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Python TypeError: not enough arguments for format string

...fficult to explain to a newcomer. The notation a = a.format(1,2,3) is much more explicit and easier to understand/teach. I don't have a link but this is the main reason why format() was introduced (ease of understanding). – Simeon Visser Jun 3 '15 at 19:09 ...
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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby

...f you want H:M:S format, Option3 if you want H:M:S format and there can be more than 24 hours share | improve this answer | follow | ...
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How to log out user from web site using BASIC authentication?

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What should every programmer know about security? [closed]

...yption is a recipe for disaster. But rolling your own blog engine might be more secure as Fosco points out - if you roll your own you are less likely to be caught by automated attacks that wordpress installs have to deal with. – James P McGrath May 8 '12 at 1:4...
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Java Logging vs Log4J [closed]

...ns, go with Log4j. If you answer a definite no to all of them, JUL will be more than adequate and it's conveniently already included in the SDK. That said, pretty much every project these days seems to wind up including log4j, if only because some other library uses it. ...
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In C/C++ what's the simplest way to reverse the order of bits in a byte?

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What is the difference between ports 465 and 587?

... Note that while unofficial, port 465 offers the end user more assurance that they are really talking over an encrypted channel. Port 587, with TLS being optional, means an end user could be providing their credentials over an unencrypted channel. With email clients being what the...
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How do I grep recursively?

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How can I test what my readme.md file will look like before committing to github?

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Rails: How can I set default values in ActiveRecord?

...rue if self.bool_field.nil? See Paul Russell's comment on this answer for more details If you're only selecting a subset of columns for a model (ie; using select in a query like Person.select(:firstname, :lastname).all) you will get a MissingAttributeError if your init method accesses a column that...