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Build vs new in Rails 3
...henrym:~/testapp$ rails c
Loading development environment (Rails 3.0.4)
r:001 > (some_firm = Firm.new).save # Create and save a new Firm
#=> true
r:002 > some_firm.clients # No clients yet
#=> []
r:003 > some_firm.clients.new # Create a new client
#=> #<Client ...
Rails has_and_belongs_to_many migration
...ionship.
– B Seven
Feb 27 '15 at 18:01
1
...
Detecting an undefined object property
...net/djH9N/6
– Zack
Sep 24 '12 at 19:01
7
@Zack Your tests for isNullorUndefined did not consider ...
conditional unique constraint
...ation of that index, a uniqueness violation will raise an arror:
Msg 2601, Level 14, State 1, Line 13
Cannot insert duplicate key row in object 'dbo.MyTable' with unique index 'MyIndex'. The duplicate key value is (9999).
Note: the filtered index was introduced in SQL Server 2008. For earlie...
Change the Target Framework for all my projects in a Visual Studio Solution
... Dorman's Visual Studio macro available on CodeProject:
Visual Studio 2010 and Target Framework Version
Below is the code, download it to your <UserProfile>\Documents\Visual Studio 2010\Projects\VSMacros80\MyMacros folder, open the Visual Studio Macro IDE (Alt-F11) and add it as an exist...
Can I find out the return value before returning while debugging in Intellij?
...
answered Feb 16 '11 at 1:01
jluzwickjluzwick
1,87011 gold badge1212 silver badges2222 bronze badges
...
Difference between Lookup() and Dictionary(Of list())
...(around 3x slower for huge number of items)
Lookup speed:
Creation: 00:00:01.5760444
Dictionary speed:
Creation: 00:00:00.4418833
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JavaScript OOP in NodeJS: how?
...create()?)
– fusio
Aug 12 '13 at 14:01
@fusio Object.create doesn't invoke the constructor... if the constructor has s...
How are ssl certificates verified?
...
ppostma1
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answered Oct 9 '08 at 17:28
Eli CourtwrightEli Cou...
Pass correct “this” context to setTimeout callback?
...
EDIT: In summary, back in 2010 when this question was asked the most common way to solve this problem was to save a reference to the context where the setTimeout function call is made, because setTimeout executes the function with this pointing to the ...