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Rails find_or_create_by more than one attribute?
...se find_or_initialize_by if you don't want to save the record right away)
Edit: The above method is deprecated in Rails 4. The new way to do it will be:
GroupMember.where(:member_id => 4, :group_id => 7).first_or_create
and
GroupMember.where(:member_id => 4, :group_id => 7).first_or...
Difference between socket and websocket?
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edited May 10 '13 at 15:17
NTUI
31944 silver badges1212 bronze badges
answered...
How to pass the values from one activity to previous activity
...within another requires three steps.
Launch the secondary Activity (your 'Edit Text' Activity) as a subactivity by using startActivityForResult from your main Activity.
Intent i = new Intent(this,TextEntryActivity.class);
startActivityForResult(i, STATIC_INTEGER_VALUE);
Within the subactivit...
Matplotlib scatterplot; colour as a function of a third variable
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edited Sep 16 '15 at 12:39
answered Nov 20 '11 at 21:43
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How to find a Java Memory Leak
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edited Sep 11 '15 at 17:17
John
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Solving a “communications link failure” with JDBC and MySQL [duplicate]
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edited Apr 5 '17 at 16:20
answered May 27 '12 at 7:40
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How do I make an attributed string using Swift?
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edited Mar 1 '19 at 17:56
Mike Fogel
2,4902020 silver badges2020 bronze badges
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Use CSS3 transitions with gradient backgrounds
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edited Oct 15 '18 at 23:46
answered Jul 1 '11 at 0:55
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Expand/collapse section in UITableView in iOS
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edited Apr 5 '18 at 8:55
Arya Tavakoli
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answered Dec 21 '09 ...
Spring Boot application as a Service
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edited Oct 18 '19 at 18:02
Daniel
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answere...