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Can I convert long to int?
I want to convert long to int .
8 Answers
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Purge or recreate a Ruby on Rails database
I have a dev Ruby on Rails database full of data. I want to delete everything and rebuild the database. I'm thinking of using something like:
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What is the advantage of using heredoc in PHP? [closed]
What is the advantage of using heredoc in PHP, and can you show an example?
5 Answers
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How to change the background color of a UIButton while it's highlighted?
At some point in my app I have a highlighted UIButton (for example when a user has his finger on the button) and I need to change the background color while the button is highlighted (so while the finger of the user is still on the button).
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How can I make a JPA OneToOne relation lazy
In this application we are developing, we noticed that a view was particularly slow. I profiled the view and noticed that there was one query executed by hibernate which took 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy ...
Quicksort: Choosing the pivot
When implementing Quicksort, one of the things you have to do is to choose a pivot. But when I look at pseudocode like the one below, it is not clear how I should choose the pivot. First element of list? Something else?
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How can I filter lines on load in Pandas read_csv function?
How can I filter which lines of a CSV to be loaded into memory using pandas? This seems like an option that one should find in read_csv . Am I missing something?
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How can I scale an image in a CSS sprite
In this article, http://css-tricks.com/css-sprites/ , it talks about how can I crop off a smaller image from 1 bigger image. Can you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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Why are empty strings returned in split() results?
What is the point of '/segment/segment/'.split('/') returning ['', 'segment', 'segment', ''] ?
7 Answers
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Any reason not to start using the HTML 5 doctype? [closed]
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