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Why does Iterable not provide stream() and parallelStream() methods?
...Streams.stream(Spliterators.spliteratorUnknownSize(iterator,
Spliterator.ORDERED))
And then Brian Goetz responded:
I think Sam's point was that there are plenty of library classes that
give you an Iterator but don't let you necessarily write your own
spliterator. So all you can do is ca...
What are naming conventions for MongoDB?
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Naming convention for collection
In order to name a collection few precautions to be taken :
A collection with empty string (“”) is not a valid collection name.
A collection name should not contain the null character because this defines the end of collect...
How do I get the row count of a pandas DataFrame?
...
(3,3) matrix is bad example as it does not show the order of the shape tuple
– xaedes
Aug 15 '17 at 16:42
4
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REST vs JSON-RPC? [closed]
...ents:
Clients are required to know procedure names;
Procedure parameters order, types and count matters. It's not that easy to change procedure signatures(number of arguments, order of arguments, argument types etc...) on server side without breaking client implementations;
RPC style doesn't expos...
Swift Beta performance: sorting arrays
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type and size as the old one, with its elements in the correct sorted
order.
The sort function has two declarations.
The default declaration which allows you to specify a comparison closure:
func sort<T>(array: T[], pred: (T, T) -> Bool) -> T[]
And a second declaration that on...
General guidelines to avoid memory leaks in C++ [closed]
...
@Shiftbit: Three ways, in order of preference: _ _ _ 1. Put real object inside the STL container. _ _ _ 2. Put smart pointers (shared_ptr) of objects inside the STL container. _ _ _ 3. Put raw pointers inside the STL container, but wrap the container ...
How do I create a link using javascript?
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In order to avoid XSS, you should avoid string concatenation (+) and .innerHTML when building HTML. With jQuery, .attr("href", desiredLink) and .text(desiredText) are what you want here.
– Wes Turner
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How do I use reflection to invoke a private method?
...meters, or with too much parameters, or not enough... or even in the wrong order (this one my favourite :) ). By the way return type could change as well.
Reflection is slow.
Private members reflection breaks encapsulation principle and thus exposing your code to the following :
Increase complex...
Recommended way of making React component/div draggable
...(use ImagePreloaderMixin to load them);
Say, we want to make ImageBlocks reorderable. We only need them to implement dropTarget and dragSource for ItemTypes.BLOCK.
Suppose we add other kinds of blocks. We can reuse their reordering logic by placing it in a mixin.
dropTargetFor(...types) allows to sp...
Combining node.js and Python
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There are several ways to achieve this and here is the list in increasing order of complexity
Python Shell, you will write streams to the python console and it
will write back to you
Redis Pub Sub, you can have a channel
listening in Python while your node js publisher pushes data
Websocket...