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How to remove a field from params[:something]
My registration form, which is a form for the Users model, takes a string value for company. However, I have just made a change such that users belongs_to companies. Therefore, I need to pass an object of Company to the Users model.
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Add a column to existing table and uniquely number them on MS SQL Server
I want to add a column to an existing legacy database and write a procedure by which I can assign each record a different value. Something like adding a column and autogenerate the data for it.
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Is there a way to iterate over a dictionary?
I know NSDictionaries as something where you need a key in order to get a value . But how can I iterate over all keys and values in a NSDictionary , so that I know what keys there are, and what values there are? I know there is something called a for-in-loop in JavaScript . Is there som...
Spring Data: “delete by” is supported?
I am using Spring JPA for database access. I am able to find examples such as findByName and countByName, for which I dont have to write any method implementation. I am hoping to find examples for delete a group of records based on some condition.
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How can I select rows with most recent timestamp for each key value?
...ch row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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How to list all the files in a commit?
I am looking for a simple git command that provides a nicely formatted list of all files that were part of the commit given by a hash (SHA1), with no extraneous information.
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Custom ImageView with drop shadow
Okay, I've been reading and searching around, and am now banging my head against the wall trying to figure this out. Here's what I have so far:
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What is href=“#” and why is it used?
On many websites I see links that have href="#" . What does it mean? What is it used for?
9 Answers
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How do I unbind “hover” in jQuery?
How do I unbind "hover" in jQuery?
8 Answers
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How to decorate a class?
In Python 2.5, is there a way to create a decorator that decorates a class? Specifically, I want to use a decorator to add a member to a class and change the constructor to take a value for that member.
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