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How to find gaps in sequential numbering in mysql?
We have a database with a table whose values were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
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TSQL - How to use GO inside of a BEGIN .. END block?
...ges from multiple development databases to staging/production. Basically, it takes a bunch of change-scripts, and merges them into a single script, wrapping each script in a IF whatever BEGIN ... END statement.
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How to set top-left alignment for UILabel for iOS application?
I have added one label in my nib file, then its required to have top-left alignment for that lable. As I am providing text at runtime so its not sure that how much lines there are.
So if text contains only single line then it appears as vertical-center aligned. That alignment is not matching with my...
Inner class within Interface
Is it possible to create an inner class within an interface?
If it is possible why would we want to create an inner class like that since
we are not going to create any interface objects?
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How to list all installed packages and their versions in Python?
...ou have pip install and you want to see what packages have been installed with your installer tools you can simply call this:
pip freeze
It will also include version numbers for the installed packages.
Update
pip has been updated to also produce the same output as pip freeze by calling:
pip li...
How do I revert a Git repository to a previous commit?
How do I revert from my current state to a snapshot made on a certain commit?
41 Answers
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What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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Better way to cast object to int
This is probably trivial, but I can't think of a better way to do it. I have a COM object that returns a variant which becomes an object in C#. The only way I can get this into an int is
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Creating a JSON response using Django and Python
...erver side Ajax response script into a Django HttpResponse, but apparently it's not working.
15 Answers
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Can I use break to exit multiple nested 'for' loops?
Is it possible to use the break function to exit several nested for loops?
20 Answers
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