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When creating HTML emails, should we use html, head, body tags?

In my email views, I usually just do something like... 6 Answers 6 ...
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Clearing NSUserDefaults

...e time studying the Apple documentation and resetStandardUserDefaults basically flushes the in-memory buffer to disk and wipes it clean. So the next time you try to retrieve a value it has to grab it from disk. Core Data's NSManagedObjectContext also uses similar "reset" terminology. ...
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How do I make a list of data frames?

...to your question, but you want to use = and not <- within the function call. If you use <-, you'll end up creating variables y1 and y2 in whatever environment you're working in: d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6)) y1 # [1] 1 2 3 y2 # [1] 4 5 6 This won't have the s...
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How can I check for NaN values?

...did not work reliably. Used numpy instead." Having said that, I've not actually ever seen it fail. – mavnn Jan 26 '10 at 13:18 24 ...
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Converting bytes to megabytes

... Traditionally by megabyte we mean your second option -- 1 megabyte = 220 bytes. But it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebi...
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Keeping it simple and how to do multiple CTE in a query

...S ( SELECT 2 AS id ) SELECT * FROM cte1 UNION ALL SELECT * FROM cte2 UNION ALL SELECT * FROM cte1 Note, however, that SQL Server may reevaluate the CTE each time it is accessed, so if you are using values like RAND(), NEWID() etc., they may change between the C...
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JavaScript .replace only replaces first Match [duplicate]

...replace only the first match, the /g modifier (global) tells it to replace all occurrences. share | improve this answer | follow | ...
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What is java pojo class, java bean, normal class? [duplicate]

Hi please don't say my question is duplicate :-) I saw all questions but didn't understand the exact difference. 3 Answers ...
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Elegant way to search for UTF-8 files with BOM?

For debugging purposes, I need to recursively search a directory for all files which start with a UTF-8 byte order mark (BOM). My current solution is a simple shell script: ...
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What's the point of NSAssert, actually?

...hat value is what you expect it to be, and if it's not then something is really wrong, and so the app quits. Assert can be very useful for debugging/unit testing, and also when you provide frameworks to stop the users from doing "evil" things. ...