You already have a process running in the port 27017 which is used by mongodb. So either you need to stop the process in that port or try with different port number. Try mongod –port 27018 You can change the port number of your choice. EDIT: You can also just stop all the running instances of mongo server using sudo … Read more
updated for 2021] (Regardless if you are on Mac, Linux, or Windows:) If you are confused about how to start the latest version of python, on most platforms it is the case that python3 leaves your python2 installation intact (due to the above compatibility reasons); thus you can start python3 with the python3 command. Historically… The naming convention is that generally, most … Read more
You already have a process bound to the default port (8000). If you already ran the same module before, it is most likely that process still bound to the port. Try and locate the other process first: The command arguments are included, so you can spot the one running SimpleHTTPServer if more than one python process is active. You … Read more
below is what I need to do. To run the specs, you’ll need to install RSpec. First, run gem install bundler in the root directory of your project. Then, run bundle install. To run a single spec file, run a command like this: bundle exec rspec spec/00_hello_spec.rb. To run all of the specs at once, run bundle exec rspec. So, … Read more
I need to know the most efficient way of installing JQ on Mac (El Capitan). The code is downloaded to my Mac but I would like to know how I can install and operate it via the command line.
Taking my first C++ class in college. I need to download C++ and my teacher gave us a direct link to download it, but it only works on Windows. Is there a way I can format it to work on my Mac or is there a Mac-friendly version I can download?
Before running your app, you can do this in console, Or if you are in windows you could try this: for PowerShell: or you can run your app like this: You can also set it in your js file: But I don’t suggest to do it in your runtime file, since it’s not easy to … Read more
Your pip is a soft link to the same executable file path with pip3. you can use the commands below to check where your pip and pip3 real paths are: You may also use the commands below to know more details: When we install different versions of python, we may create such soft links to set default pip to some version. make … Read more
It looks like you are missing including the IOBluetooth.framework in your project. You can add it by: Clicking on your project in the upper left of the left pane (the blue icon). In the middle pane, click on the Build Phases tab. Under “Link Binary With Libraries”, click on the plus button. Find the IOBluetooth.framework … Read more
You should import cv2. OpenCV releases two types of Python interfaces, cv and cv2. latest one is cv2. This will give you an idea whether you have installed opencv correctly.