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How to run code when a class is subclassed? [duplicate]
Is there a way to trigger code when my class is subclassed?
2 Answers
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POSTing a @OneToMany sub-resource association in Spring Data REST
...n using Spring Data REST. I have a domain entity Post which has the @OneToMany relationship to another domain entity, Comment . These classes are structured as follows:
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Get the current first responder without using a private API
...mitted my app a little over a week ago and got the dreaded rejection email today. It tells me that my app cannot be accepted because I'm using a non-public API; specifically, it says,
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What it the significance of the Javascript constructor property?
Trying to bend by head around Javascript's take on OO...and, like many others, running into confusion about the constructor property. In particular, the significance of the constructor property, as I can't seem to make it have any effect. E.g.:
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How do I use boolean variables in Perl?
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In Perl, the following evaluate to false in conditionals:
0
'0'
undef
'' # Empty scalar
() # Empty list
('')
The rest are true. There are no barewords for true or false.
share
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How to pipe stdout while keeping it on screen ? (and not to a output file)
I would like to pipe standard output of a program while keeping it on screen.
5 Answers
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iPhone - Grand Central Dispatch main thread
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Dispatching a block to the main queue is usually done from a background queue to signal that some background processing has finished e.g.
- (void)doCalculation
{
//you can use any string instead "com.mycompany.myqueue"
dispatch_queue_t ...
Sublime Text 3, convert spaces to tabs
I know there are a lot of posts about this, but I couldn´t get it to work.
I use tabs for coding. Is there a way, to convert always spaces to tabs? I.e. on open and on Save files? Anyone got an idea?
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How to Display blob (.pdf) in an AngularJS app
I have been trying to display pdf file which I am getting as a blob from a $http.post response. The pdf must be displayed within the app using <embed src> for example.
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Variable declaration placement in C
I long thought that in C, all variables had to be declared at the beginning of the function. I know that in C99, the rules are the same as in C++, but what are the variable declaration placement rules for C89/ANSI C?
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