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Can't find the 'libpq-fe.h header when trying to install pg gem
I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error:
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“Large data” work flows using pandas
I have tried to puzzle out an answer to this question for many months while learning pandas. I use SAS for my day-to-day work and it is great for it's out-of-core support. However, SAS is horrible as a piece of software for numerous other reasons.
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Is Safari on iOS 6 caching $.ajax results?
Since the upgrade to iOS 6, we are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happenin...
How to print a dictionary line by line in Python?
This is the dictionary
13 Answers
13
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How would I run an async Task method synchronously?
I'm learning about async/await, and ran into a situation where I need to call an async method synchronously. How can I do that?
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UITableViewCell Separator disappearing in iOS7
I have some strange issue with UITableView only in iOS 7.
37 Answers
37
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How to get a key in a JavaScript object by its value?
I have a quite simple JavaScript object, which I use as an associative array. Is there a simple function allowing me to get the key for a value, or do I have to iterate the object and find it out manually?
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Error “The connection to adb is down, and a severe error has occurred.”
I've spent days trying to launch any Android program. Even "Hello World" gives me the same error:
39 Answers
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Node.js vs .Net performance
I've read a lot about Node.js being fast and able to accommodate large amounts of load. Does anyone have any real world evidence of this vs other frameworks, particularly .Net? Most of the articles i've read are anecdotal or don't have comparisons to .Net.
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Pass a JavaScript function as parameter
How do I pass a function as a parameter without the function executing in the "parent" function or using eval() ? (Since I've read that it's insecure.)
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