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Storing money in a decimal column - what precision and scale?
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If you are looking for a one-size-fits-all, I'd suggest DECIMAL(19, 4) is a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decima...
How to loop through file names returned by find?
...ime, read through the rest to see several different ways and the problems with most of them.
The full answer:
The best way depends on what you want to do, but here are a few options. As long as no file or folder in the subtree has whitespace in its name, you can just loop over the files:
for i ...
Best practices for SQL varchar column length [closed]
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No DBMS I know of has any "optimization" that will make a VARCHAR with a 2^n length perform better than one with a max length that is not a power of 2.
I think early SQL Server versions actually treated a VARCHAR with length 255 differently than one with a higher maximum length. I don't kno...
Ruby on Rails - Import Data from a CSV file
...tabase table. I do not want to save the CSV file, just take the data from it and put it into the existing table. I am using Ruby 1.9.2 and Rails 3.
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capturing self strongly in this block is likely to lead to a retain cycle
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The capture of self here is coming in with your implicit property access of self.timerDisp - you can't refer to self or properties on self from within a block that will be strongly retained by self.
You can get around this by creating a weak reference to self bef...
What is the difference between and ?
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The previous code was
<p class='item'><span class='name'>*Scrambled eggs on crusty Italian ciabatta and bruschetta tomato</span><span class='price'>$12.50</span></p>
So I have to changed it to
<div class='item'><...
Map a network drive to be used by a service
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You'll either need to modify the service, or wrap it inside a helper process: apart from session/drive access issues, persistent drive mappings are only restored on an interactive logon, which services typically don't perform.
The h...
URL Fragment and 302 redirects
It's well known that the URL fragment (the part after the # ) is not sent to the server.
4 Answers
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes
...ny hours on end looking to a solution to my seemingly easy-to-fix problem. It's not that my search turned up nothing, it's that my search turned up so many different solutions -none of which have worked.
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Best way to parse RSS/Atom feeds with PHP [closed]
I'm currently using Magpie RSS but it sometimes falls over when the RSS or Atom feed isn't well formed. Are there any other options for parsing RSS and Atom feeds with PHP?
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