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Is there a destructor for Java?
...ere is no direct equivalent of a destructor.
There is an inherited method called finalize, but this is called entirely at the discretion of the garbage collector. So for classes that need to explicitly tidy up, the convention is to define a close method and use finalize only for sanity checking (i....
Understanding events and event handlers in C#
...es. The event must internally store a "list" of pointers to the methods to call when the event is raised.* Of course, to be able to call a method, we need to know what arguments to pass to it! We use the delegate as the "contract" between the event and all the specific methods that will be called.
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What is the best way to implement “remember me” for a website? [closed]
...the standard session management cookie.
The login cookie contains a series identifier and a token. The series and token are unguessable random numbers from a suitably large space. Both are stored together in a database table, the token is hashed (sha256 is fine).
When a non-logged-in user visits the...
Spring Data JPA - “No Property Found for Type” Exception
... is just a service using the UserBoardRepository.
– Didier L
Apr 9 '19 at 15:48
that's my case! I had no problem befor...
How do you know when to use fold-left and when to use fold-right?
... (foldl and foldr take an external initial value), and Haskell's "cons" is called (:) not (::), but otherwise this is correct. You may want to add that Haskell additionally provides a foldl'/foldl1' which are strict variants of foldl/foldl1, because lazy arithmetic is not always desirable.
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Elastic search, multiple indexes vs one index and types for different data sets?
...our hardware.
If you are asking what is too much data vs small data? Typically it depends on the processor speed and the RAM of your hardware, the amount of data you store within each variable in your mapping for Elasticsearch and your query requirements; using many facets in your queries is going...
How to pass arguments to a Button command in Tkinter?
...ce you to write lots of wrapper methods if you don't have control over the called method, but that's certainly a matter of taste.
That's how you'd do it with a lambda (note there's also some implementation of currying in the functional module, so you can use that too):
button = Tk.Button(master=fr...
How do I call some blocking method with a timeout in Java?
Is there a standard nice way to call a blocking method with a timeout in Java? I want to be able to do:
10 Answers
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How to $http Synchronous call with AngularJS
Is there any way to make a synchronous call with AngularJS?
7 Answers
7
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How do I find Waldo with Mathematica?
..., ZIP code readers, and strokeless handwriting recognition work today. Basically you know the answer is there, you know more or less what it should look like, and everything else may have common elements, but is definitely "not it", so you don't bother with the "not it"s, you just look of the likeli...