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Why dict.get(key) instead of dict[key]?
Today, I came across the dict method get which, given a key in the dictionary, returns the associated value.
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How to add “on delete cascade” constraints?
In PostgreSQL 8 is it possible to add ON DELETE CASCADES to the both foreign keys in the following table without dropping the latter?
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Requirejs why and when to use shim config
I read the requirejs document from here API
3 Answers
3
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Delete all local git branches
I follow a development process where I create a new local branch for every new feature or story card. When finished I merge the branch into master and then push.
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Where is the documentation for the values() method of Enum?
I declare an enum as :
3 Answers
3
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trying to align html button at the center of the my page [duplicate]
I'm trying to align an HTML button exactly at the centre of the page irrespective of the browser used. It is either floating to the left while still being at the vertical centre or being somewhere on the page like at the top of the page etc..
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How to use UIScrollView in Storyboard
I have a scroll view with content that is 1000px tall and would like to be able to lay it out for easy design on the storyboard.
I know it can be done programmatically but I really want to be able to see it visually. Every time I put a scroll view on a view controller it won't scroll. Is it possib...
How do I generate random number for each row in a TSQL Select?
I need a different random number for each row in my table. The following seemingly obvious code uses the same random value for each row.
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Regex expressions in Java, \\s vs. \\s+
What's the difference between the following two expressions?
4 Answers
4
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How to determine if a string is a number with C++?
I've had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working s...