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How do I request a file but not save it with Wget? [closed]
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Use q flag for quiet mode, and tell wget to output to stdout with O- (uppercase o) and redirect to /dev/null to discard the output:
wget -qO- $url &> /dev/null
> redirects application output (to a file). if > is preceded by ampersand, sh...
Ruby on Rails - Import Data from a CSV file
...ase 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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Script parameters in Bash
...arguments that you provide to a bashscript will appear in the variables $1 and $2 and $3 where the number refers to the argument. $0 is the command itself.
The arguments are seperated by spaces, so if you would provide the -from and -to in the command, they will end up in these variables too, so fo...
proper hibernate annotation for byte[]
I have an application using hibernate 3.1 and JPA annotations. It has a few objects with byte[] attributes (1k - 200k in size). It uses the JPA @Lob annotation, and hibernate 3.1 can read these just fine on all major databases -- it seems to hide the JDBC Blob vendor peculiarities (as it should do...
How to get an outline view in sublime texteditor?
... happens when I press ctrl-r. I have a php file open. Can I locate the command in a menu? Does this work without a plugin? karlthorwald
– user89021
Feb 6 '10 at 3:34
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Sorting a vector of custom objects
...ting a vector containing custom (i.e. user defined) objects.
Probably, standard STL algorithm sort along with a predicate (a function or a function object) which would operate on one of the fields (as a key for sorting) in the custom object should be used.
Am I on the right track?
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Does order of where clauses matter in SQL?
...irstName , none of these columns are indexed.
LastName is more unique, and FirstName is less unique.
6 Answers
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Is putting a div inside an anchor ever correct?
...<a> element "may be wrapped around entire paragraphs, lists, tables, and so forth, even entire sections, so long as there is no interactive content within (e.g. buttons or other links)".
HTML 4.01 specifies that <a> elements may only contain inline elements. A <div> is a block elem...
What is the difference between `raise “foo”` and `raise Exception.new(“foo”)`?
...echnically, the first raises a RuntimeError with the message set to "foo", and the second raises an Exception with the message set to "foo".
Practically, there is a significant difference between when you would want to use the former and when you want to use the latter.
Simply put, you probably w...
Calculating moving average
... R not containing future values of given timestamp? I checked forecast::ma and it contains all neighbourhood, not right.
– hhh
Sep 7 '18 at 20:52
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