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What is the purpose of Looper and how to use it?
...ass does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it.
I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpose of Looper and also by giving a simple example if pos...
Adding two Java 8 streams, or an extra element to a stream
I can add streams or extra elements, like this:
8 Answers
8
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Python base64 data decode
...t information from it. It seems that module does not work. Can anyone tell me how?
9 Answers
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How to detect if JavaScript is disabled?
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I assume that you're trying to decide whether or not to deliver JavaScript-enhanced content. The best implementations degrade cleanly, so that the site still operates without JavaScript. I also assume that you mean server-side det...
Is there a simple way to remove multiple spaces in a string?
...ub(' {2,}', ' ', 'The quick brown fox') to prevent redundant replacements of single-space with single-space.
– AneesAhmed777
May 16 '18 at 13:51
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How to solve javax.net.ssl.SSLHandshakeException Error?
...al with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-end process. Can any one say how to fix this issue?
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When use getOne and findOne methods Spring Data JPA
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TL;DR
T findOne(ID id) (name in the old API) / Optional<T> findById(ID id) (name in the new API) relies on EntityManager.find() that performs an entity eager loading.
T getOne(ID id) relies on EntityManager.getReference() that performs an entit...
How to [recursively] Zip a directory in PHP?
Directory is something like:
12 Answers
12
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Is functional GUI programming possible? [closed]
...ly prominent bindings.
There are several moderately mature, or more experimental purely functional/declarative approaches to GUIs, mostly in Haskell, and primarily using functional reactive programming.
Some examples are:
reflex-platform, https://github.com/reflex-frp/reflex-platform
grapefruit,...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
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It depends on the problem.
Adjacency Matrix
Uses O(n^2) memory
It is fast to lookup and check for presence or absence of a specific edge
between any two nodes O(1)
It is slow to iterate over all edges
It is slow to add/delete a node; a complex operation O(n^2)
It is fast to add ...