In python, the str() method is similar to the toString() method in other languages. It is called passing the object to convert to a string as a parameter. Internally it calls the __str__() method of the parameter object to get its string representation. In this case, however, you are comparing a UserProperty author from the … Read more
Rather slow, but working method to include any of words: If you need all words to be present, use this: If you want something faster, you need to look into full text search, and this is very specific for each database type.
When you perform an DOM query through jQuery like $(‘class-name’) it actively searched the DOM for that element and returns that element with all the jQuery prototype methods attached. When you’re within the jQuery chain or event you don’t have to rerun the DOM query you can use the context $(this). Like so: $(this) will … Read more
Try adding a – before the [] or [x]. That’s an – followed by a blank space . Below is an example from Github blog. It appears like below: Here’s how one could do the same in a table: Here’s how it looks:
The easiest way would be to find the head commit of the branch as it was immediately before the rebase started in the reflog… and to reset the current branch to it (with the usual caveats about being absolutely sure before reseting with the –hard option). Suppose the old commit was HEAD@{2} in the ref … Read more
pip when used with virtualenv will generally install packages in the path <virtualenv_name>/lib/<python_ver>/site-packages. For example, I created a test virtualenv named venv_test with Python 2.7, and the django folder is in venv_test/lib/python2.7/site-packages/django.
kmeans cannot handle data that has NA values. The mean and variance are then no longer well defined, and you don’t know anymore which center is closest.
That error can only be caused by one of three things: Your JavaScript file is not being properly loaded into your page You have a botched version of jQuery. This could happen because someone edited the core file, or a plugin may have overwritten the $ variable. You have JavaScript running before the page is … Read more
You can’t call something that doesn’t exist. Since you haven’t created an object, the non-static method doesn’t exist yet. A static method (by definition) always exists.
The issue is caused by this: If the assertion fails, it will throw an error. This error will cause done() never to get called, because the code errored out before it. That’s what causes the timeout. The “Unhandled promise rejection” is also caused by the failed assertion, because if an error is thrown in a … Read more