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Proper use of 'yield return'
The yield keyword is one of those keywords in C# that continues to mystify me, and I've never been confident that I'm using it correctly.
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Typing Enter/Return key using Python and Selenium?
... . I need to know how to do that with the Selenium type command as there is no button to click.
29 Answers
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Check if table exists and if it doesn't exist, create it in SQL Server 2008
...riting a Stored procedure in SQL Server 2008.
I need to check if a table exists in the database. If it doesn't then I need to create it.
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Git alias with positional parameters
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The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-status \"$1^\" \"$1\"; }; f"
An alias without ! is treated as a Git command; e.g. commit-all = commit -a.
With the !, it's run as its own command in...
How to get the position of a character in Python?
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There are two string methods for this, find() and index(). The difference between the two is what happens when the search string isn't found. find() returns -1 and index() raises ValueError.
Using find()
>>> myString = 'Position of a character'
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What does -> mean in Python function definitions?
... which allow you to attach a metadata string to various types of object. This is amazingly handy, so Python 3 extends the feature by allowing you to attach metadata to functions describing their parameters and return values.
There's no preconceived use case, but the PEP suggests several. One very h...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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Note: For MySQL 5.7+ please see answer from @Lahiru to this question. That contains more current information.
For MySQL < 5.7:
The default root password is blank (i.e. empty string) not root. So you can just login as:
mysql -u root
You should obviously change your root pas...
How can I use a search engine to search for special characters? [closed]
... troubleshooting-related tasks, such as finding out what the variable "$-" is in perl, or searching for error output that is loaded with special characters.
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What is Hindley-Milner?
I encountered this term Hindley-Milner , and I'm not sure if grasp what it means.
3 Answers
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How do I update my bare repo?
I created a bare repo to publish my repository, but I can't figure out how to update the bare repo with the current state of the main repository.
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