If two cells match, return value from third - Stack Overflow
2014年10月15日 · Here's a simple explanation of what I'm having trouble with. Column A: List of 2300 order numbers Column B: Email Address associated with an order number Column C: List of 100 specific order numbers
Check if a given key already exists in a dictionary
2013年5月2日 · I would recommend using the setdefault method instead. It sounds like it will do everything you want. >>> d = {'foo':'bar'} >>> q = d.setdefault('foo','baz') #Do not override the existing key >>> print q #The value takes what was originally in the dictionary bar >>> print d {'foo': 'bar'} >>> r = d.setdefault('baz',18) #baz was never in the dictionary >>> print r #Now r has the value supplied ...
Using "If cell contains #N/A" as a formula condition.
2014年1月7日 · I need help on my Excel sheet. How can I declare the following IF condition properly? if A1 = "n/a" then C1 = B1 else if A1 != "n/a" or has value(int) then C1 = A1*B1
python - Find a value in a list - Stack Overflow
As for your first question: "if item is in my_list:" is perfectly fine and should work if item equals one of the elements inside my_list.
How do I perform an IF...THEN in an SQL SELECT?
2008年9月15日 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server.. SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END AS bit) as Saleable, * FROM Product
Finding duplicate values in a SQL table - Stack Overflow
It's easy to find duplicates with one field: SELECT email, COUNT(email) FROM users GROUP BY email HAVING COUNT(email) > 1 So if we have a table ID NAME EMAIL 1 John [email protected] 2 S...
Pythonic way to combine for-loop and if-statement
Update following additional comments on your question and the accepted answer. I'm not sure what you are trying to do with enumerate, but if a is a dictionary, you probably want to use the keys, like this:
Remove specific characters from a string in Python
2010年10月15日 · Strings are immutable in Python. The replace method returns a new string after the replacement. Try: for char in line: if char in " ?.!/;:": line = line.replace(char,'')
Can I recover a branch after its deletion in Git? - Stack Overflow
2010年9月4日 · When the commit hash is NOT in the reflog. If your commits are not in your reflog (perhaps they were deleted by a 3rd party tool that doesn't write to the reflog), you may try this command first to create a file with all the dangling commits
How would I check a string for a certain letter in Python?
in keyword allows you to loop over a collection and check if there is a member in the collection that is equal to the element.