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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety
When performing pip install -r requirements.txt , I get the following error during the stage where it is installing matplotlib :
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How to resolve “must be an instance of string, string given” prior to PHP 7?
... the class string is expected, but you're giving it a (scalar) string. The error message may be funny, but it's not supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You can only manually "type hint" scalar types:
function foo($strin...
Comparing two CGRects
I needed to check wether the frame of my view is equal to a given CGRect. I tried doing that like this:
4 Answers
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The ALTER TABLE statement conflicted with the FOREIGN KEY constraint
...you've deleted some old customers, but not their orders, you will get this error if you decide to make a foreign key from Orders.CustomerId to Customers.Id. Some orders don't have a corresponding customer any more, so it is impossible to add the foreign key.
– Chad Hedgcock
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How to avoid annoying error “declared and not used”
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That error is here to force you to write better code, and be sure to use everything you declare or import. It makes it easier to read code written by other people (you are always sure that all declared variables will be used), and...
How to get MVC action to return 404
...(maybe because it has been deleted), I want to return a 404 and display an error page.
12 Answers
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How do I get the find command to print out the file size with the file name?
If I issue the find command as follows:
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Difference between StringBuilder and StringBuffer
What is the main difference between StringBuffer and StringBuilder ?
Is there any performance issues when deciding on any one of these?
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Error: Cannot pull with rebase: You have unstaged changes
...e most part, git will tell you what to do about changes. For example, your error message said to git stash your changes. This would be if you wanted to keep them. After pulling, you would then do git stash pop and your changes would be reapplied.
git status also has how to get rid of changes depend...
Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
I keep getting an error message in Eclipse when creating a new project.
11 Answers
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