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Can I set null as the default value for a @Value in Spring?
...ckoverflow.com/questions/9347929/… mentions using ${some.param:#{null}}, and that worked for me without having to set nullValue, seems that this is the default? (In a Spring Boot application.)
– vorburger
Oct 5 '14 at 21:43
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What is the size of an enum in C?
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Taken from the current C Standard (C99): http://www.open-std.org/JTC1/SC22/WG14/www/docs/n1256.pdf
6.7.2.2 Enumeration specifiers
[...]
Constraints
The expression that defines the value of an enumeration constant shall be an integer
constan...
How to merge a transparent png image with another image using PIL
I have a transparent png image "foo.png"
and I've opened another image with
7 Answers
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Google Authenticator available as a public service?
...ented algorithm (noted in the RFC listed on the open source project page), and the authenticator implementations support multiple accounts.
The actual process is straightforward. The one time code is, essentially, a pseudo random number generator. A random number generator is a formula that once gi...
How to use if statements in underscore.js templates?
I'm using the underscore.js templating function and have done a template like this:
8 Answers
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Spring ApplicationContext - Resource leak: 'context' is never closed
...licationContext which implements Closable. Thus, it's got a close() method and can be used in a try-with-resources statement.
try (ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("META-INF/userLibrary.xml")) {
service = context.getBean(UserLibrary.class);
}
Whether y...
How to filter by object property in angularJS
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I'm not sure to understand. If you want to choose the polarity to filter, you can pass a scope variable instead of a plain text : filter:{polarity:polarityToFilter} where $scope.polarityToFilter is filled by a click on one of the three buttons. Is ...
Defining TypeScript callback type
...signature like:
interface myCallbackType { (myArgument: string): void }
and use it like this:
public myCallback : myCallbackType;
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How do I pipe a subprocess call to a text file?
RIght now I have a script that I run. When I run it and it hits this line, it starts printing stuff because run.sh has prints in it.
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In MVVM should the ViewModel or Model implement INotifyPropertyChanged?
... the Model implement INotifyPropertyChanged , but in Josh Smith's CommandSink example the ViewModel implements INotifyPropertyChanged .
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