Output array based on date (sales figures by day)

I have a table with a float called \'cost\' and timestamp called\'created_at\'. I would like it to output an array with the summing the costs for each particular day in the last month.

Which is best in Python: urllib2, PycURL or mechanize?

Ok so I need to download some web pages using Python and did a quick investigation of my options. Included with Python:

Get zoomed image from UIImageView

I am using a UIImageview inside a UIScrollView to let users pinch and zoom the image. I now want to get the image which the user has modified (small or zoomed in). How can I do this?

How can I store the new SVN revision number in my source code after I commit? (TortoiseSVN)

Is it possible, via TortoiseSVN, to know the SVN rev number you are about to get prior to a commit so that I can put that rev# into the source code comment section?

止咳润肺吃什么好？

推荐在目录吃什么止咳润肺。吃什么水果止咳润肺？止咳润肺的饮食注意事项很常见。现在很多人都会有这个烦恼问题。在这个时候，学习如何止咳润肺对我们来说非常重要。那么我们吃什么样的食物才能有止咳润肺的效果呢，

Is communication in java rmi secure?

Is communication between clients and servers in java rmi secure (i.e. e开发者_Python百科ncrypted by default)?Encoded, yes. Encrypted, no.

Problem in RoR testing

I reading/learning \"agile develpment..\" now i\'m on Chapter 14 (testing)/ when i tried to run \"@ruby -I test test/unit/product_test.rb\"

Problem With View Helpers

I wrote few custom view helpers but I have a little trouble using them. If I add the helper path in controller action like this:

成都两日游攻略？

How to rapidly read data coming through a 10GbE NIC?

I have two debian boxes connected by a CX4 cable going between two 10 GbE cards.One is going to be generating data very quickly (between 4Gbits/s and 16Gbits/s), and the other needs to be able to grab