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What is difference between Collection.stream().forEach() and Collection.forEach()?
...number of subtle differences that might be significant.
One issue is with ordering. With Stream.forEach, the order is undefined. It's unlikely to occur with sequential streams, still, it's within the specification for Stream.forEach to execute in some arbitrary order. This does occur frequently in ...
How to clear MemoryCache?
...ary objects, it must bring everything together into a single collection in order to hand back an enumerator. Every call to GetEnumerator executes the full copy process detailed above. The newly created Dictionary contains references to the original internal key and value objects, so your actual ca...
Installing Java on OS X 10.9 (Mavericks)
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Edited - but not actually sure that the re-ordering really happens: they all seem to be where they were, regardless of upvotes. NVM
– Marco Massenzio
Dec 25 '13 at 2:41
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How does std::forward work? [duplicate]
...uld be made.
set(makeAndFillVector()); // set will still make a copy
In order to avoid this copy, you need "perfect forwarding", which would result in optimal code every time. If you're given an lvalue, you want your function to treat it as an lvalue and make a copy. If you're given an rvalue, yo...
ASP.NET MVC Razor Concatenation
...u can even use this way to concat more strings:
<li id="@("item-"+item.Order + "item_"+item.ShopID)" class="ui-state-default"></li>
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Makefile, header dependencies
...n the object files, when it should obviously be on the sources and had the order of dependency wrong for the two targets, too. That's what I get for typing from memory. Try it now.
– dmckee --- ex-moderator kitten
Aug 23 '11 at 21:15
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Functional programming - is immutability expensive? [closed]
...storage in the form of stack space for the recursive step, which is in the order of O(log n) in the best case, but O(n) in the worst case.
Implementing a functional variant of quicksort that operates on arrays defeats the purpose. Arrays are never immutable.
The “proper” functional implementatio...
read complete file without using loop in java
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List of ANSI color escape sequences
...ete set of ANSI escape codes: ascii-table.com/ansi-escape-sequences-vt-100.php
– formixian
Mar 26 '18 at 19:18
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Use find command but exclude files in two directories
...( -path "./tmp" -path "./scripts" \) ! -prune -o -name "*_peaks.bed"
The order is important. It evaluates from left to right.
Always begin with the path exclusion.
Explanation
Do not use -not (or !) to exclude whole directory. Use -prune.
As explained in the manual:
−prune The primary shall a...