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SQL multiple column ordering
...ng to sort by multiple columns in SQL, and in different directions. column1 would be sorted descending, and column2 ascending.
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Build vs new in Rails 3
...enrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client i...
How to deny access to a file in .htaccess
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189
Within an htaccess file, the scope of the <Files> directive only applies to that directo...
How exactly does a generator comprehension work?
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147
Do you understand list comprehensions? If so, a generator expression is like a list comprehens...
How do you remove the root CA certificate that fiddler installs
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Since Fiddler 4.6.1.5 the GUI is a bit different.
Go to Tools -> Fiddler Options -> HTTPS. Then click the "Actions" button and then "Reset All Certificates"
It will popup a message that it could take a while but it's really quick. Appro...
How to use jQuery in chrome extension?
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128
You have to add your jquery script to your chrome-extension project and to the background sect...
How do I run a single test with Nose in Pylons
I have a Pylons 1.0 app with a bunch of tests in the test/functional directory.
I'm getting weird test results and I want to just run a single test.
The nose documentation says I should be able to pass in a test name at the command line but I get ImportErrors no matter what I do
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SQL standard to escape column names?
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Quotation Mark "
The SQL:1999 standard specifies that double quote (") (QUOTATION MARK) is used to delimit identifiers.
<delimited identifier> ::= <double quote> <delimited identifier body> <double quote>
Oracle, PostgreSQL...
Passing command line arguments to R CMD BATCH
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115
My impression is that R CMD BATCH is a bit of a relict. In any case, the more recent Rscript e...
Control the size of points in an R scatterplot?
... not too small dot. Basically, I find pch='.' to be too small, but pch=19 to be too fat. Is there something in the middle or some way to scale the dots down somehow?
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