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Get local IP address in node.js
I have a simple node.js program running on my machine and I want to get local IP address of PC on which my program is running. How do I get it with node.js?
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How do I Disable the swipe gesture of UIPageViewController?
In my case parent UIViewController contains UIPageViewController which contains UINavigationController which contains UIViewController . I need to add a swipe gesture to the last view controller, but swipes are handled as if they belong to page view controller. I tried to do this both program...
Is there a way to instantiate objects from a string holding their class name?
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How can I search for a multiline pattern in a file?
I needed to find all the files that contained a specific string pattern. The first solution that comes to mind is using find piped with xargs grep :
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launch sms application with an intent
I have a question about an intent...
I try to launch the sms app...
20 Answers
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Generate a random alphanumeric string in Cocoa
I want to call a method, pass it the length and have it generate a random alphanumeric string.
20 Answers
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Why should hash functions use a prime number modulus?
A long time ago, I bought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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How do I rename all folders and files to lowercase on Linux?
I have to rename a complete folder tree recursively so that no uppercase letter appears anywhere (it's C++ source code, but that shouldn't matter).
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How to get Erlang's release version number from a shell?
Many programs return their version number with a command like:
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