Parse (split) a string in C++ using string delimiter (standard C++)
You can use the std::string::find() function to find the position of your string delimiter, then use std::string::substr() to get a token. Example: The find(const string& str, size_t pos = 0) function returns the position of the first occurrence of str in the string, or npos if the string is not found. The substr(size_t pos = 0, size_t n = npos) function returns a substring of the object, … Read more
Editor does not contain a main type in Eclipse [duplicate]
Problem is that your folder is not identified as a Source folder. Right click on the project folder -> Properties Choose ‘Java Build Path’ Click on ‘Sources’ tab on top Click on ‘Add Folder’ on the right panel Select your folders and apply
Could not open a connection to your authentication agent
You might need to start ssh-agent before you run the ssh-add command: Note that this will start the agent for msysgit Bash on Windows. If you’re using a different shell or operating system, you might need to use a variant of the command, such as those listed in the other answers. See the following answers: ssh-add complains: Could not open a … Read more
Cannot make a static reference to the non-static method fxn(int) from the type Two
Since the main method is static and the fxn() method is not, you can’t call the method without first creating a Two object. So either you change the method to: or change the code in main to:
Non-numeric Argument to Binary Operator Error in R
Because your question is phrased regarding your error message and not whatever your function is trying to accomplish, I will address the error. – is the ‘binary operator’ your error is referencing, and either CurrentDay or MA (or both) are non-numeric. A binary operation is a calculation that takes two values (operands) and produces another value (see wikipedia for more). + is … Read more
‘Conda’ is not recognized as internal or external command
Although you were offered a good solution by others I think it is helpful to point out what is really happening. As per the Anaconda 4.4 changelog, https://docs.anaconda.com/anaconda/reference/release-notes/#what-s-new-in-anaconda-4-4: On Windows, the PATH environment variable is no longer changed by default, as this can cause trouble with other software. The recommended approach is to instead use Anaconda … Read more
sklearn error ValueError: Input contains NaN, infinity or a value too large for dtype(‘float64’)
This might happen inside scikit, and it depends on what you’re doing. I recommend reading the documentation for the functions you’re using. You might be using one which depends e.g. on your matrix being positive definite and not fulfilling that criteria. EDIT: How could I miss that: is obviously wrong. Right would be: and
Gitignore not working
The files/folder in your version control will not just delete themselves just because you added them to the .gitignore. They are already in the repository and you have to remove them. You can just do that with this: Remember to commit everything you’ve changed before you do this! This removes all files from the repository and … Read more
syntaxerror: “unexpected character after line continuation character in python” math
The division operator is /, not \