 some_text2 ... some_keyn ... }' file1.txt file2.txt See Question&Answers more detail:os...

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

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string - C for loop not working

#include <stdio.h> char str[5][10]={"asdasdasd", "", "", "qweqweqwe", "asdasdasd"}; int main (){ change (4, ... and [r2][c2+1] is still empty. 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 - How to convert CSV file to a specific JSON format with nested objects?

I want to populate my json message with data from a CSV file. I want each row to be a "new" json object. ... record should be a new json object. See Question&Answers more detail:os...

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

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java - Print all permutation of length k that can be formed from a set of n characters?

public class PrintStrLenK { public static void main(String[] args){ int k = 2; char[] set = {'0', '1'} ... for a solution it's ok. Thanks See Question&Answers more detail:os...

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

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for loop - Swift 4 need help to make triangle using (*)

swift4 to make triangle tree using stars(*) and its need to look a pine tree, I tried with the below code but ... print (empty); } Now, Expected 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 - Storing data, in arranged sequence into mysql

I asked random question to student & stored his answers using his session id into mysql & than extracted the same way ... ()."'", $con); See Question&Answers more detail:os...

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

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pdf - Where is an error in this PHP code?

I have PHP code that convert PDF files to text files.For this task I installed an external library using the composer in ... pdf') ->text(); ?> 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 - Contact us mail error

My html coding for the contact form html page and below that is the php code <form name="form1" method="post ... but not working in the website 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 - How to loop in the opposite order?

I am a beginner programmer. Here is my code: n = int(input()) from math import* for i in range(n): print(n ... . . . 9 0.9542425094393249 10 1.0 See Question&Answers more detail:os...

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

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ios - Expected ':' Lexical or Preprocessor error

Well this should be a pretty quick and easy question. I am creating a scrollview and i have it all done, but ... , 900)]]; //expected identifier See Question&Answers more detail:os...

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

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class - Difference between “::” “.” and “->” in c++

I have found the class Kwadrat. The author used three types of operator ::, . and ->. The arrow is the one ... kwadrat->val3<<endl; return 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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c++ - windows/System32 or windows/SysWOW64

I have a 32 bit application. How correctly (officially) to find out which folder to install the application, ... client needed - Windows XP. 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 - What is the result of calling return in a non-void function after calling a function returning int?

UPDATE 2018: This was an old question I wrote with reduced understanding of C. Please refrain from downvoting. ... http://ideone.com/fAxnNn See Question&Answers more detail:os...

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

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java - Make a page wait for 15 minutes

I want to make a page wait for 15 minutes but neither Thread.sleep or Web driver wait seems to be working ... suggest a solution for my problem? See Question&Answers more detail:os...

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

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struct - Using functions in C, declaring a variable and using it in multiple functions

I want to make a linked list that is called from my main somewhere else. This linked list is made of nodes. ... if line, head is not recognized. 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++ - If in malloc object is not created then why does this code works?

An object is not created when we use malloc/free for a class in c++. Then why does this code works? If an ... ; return 0; } OUTPUT: Hello World See Question&Answers more detail:os...

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

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Google Maps Android API - trigger touch event on map

I need a way to trigger/fire a map touch event programmatically. Is there any solution? Update 1: I have map ... this the map or laye listener. See Question&Answers more detail:os...

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

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ggplot2 - How to R present two colsums with ggplot stat_summary?

I think R designed tool for the taks is ggplot2 stat_summary so I rejected barplot because of the linked thread in the ... 3.1 OS: Debian 8.5 See Question&Answers more detail:os...

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

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