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Ruby on Rails and Rake problems: uninitialized constant Rake::DSL
I'm having a really frustrating issue: Rake is being dumb.
19 Answers
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New Array from Index Range Swift
How can I do something like this? Take the first n elements from an array:
5 Answers
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
I tried to restart my Apache server on CentOS 5.0 and got this message:
11 Answers
11
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Java optional parameters
How do I use optional parameters in Java? What specification supports optional parameters?
17 Answers
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Android phone orientation overview including compass
I've been trying to get my head around the Android orientation sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
What is “:-!!” in C code?
I bumped into this strange macro code in /usr/include/linux/kernel.h :
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5
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Validate decimal numbers in JavaScript - IsNumeric()
What's the cleanest, most effective way to validate decimal numbers in JavaScript?
49 Answers
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Android emulator-5554 offline
I'm having a problem with emulator-5554, it keeps telling me it is offline.
37 Answers
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How do I write a “tab” in Python?
Let's say I have a file. How do I write "hello" TAB "alex"?
6 Answers
6
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how to draw smooth curve through N points using javascript HTML5 canvas?
For a drawing application, I'm saving the mouse movement coordinates to an array then drawing them with lineTo. The resulting line is not smooth. How can I produce a single curve between all the gathered points?
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