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Why are hexadecimal numbers prefixed with 0x?

... he used the 0 prefix instead. This is great because an integer constant now always consists of a single token, the parser can still tell right away it's got a constant, the parser can immediately tell the base (0 is the same in both bases), it's mathematically sane (00005 == 05), and no precious ...
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java.net.SocketException: Connection reset

...generally incorrect, for application software to do this, but it is not unknown for commercial software. More commonly, it is caused by writing to a connection that the other end has already closed normally. In other words an application protocol error. It can also be caused by closing a socket when...
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How to set JVM parameters for Junit Unit Tests?

... files to your repository: it might work, but I do not recommend it. You know how to set these for maven-surefire-plugin. Good. This is the most portable way (see Ptomli's answer for an example). For the rest - you must remember that JUnit test cases are just a bunch of Java classes, not a standal...
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Cache Invalidation — Is there a General Solution?

...the 'rules' of the system as a result of the combined behaviour. If you know that a always has validity if b does then you can arrange your cache like so (pseudocode): private map<b,map<a,c>> cache // private func realFunction // (a,b) -> c get(a, b) { c result; map&l...
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How can I start an interactive console for Perl?

... Matt Trout now has a far more up to date list of REPLs he recommends: shadow.cat/blog/matt-s-trout/mstpan-17 – Davor Cubranic Oct 6 '16 at 22:33 ...
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How to sparsely checkout only one single file from a git repository?

... btw we can use git archive now. – Jared Forsyth Sep 10 '13 at 7:14 1 ...
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How to install a private NPM module without my own registry?

...ll path/to/somedir somedir must contain the package.json inside it. It knows about git too: npm install git://github.com/visionmedia/express.git share | improve this answer | ...
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How to prevent SIGPIPEs (or handle them properly)

...it later and got confused, then discovered it a second time. Debuggers (I know gdb does) override your signal handling, so ignored signals are not ignored! Test your code outside a debugger to ensure the SIGPIPE no longer occurs. stackoverflow.com/questions/6821469/… – Jetski...
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Best way to serialize an NSData into a hexadeximal string

..., and >'s. Stripping characters just feels too "hacky". Plus you never know if Apple will change the formatting of NSData's -description in the future. NOTE: I have had people reach out to me about licensing for the code in this answer. I hereby dedicate my copyright in the code I posted in this...
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Add Variables to Tuple

...omma is 100% optional. Including it kind of signifies "this is a tuple, I know it's a tuple, I know how tuples work, and I know I can do that." But no comma might seem more natural. Idk. Up to you. – Daniel May 27 '18 at 3:29 ...