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Java 8 Streams: multiple filters vs. complex condition
...sks¹.
So there is no simple answer.
The bottom line is, don’t think about such performance differences below the odor detection threshold. Use what is more readable.
¹…and would require an implementation doing parallel processing of subsequent stages, a road currently not taken by the sta...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...ect
buffers are intended for interaction
with channels and native I/O routines.
They make a best effort to store the
byte elements in a memory area that a
channel can use for direct, or raw,
access by using native code to tell
the operating system to drain or fill
the memory area dir...
Sort JavaScript object by key
...
The other answers to this question are outdated, never matched implementation reality, and have officially become incorrect now that the ES6/ES2015 spec has been published.
See the section on property iteration order in Exploring ES6 by Axel Rauschmayer:
Al...
Equation (expression) parser with precedence?
... way
If you use a GPL tool like Bison, you probably don't need to worry about licensing issues since the C code generated by bison is not covered by the GPL (IANAL but I'm pretty sure GPL tools don't force the GPL on generated code/binaries; for example Apple compiles code like say, Aperture with G...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...unts of data.
Firebase doesn't currently have a way to count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in thi...
Git pull results in extraneous “Merge branch” messages in commit log
...ng allows you to keep a linear history, but also removes any information about the branching that originally happened. It will also cause the history of the current branch being rewritten, recreating all commits that are not contained in the target branch (in your case, the remote). As the recreated...
How do you validate a URL with a regular expression in Python?
... "::::::::::" which any browser would reject. Surely there's a better lib out there for checking some of the basic requirements of a URL.
– Swarf
May 26 '15 at 23:42
...
Inheriting class methods from modules / mixins in Ruby
...s is a very common idiom in Ruby, solving precisely the use case you ask about and for precisely the reasons you experienced. It may look "inelegant", but it's your best bet. (If you do this often you could move the included method definition to another module and include THAT in your main module ;)...
What does “fragment” mean in ANTLR?
...
You're right about what fragment means in ANTLR. But the example you give is a poor one: you don't want a lexer to produce a NUMBER token that can be a hex, decimal or octal number. That would mean you'd need to inspect the NUMBER token in ...
What is the list of supported languages/locales on Android?
...roid 5.1:
af_ [Afrikaans]
af_NA [Afrikaans (Namibia)]
af_ZA [Afrikaans (South Africa)]
agq_ [Aghem]
agq_CM [Aghem (Cameroon)]
ak_ [Akan]
ak_GH [Akan (Ghana)]
am_ [Amharic]
am_ET [Amharic (Ethiopia)]
ar_ [Arabic]
ar_001 [Arabic (World)]
ar_AE [Arabic (United Arab Emirates)]
ar_BH [Arabic (Bahrain)]...