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How to execute a raw update sql with dynamic binding in rails
...could try accessing the underlying connection and using it's methods, e.g. for MySQL:
st = ActiveRecord::Base.connection.raw_connection.prepare("update table set f1=? where f2=? and f3=?")
st.execute(f1, f2, f3)
st.close
I'm not sure if there are other ramifications to doing this (connections lef...
Get city name using geolocation
...t using Google API.
Please note you must include the google maps library for this to work. Google geocoder returns a lot of address components so you must make an educated guess as to which one will have the city.
"administrative_area_level_1" is usually what you are looking for but sometimes lo...
How to start new activity on button click
...e = intent.getStringExtra("key"); //if it's a string you stored.
}
Don't forget to add your new activity in the AndroidManifest.xml:
<activity android:label="@string/app_name" android:name="NextActivity"/>
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Android: checkbox listener
I want to put a Listener over a CheckBox . I looked for info and it is like this:
10 Answers
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Form inside a form, is that alright? [duplicate]
Whether we can have a form inside another form?. Is there any problem with that.
9 Answers
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How to check if a stored procedure exists before creating it
...onymous code as well. Of course there are drawbacks in the anonymous code: for instance, it only runs under the caller's privileges. My point is that it is possible, not preferred way of doing things :)
– Quassnoi
Jan 15 '10 at 14:50
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@RequestParam vs @PathVariable
.../localhost:8080/MyApp/user/1234/invoices?date=12-05-2013 gets the invoices for user 1234 on December 5th, 2013, the controller method would look like:
@RequestMapping(value="/user/{userId}/invoices", method = RequestMethod.GET)
public List<Invoice> listUsersInvoices(
@PathVariable...
Set select option 'selected', by value
..."I have a select field with some options in it..." so it's not empty, therefore solution remains correct.
– pinghsien422
Jul 10 '14 at 17:37
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rails 3 validation on uniqueness on multiple attributes
...ls 3:
validates :zipcode, :uniqueness => {:scope => :recorded_at}
For multiple attributes:
validates :zipcode, :uniqueness => {:scope => [:recorded_at, :something_else]}
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Set Value of Input Using Javascript Function
...t function to validate the output that comes from the div that YUI draws for me:
8 Answers
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