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EC2 instance has no public DNS
A guy I work with gave me the EC2 credentials to log onto his EC2 console. I was not the one who set it up. Some of the instances show a public dns name and others have a blank public DNS. I want to be able to connect to the instances that have a blank public DNS. I have not been able to figure out ...
How to get a complete list of ticker symbols from Yahoo Finance? [closed]
I've googled endlessly for a method of getting a complete (and daily updated) list of all Yahoo ticker symbols available through http://finance.yahoo.com
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What is the use of the @ symbol in PHP?
I have seen uses of @ in front of certain functions, like the following:
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Is Java's assertEquals method reliable?
I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...
How to parse a date? [duplicate]
I am trying to parse this date with SimpleDateFormat and it is not working:
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Check variable equality against a list of values
I'm checking a variable, say foo , for equality to a number of values. For example,
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How to define a custom ORDER BY order in mySQL
In MySQL how do I define a custom sorting order.
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In vim, how do I go back to where I was before a search?
Programming in vim I often go search for something, yank it, then go back to where I was, insert it, modify it.
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Django CharField vs TextField
What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...