c tag

1304 questions

2 answers
103 views
0

Why can't I printf the pointer at %s?

I have a question when I see 's answer that I don't know how to behave when I refer to charstr[] with a pointer.Why shouldn't I write printf(str:%s\n,p);?*p calls the character code for the address in...

c pointer

2 years ago

4 answers
98 views
0

Is it possible to receive iBeacon radio waves without specifying a UUID?

Regardless of the UUID, I would like to list iBeacon nearby.Is it possible to receive iBeacon radio waves without specifying a UUID?I look forward to your kind cooperation.

ios objective-c ibeacon

2 years ago

1 answers
117 views
0

I want to connect to Amazon VPC using AWS Client VPN on Linux on ARM CPU

I would like to connect to Amazon VPC using AWS Client VPN from Linux.However, AWS Client VPN seems to be supported only on AMD64 machines.How can I connect ARM CPUs?

linux ubuntu vpn amazon-vpc

2 years ago

1 answers
74 views
0

VScode cannot debug C language "launch:program'C:\C\launch.exe'does not exist"

I was going to debug from running C language in VScode, but I got the following error and I can't.launch:program'C:\C\launch.exe' does not existMinGW has been installed and the environment variable PA...

c vscode

2 years ago

2 answers
88 views
0

I want to control the rotation of the motor based on the values read from the file.

The file on the SD card contains values one line at a time, and I would like to rotate the motor by substituting the value for val in the interrupt function.The file contains 1500, 2500, 500... and on...

c++ c arduino

2 years ago

1 answers
38 views
0

In iOS Objective-C, I want to cancel the conversion work of the text input into the UITextView.

How can I take the attached image A to B by program control?In other words, in UITextView (it's an HTML form in the image...), I wanted to erase the unspecified input string in the markedTextRange and...

ios objective-c

2 years ago

1 answers
117 views
0

I don't know how to convert a 2-byte decimal to a full-width character and output it.

I am creating a base64 decoder in C language.In my own way, for example, when decoding the encoded hiragana a, I converted the two bytes of data into decimal numbers once.Then I can calculate the valu...

c character-code

2 years ago

1 answers
128 views
0

Failed to connect to .net core 3.0 MVC "Web server 'IIS Express'."

I would like to develop MVC using .Net Core 3.0, but the following error message appears and I cannot start the screen.Are there any possible solutions?What do you want to doLaunch MVC project using V...

c# asp.net mvc iis asp.net-core

2 years ago

2 answers
108 views
0

matrix display in C language

I'd like to see a matrix in C language, but how do I pre-assign values using the for statement as a fixed value instead of substituting values with scanf?I would like the results to be as follows.A= 1...

c procession

2 years ago

1 answers
78 views
0

I don't know how to test subdomains with docker-compose + Rails 5.1 + rspec + HeadlessChrome

environment:Rails: 5.1.5Ruby: 2.5.0capybara:2.18.0rspec-rails: 3.7.2selenium-webdriver: 3.10.0 I'm a beginner at Docker.We are currently creating a development environment with docker-compose as follo...

ruby-on-rails docker rspec docker-compose capybara

2 years ago

- 39 -

Popular Tags

python x 4647

android x 1593

java x 1494

javascript x 1427

c x 927

c++ x 878

ruby-on-rails x 696

php x 692

python3 x 685

html x 656