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Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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What do @, - and + do as prefixes to recipe lines in Make?
In the GNU Makefile manual, it mentions these prefixes.
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How to generate a git patch for a specific commit?
I need to write a script that creates patches for a list of SHA1 commit numbers.
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Blocks on Swift (animateWithDuration:animations:completion:)
I'm having trouble making the blocks work on Swift. Here's an example that worked (without completion block):
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Java string to date conversion
What is the best way to convert a String in the format 'January 2, 2010' to a Date in Java?
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XPath to find elements that does not have an id or class
How can I get all tr elements without id attribute?
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Git commit date
...e date string, is there a Git native way to report the date of a certain commit?
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how to change directory using Windows command line
I'm using cmd.exe (C:\WINDOWS\System32\cmd.exe) and I have to change my current directory to "D:\temp" i.e. temp folder in the D drive.
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Referencing another schema in Mongoose
if I have two schemas like:
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What is the difference between up-casting and down-casting with respect to class variable
... a type check and can throw a ClassCastException.
In your case, a cast from a Dog to an Animal is an upcast, because a Dog is-a Animal. In general, you can upcast whenever there is an is-a relationship between two classes.
Downcasting would be something like this:
Animal animal = new Dog();
Dog c...