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A migration to add unique constraint to a combination of columns
What I need is a migration to apply unique constraint to a combination of columns. i.e. for a people table, a combination of first_name , last_Name and Dob should be unique.
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Where are static variables stored in C and C++?
In what segment (.BSS, .DATA, other) of an executable file are static variables stored so that they don't have name collision?
For example:
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How does bash tab completion work?
I have been spending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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'any' vs 'Object'
I am looking at TypeScript code and noticed that they use:
6 Answers
6
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How do you change the document font in LaTeX?
How do you change the font for the whole document to sans-serif (or anything else)?
4 Answers
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Accessing console and devtools of extension's background.js
I just started out with Google Chrome extensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error messages either.
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How to get the function name from within that function?
How can I access a function name from inside that function?
20 Answers
20
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Case insensitive regex in JavaScript
I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing:
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Checking for the correct number of arguments
How do i check for the correct number of arguments (one argument). If somebody tries to invoke the script without passing in the correct number of arguments, and checking to make sure the command line argument actually exists and is a directory.
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Custom dealloc and ARC (Objective-C)
In my little iPad app I have a "switch language" function that uses an observer. Every view controller registers itself with my observer during its viewDidLoad: .
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