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Init method in Spring Controller (annotation version)
... @PostConstruct since autowiring/injection by setter was not yet done. The order is constructor, @PostConstruct then autowired setters. I solved it with @EventListener annotation which wil run last and at the "same" time for all beans. The example shows implementation of InitializingBean aswell.
I ...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
... Add column with default value
2) THEN: Remove default value
add_column :orders, :items, :integer, null: false, default: 0
change_column :orders, :items, :integer, default: nil
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Choosing between MEF and MAF (System.AddIn)
.... While this sounds great, it comes with a heavy price you have to pay in order to cross appdomains. You pay this price in speed and also in the flexibility of the types that you can send back and forth.
MEF is more like dependency injection with some additional benefits such as discoverability a...
Spring MVC @PathVariable with dot (.) is getting truncated
...isteredSuffixPatternMatch property of RequestMappingHandlerMapping bean in order to keep suffixPattern recognition activated but limited to registered extension.
Here you define only json and xml extensions :
<bean id="handlerMapping"
class="org.springframework.web.servlet.mvc.method.ann...
When should I choose Vector in Scala?
...ector[A], the only thing I am asserting is that my data has a well defined order and a finite length. Thus, the assertions are weaker with Vector, and this leads to its greater flexibility.
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How do I convert an enum to a list in C#? [duplicate]
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Awesome. Just realized that the ordering of the list can be specified by the 'value' of the enums. Ex: enum Foo { A = 1, B = 2, D = 4, C = 3, } => Once this is ran thru the GetValue and Cast, then the order is A, B, C, D. Fantastic!
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Why must wait() always be in synchronized block
We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
angular.service vs angular.factory
...those variables/function to ‘service’. We’re simply creating them in order to either use or modify them later.
baseUrl is the base URL that the iTunes API requires
_artist is the artist we wish to lookup
_finalUrl is the final and fully built URL to which we’ll make the call to iTunes mak...
Postgresql SELECT if string contains
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shouldn't be the order of aaaa and tag_name reversed? i mean that you should put a column name after where
– user151496
May 11 '15 at 15:10
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Capistrano error tar: This does not look like a tar archive
...ites it out to the standard output" so Capistrano redirects that to tar in order to uncompress the archive immediately into your new release directory.
(Why Capistrano chose this instead of git checkout defeats me.)
tar fails because it's receiving nothing d:
I can think of two possible solutions/...