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php - add a string and a number in a sum

I want to be able to +1 to $i every page reload. I have come across a very simple issue, that I am ... simple output 2 then 3 then 4 etc See Question&Answers more detail:os...

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

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ruby on rails - `rspec` - comparing two arrays' lengths against each other

Having 2 arrays in index method, I want to test the equality of the arrays' lengths but it's not working ( ... (capitals.length)) end end end See Question&Answers more detail:os...

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

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powershell - how do i make program that modify value percent in file MIK_Neva.xml

how do i remake this program to enter value of percent from power shell prompt? how do i modify ... ></Sheets></PriceConfiguration> See Question&Answers more detail:os...

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

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Saving inside a loop in Matlab

I need to save in Matlab some matrices created at each iteration of a loop using names depending on the loop ... not a valid variable name. 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 do I count words and lines that were input as a cstring array

This program should read a paragraph from a text file provided by the user and then store each line in a ragged char ... << 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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python - TemplateDoesNotExist at / at templates/index.html

Non the the solutions already posted seem to be working for me. This is my project directory. . |-- auto | ... index.html. The page is rendered. See Question&Answers more detail:os...

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

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npm install -g cordova and ionic 2 error

I'm trying to install ionic 2 for some hours and I don't succee. while I'm install cordova by cmd with the ... pm-debug.log npm ERR! code 1 See Question&Answers more detail:os...

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

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Generating normal distribution in order python, numpy

I am able to generate random samples of normal distribution in numpy like this. >>> mu, sigma = 0, 0.1 # mean ... I can input. How to do this? See Question&Answers more detail:os...

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mysql - Connect phpMyAdmin with ejabberd server on ec2 ubuntu instance

i successfully configure lamp server, phpmyadmin and ejabberd server on my ec2 Ubuntu instance. Now i want to ... or some reference. Thanks See Question&Answers more detail:os...

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java - How to open this program on a window?

Can anyone help me with my if and else statements? It's only saying "Exit Goodbye" whenever I input something, which ... Answer "); } } } } See Question&Answers more detail:os...

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

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firebase authentication - Refresh page get log out automatically in angular 5

I'm using firebase for the signIn and signup. that is my authService look like : token: string; ... the cause that will appreciate. See Question&Answers more detail:os...

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c - CS50(2019) problem set "Filter": "blur" somehow not working correctly

So, I have spent about 5 hours+ trying to figure out what is wrong with my code. I have tried debug50 with a 3x3 ... %= 255; } } return; } See Question&Answers more detail:os...

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

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real time - An accurate python sleep function

I've tried time.sleep(), but its accuracy is total garbage. Consider this loop, for instance: for i in ... what function would be more accurate? See Question&Answers more detail:os...

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c# - Application Services Composition

I've a Customer entity that has an referente to City: public class Customer { public int CustomerId { ... advantages and disadvantages of this? See Question&Answers more detail:os...

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

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Aid with git bash commit error

I am trying to practice including git in projects but when I try to make a commit i get this error I am ... (got 'john@LAPTOP-8GKLVF71.(none)') 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# - Starting a service: "Error 1053: The service did not respond to the start or control request in a timely fashion"

I installed my c# application as windows service, by using the command installutil. It get successfully installed ... .StartAllTasks(); } 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 - A bookmarklet that adds an onclick event to every element on the page?

I want to make bookmarklet, and when you press it all the elements on the page gets an onclick event that calls a ... case, how would I do 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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python - Creating a function to process through a .txt file of student grades

Can someone help... My driver file is here: from functions import process_marks def main(): try: f = open( ... someone see where my errors lie? See Question&Answers more detail:os...

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

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jquery - Close JS Menu on ESC

I am working on a simple slide-in menu system. I'd like to be able to close a menu by hitting the ESC ... this doesn't work. Can someone help? See Question&Answers more detail:os...

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

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Delphi, Export HTML table to Excel

All I want to do is to implement "Export to excel" option of a classical webbrowser, to Delphi2007 commands...... ... complete.') end; end; end. See Question&Answers more detail:os...

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javascript - how to change the source of a picture by the outcome of checkboxes

I made a menu with multiple checkboxes and radio forms. When the visitor selects his choices I need a script ... :Images/medium/yellow/img.png See Question&Answers more detail:os...

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

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Classic ASP HTTP Post from another server

I am litte confused, i want to protect one page in classic asp from being accessed by Get Method. Is it ... my server. Thanks for help. 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# - Setting a Content of Label control using Triggers

I have got a Label in my ControlTemplate that I wish to change it's content if a trigger happens. I have tried so ... , and how would you do it? See Question&Answers more detail:os...

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java - Is there nothing wrong with digits in identifier name?

Since in CC++Java - int 2a ; //invalid suffix "a" on integer constant Is there nothing wrong with digits in ... ; int num_1st ; int num_2nd ; See Question&Answers more detail:os...

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android - Cannot Generate Texture From Bitmap

I am using floodfill algorithm to fill a black white picture with specific color with user touches. I used this ... How to Change current Code. See Question&Answers more detail:os...

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amazon web services - How Can I get details of an AMI or Snapshot if It is encrypted and with which key AWS Managed CMK or Customer Manager CMK in AWS

Issue : ? I want to get information about my AMI to know if it is Encrypted or not and If yes, ... with another account without any issues. See Question&Answers more detail:os...

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

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ecmascript 6 - Spread syntax for nested javascript object with dynamic properties for grouping

const data = [{year:2019,month:1,id:"xd1"}, {year:2019,month:1,id:"xd2"}, {year:2019,month:1,id: ... or arrays. No extra libraries like lodash. 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 display an Icon and Text for each item of DropdownButton in Flutter?

I want to display a Row for each DropdownMenuItem of DropdownButton in Flutter. I want to display an icon and a text in the ... (), ), ], ), ), See Question&Answers more detail:os...

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

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