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How to split a string, but also keep the delimiters?
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You can use Lookahead and Lookbehind. Like this:
System.out.println(Arrays.toString("a;b;c;d".split("(?<=;)")));
System.out.println(Arrays.toString("a;b;c;d".split("(?=;)")));
System.out.println(Arrays.toString("a;b;c;d".split("((?<=;)|(?=;...
What is the difference between a.getClass() and A.class in Java?
...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
7 Answers
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Effect of a Bitwise Operator on a Boolean in Java
The bitwise operators are supposed to travel variables and operate on them bit by bit. In the case of integers, longs, chars this makes sense. These variables can contain the full range of values enforced by their size.
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How to write a large buffer into a binary file in C++, fast?
I'm trying to write huge amounts of data onto my SSD(solid state drive). And by huge amounts I mean 80GB.
12 Answers
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
I have a bunch of long-running scripts and applications that are storing output results in a directory shared amongst a few users. I would like a way to make sure that every file and directory created under this shared directory automatically had u=rwxg=rwxo=r permissions.
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C++ preprocessor __VA_ARGS__ number of arguments
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This is actually compiler dependent, and not supported by any standard.
Here however you have a macro implementation that does the count:
#define PP_NARG(...) \
PP_NARG_(__VA_ARGS__,PP_RSEQ_N())
#define PP_NARG_(...) \
PP_ARG_N(__VA_ARGS__)
#...
Node.js and CPU intensive requests
I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application.
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Scala: What is a TypeTag and how do I use it?
...hat they somehow replaced Manifests. Information on the Internet is scarce and doesn't provide me with a good sense of the subject.
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What is the meaning of prepended double colon “::”?
...wered Nov 24 '10 at 16:27
Wyatt AndersonWyatt Anderson
8,42811 gold badge1919 silver badges2424 bronze badges
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Is there an expression for an infinite generator?
...entinel. However, as int() will always return 0, we can call int() forever and never reach 1. This will in effect produce an infinite list of 0's
– Olsgaard
Apr 14 at 8:47
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