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How do you send a HEAD HTTP request in Python 2?

What I'm trying to do here is get the headers of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without...
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How to source virtualenv activate in a Bash script

How do you create a Bash script to activate a Python virtualenv? 9 Answers 9 ...
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How do I output coloured text to a Linux terminal?

How do I print coloured characters to a Linux terminal that supports it? 13 Answers 13...
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Add icon to submit button in twitter bootstrap 2

... This was exactly what I was doing. However, the icon did not appear after I added in the <i> tag. It was extremely maddening, till I discovered I needed to clear the cache. If you run into the same problem, folks, hit Ctrl+F5 to clear cache and re...
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How do i find out what all symbols are exported from a shared object?

I have a shared object(dll). How do i find out what all symbols are exported from that? 9 Answers ...
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Converting Storyboard from iPhone to iPad

...u +100 from my own reputation. Brilliant advice! The only thing I couldn't do was to open the storyboard with Dashcode, so I used TextWrangler (but I think any text editor would do). Thanks! – Piotr Justyna Jan 3 '12 at 17:19 ...
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实时开发、测试和调试工具 · App Inventor 2 中文网

...非所有区块都会在菜单中提供相同的选择。 你可以使用 Do It 执行块的操作。 在调试像 MoleMash 这样的程序时,你可以选择“MoveMole”中的“Do It”,然后查看摩尔是否在手机上移动。 Do It 不仅会执行块的操作,还会弹出一个气...
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String formatting: % vs. .format vs. string literal

... will throw a TypeError. To guarantee that it always prints, you'd need to do "hi there %s" % (name,) # supply the single argument as a single-item tuple which is just ugly. .format doesn't have those issues. Also in the second example you gave, the .format example is much cleaner looking. Why...
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How do I ignore files in Subversion?

How do I ignore files in Subversion? 18 Answers 18 ...
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When NOT to use Cassandra?

...mple, MongoDB is fit for use cases where your system demands a schema-less document store. HBase might be fit for search engines, analyzing log data, or any place where scanning huge, two-dimensional join-less tables is a requirement. Redis is built to provide In-Memory search for varieties of data ...