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Function to calculate distance between two coordinates
I'm currently using the function below and it doesn't work properly. According to Google Maps, the distance between these coordinates (from 59.3293371,13.4877472 to 59.3225525,13.4619422 ) are 2.2 kilometres while the function returns 1.6 kilometres. How can I make this function return the ...
Django Forms: if not valid, show form with error message
I Django forms, it can check whether the form is valid:
7 Answers
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What is the best IDE to develop Android apps in? [closed]
I am about to start developing an android app and need to get an IDE. Eclipse and the android eclipse plugin appears to be the natural choice. However I am familiar with intelliJ and re-sharper so I would prefer use intelliJ.
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Rails 4: List of available datatypes
Where can I find a list of data types that can be used in Ruby on Rails 4?
Such as
5 Answers
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C++ - passing references to std::shared_ptr or boost::shared_ptr
If I have a function that needs to work with a shared_ptr , wouldn't it be more efficient to pass it a reference to it (so to avoid copying the shared_ptr object)?
What are the possible bad side effects?
I envision two possible cases:
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Populating Spring @Value during Unit Test
I'm trying to write a Unit Test for a simple bean that's used in my program to validate forms. The bean is annotated with @Component and has a class variable that is initialized using
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What's the difference between Require.js and simply creating a element in the DOM? [closed]
What's the difference between using Require.JS amd simply creating a <script> element in the DOM?
4 Answers
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How to annotate MYSQL autoincrement field with JPA annotations
Straight to the point, problem is saving the object Operator into MySQL DB.
Prior to save, I try to select from this table and it works, so is connection to db.
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Programmatically add custom event in the iPhone Calendar
Is there any way to add iCal event to the iPhone Calendar from the custom App?
11 Answers
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Implement touch using Python?
touch is a Unix utility that sets the modification and access times of files to the current time of day. If the file doesn't exist, it is created with default permissions.
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