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Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
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'git add --patch' to include new files?
When I run git add -p , is there a way for git to select newly made files as hunks to select??
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Reverse a string in Java
I have "Hello World" kept in a String variable named hi .
45 Answers
45
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Why does range(start, end) not include end?
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9 Answers
9
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Disable Required validation attribute under certain circumstances
I was wondering if it is possible to disable the Required validation attribute in certain controller actions. I am wondering this because on one of my edit forms I do not require the user to enter values for fields that they have already specified previously. However I then implement logic that when...
What's the difference between RANK() and DENSE_RANK() functions in oracle?
What's the difference between RANK() and DENSE_RANK() functions? How to find out nth salary in the following emptbl table?
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One-line list comprehension: if-else variants
It's more about python list comprehension syntax. I've got a list comprehension that produces list of odd numbers of a given range:
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How do I check if the mouse is over an element in jQuery?
Is there a quick & easy way to do this in jQuery that I'm missing?
24 Answers
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How persistent is localStorage?
I'm depending heavily on localStorage for a plugin I'm writing. All the user settings are stored in it. Some settings require the user the write regex'es and they would be sad if their regex rules are gone at some point.
So now I am wondering just how persistent the localStorage is.
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Random record in ActiveRecord
I'm in need of getting a random record from a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
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