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How to merge every two lines into one from the command line?
I have a text file with the following format. The first line is the "KEY" and the second line is the "VALUE".
21 Answers
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Error in plot.new() : figure margins too large, Scatter plot
I've looked in different questions for a solution and I've tried what was suggested but I have not found a solution to make it work.
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How to convert a DOM node list to an array in Javascript?
...es, but it expects a Javascript array (it runs some Array methods on that) and I want to feed it the output of Document.getElementsByTagName that returns a DOM node list.
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PHP Pass by reference in foreach [duplicate]
...e, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : )
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Given an array of numbers, return array of products of all other numbers (no division)
I was asked this question in a job interview, and I'd like to know how others would solve it. I'm most comfortable with Java, but solutions in other languages are welcome.
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Ruby on Rails production log rotation
...ted setups
config.logger = SyslogLogger.new
That way, you log to syslog, and can use default logrotate tools to rotate the logs.
Option 2: normal Rails logs + logrotate
Another option is to simply configure logrotate to pick up the logs left by rails.
On Ubuntu and Debian that would be, for ex...
How to assign Profile values?
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I had the same problem today, and learned a lot.
There are two kinds of project in Visual Studio -- "Web Site Projects" and "Web Application Projects." For reasons which are a complete mystery to me, Web Application Projects cannot use Profile. directly....
Is there an easy way to request a URL in python and NOT follow redirects?
...2 it looks like the easiest way to do it would be to subclass HTTPRedirectHandler and then use build_opener to override the default HTTPRedirectHandler, but this seems like a lot of (relatively complicated) work to do what seems like it should be pretty simple.
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Android Webview - Completely Clear the Cache
I have a WebView in one of my Activities, and when it loads a webpage, the page gathers some background data from Facebook.
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Sound effects in JavaScript / HTML5
... API by W3C
As of July 2012, the WebAudio API is now supported in Chrome, and at least partly supported in Firefox, and is slated to be added to IOS as of version 6.
Although it is robust enough to be used programatically for basic tasks, the Audio element was never meant to provide full audio sup...