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Ruby on Rails - Import Data from a CSV file
I would like to import data from a CSV file into an existing database 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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SELECT * FROM X WHERE id IN (…) with Dapper ORM
What is the best way to write a query with IN clause using Dapper ORM when the list of values for the IN clause is coming from business logic? For example let's say I have a query:
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What is the cleanest way to ssh and run multiple commands in Bash?
I already have an ssh agent set up, and I can run commands on an external server in Bash script doing stuff like:
12 Answer...
View git history for folder
...use either foldername or foldername/*. Either way should work.
git log -- path/to/folder
git log -- path/to/folder/*
History of renamed files will not be followed with this method.
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How do I make python wait for a pressed key?
I want my script to wait until the user presses any key.
12 Answers
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How to do a regular expression replace in MySQL?
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With MySQL 8.0+ you could use natively REGEXP_REPLACE function.
12.5.2 Regular Expressions:
REGEXP_REPLACE(expr, pat, repl[, pos[, occurrence[, match_type]]])
Replaces occurrences in the string expr that match the regular expression specified by the pattern pat with t...
Spring MVC: Complex object as GET @RequestParam
Suppose i have a page that lists the objects on a table and i need to put a form to filter the table. The filter is sent as an Ajax GET to an URL like that: http://foo.com/system/controller/action?page=1&prop1=x&prop2=y&prop3=z
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How to go to each directory and execute a command?
How do I write a bash script that goes through each directory inside a parent_directory and executes a command in each directory .
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Entity Framework: How to disable lazy loading for specific query?
Is there any way to disable lazy loading for specific query on Entity Framework 6? I want to use it regularly, but sometimes I want to disable it. I'm using virtual properties to lazy load them.
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How to customize an end time for a YouTube video?
I'm trying to figure out how I can specify a custom end time for an embedded YouTube video. I know that I can customize the start time by adding &start=30 , but I haven't seen anything relating to the end time.
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