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How to get the top 10 values in postgresql?

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RSpec: how to test if a method was called?

When writing RSpec tests, I find myself writing a lot of code that looks like this in order to ensure that a method was called during the execution of a test (for the sake of argument, let's just say I can't really interrogate the state of the object after the call because the operation the method p...
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Replace None with NaN in pandas dataframe

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Apache: “AuthType not set!” 500 Error

It's been a while since I used the Apache httpd web server. I'm firing up a local server for a project and when I try to request localhost/index.html, I get a 500 error and I see this in the error log: ...
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How can I output UTF-8 from Perl?

I am trying to write a Perl script using the "utf8" pragma, and I'm getting unexpected results. I'm using Mac OS X 10.5 (Leopard), and I'm editing with TextMate. All of my settings for both my editor and operating system are defaulted to writing files in utf-8 format. ...
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Force Screen On

How do I force the screen to stay active and not shut off while my app is running? 3 Answers ...
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Turn off spell checking in Eclipse for good

Every time I create a new workspace in Eclipse I have to turn off the spell checking via Preferences. (Preferences->General->Editors->Text Editors->Spelling->Enable Spell Checking) ...
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How to convert ActiveRecord results into an array of hashes

I have an ActiveRecord result of a find operation: 3 Answers 3 ...
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Is it possible for a unit test to assert that a method calls sys.exit()

I have a python 2.7 method that sometimes calls 4 Answers 4 ...
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How to convert timestamp to datetime in MySQL?

How to convert 1300464000 to 2011-03-18 16:00:00 in MySQL? 5 Answers 5 ...