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Finding the direction of scrolling in a UIScrollView?
I have a UIScrollView with only horizontal scrolling allowed, and I would like to know which direction (left, right) the user scrolls. What I did was to subclass the UIScrollView and override the touchesMoved method:
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Float vs Decimal in ActiveRecord
Sometimes, Activerecord data types confuse me. Err, often. One of my eternal questions is, for a given case,
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Using helpers in model: how do I include helper dependencies?
I'm writing a model that handles user input from a text area. Following the advice from http://blog.caboo.se/articles/2008/8/25/sanitize-your-users-html-input , I'm cleaning up the input in the model before saving to database, using the before_validate callback.
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JavaScript moving element in the DOM
Let's say I have three <div> elements on a page. How can I swap positions of the first and third <div> ? jQuery is fine.
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Show pop-ups the most elegant way
I have this AngularJS app. Everything works just fine.
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Adding up BigDecimals using Streams
I have a collection of BigDecimals (in this example, a LinkedList ) that I would like to add together. Is it possible to use streams for this?
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How to use QueryPerformanceCounter?
I recently decided that I needed to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not re...
Why do function pointer definitions work with any number of ampersands '&' or asterisks '*'?
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How to work around the stricter Java 8 Javadoc when using Maven
You'll quickly realize that JDK8 is a lot more strict (by default) when it comes to Javadoc. ( link - see last bullet point)
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Minimum and maximum date
I was wondering which is the minimum and the maximum date allowed for a Javascript Date object. I found that the minimum date is something like 200000 B.C., but I couldn't get any reference about it.
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