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Calculate distance between two latitude-longitude points? (Haversine formula)
...g. I added the call to convert the deltas to radians and it works properly now. I submitted an edit and am waiting for it to be peer reviewed.
– Bryan Bedard
Dec 4 '11 at 4:53
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How to enable PHP's openssl extension to install Composer?
...ne extension=php_openssl.dll by removing the semicolon at the beginning.
Now you are good to install Composer.
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Generate random numbers uniformly over an entire range
...rface. While theoretically also being an external dependency, Boost has by now a status of "quasi-standard" library, and its Random module could be regarded as the classical choice for good-quality random number generation. It features two advantages with respect to the C++11 solution:
it is more ...
How to create local notifications?
...alloc] init];
notification.fireDate = [NSDate dateWithTimeIntervalSinceNow:7];
notification.alertBody = @"This is local notification!";
notification.timeZone = [NSTimeZone defaultTimeZone];
notification.soundName = UILocalNotificationDefaultSoundName;
notification.applicationIcon...
Change R default library path using .libPaths in Rprofile.site fails to work
...getenv())) ]
The two that matter for storing and accessing packages are (now different on a Linux box):
R_LIBS_SITE /usr/local/lib/R/site-library:/usr/lib/R/site-library:/usr/lib/R/library
R_LIBS_USER /home/david/R/x86_64-pc-linux-gnu-library/3.5....
What is “lifting” in Haskell?
...rn than a mathematical concept (although I expect someone around here will now refute me by showing how lifts are a category or something).
Typically you have some data type with a parameter. Something like
data Foo a = Foo { ...stuff here ...}
Suppose you find that a lot of uses of Foo take nu...
How to use concerns in Rails 4
The default Rails 4 project generator now creates the directory "concerns" under controllers and models. I have found some explanations about how to use routing concerns, but nothing about controllers or models.
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Xcode 4 hangs at “Attaching to (app name)”
...or or iOS device. It was working perfectly in Xcode 3, but all of a sudden now when I press run the program stops at "Attaching to...". There doesn't seem to be any other info to help with this problem either.
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When would you use the different git merge strategies?
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@JakubNarębski by now you can also choose theirs, which is according to the manual " the opposite of ours. Theirs is neither chosen automatically for you. May you can slightly update your anwser, adding the theirs option
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Best practice multi language website
I've been struggling with this question for quite some months now, but I haven't been in a situation that I needed to explore all possible options before. Right now, I feel like it's time to get to know the possibilities and create my own personal preference to use in my upcoming projects.
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