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What's the difference between “groups” and “captures” in .NET regular expressions?
...fuzzy on what the difference between a "group" and a "capture" are when it comes to .NET's regular expression language. Consider the following C# code:
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Why does GCC generate such radically different assembly for nearly the same C code?
... r = (mantissa >> exponent);
}
return r;
}
Again, this compiles to the exact same assembly - register names and all.
This above version finally reduces to this:
int fast_trunc_one(int i) {
int mantissa, exponent;
mantissa = (i & 0x07fffff) | 0x800000;
exponent =...
Redis: Show database size/size for keys
...multiple databases I have in there consumes how much memory. Redis' INFO command just shows me the total size and the number of keys per database which doesn't give me much insight... So any tools/ideas that give me more information when monitoring the redis server would be appreciated.
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Getting the IP address of the current machine using Java
...tablished, hence the specified remote ip can be unreachable.
Edit:
As @macomgil says, for MacOS you can do this:
Socket socket = new Socket();
socket.connect(new InetSocketAddress("google.com", 80));
System.out.println(socket.getLocalAddress());
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Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
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Overflow to left instead of right
...er as the user types it. The text inside the div is aligned to right and incoming characters are added to right as the text grows to left.
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How to add text inside the doughnut chart using Chart.js?
....value + "%", width/2 - 20, width/2, 200);
See this pull: https://github.com/nnnick/Chart.js/pull/35
here is a fiddle http://jsfiddle.net/mayankcpdixit/6xV78/ implementing the same.
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impr...
How to get the children of the $(this) selector?
... @adamyonk infact not, atleast not if this is anything to go by: jsperf.com/jquery-children-vs-find/3
– Simon Stender Boisen
Oct 13 '11 at 6:21
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Verifying signed git commits?
With newer versions of git it's possible to sign individual commits (in addition to tags) with a PGP key:
3 Answers
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Separate REST JSON API server and client? [closed]
I'm about to create a bunch of web apps from scratch. (See http://50pop.com/code for overview.) I'd like for them to be able to be accessed from many different clients: front-end websites, smartphone apps, backend webservices, etc. So I really want a JSON REST API for each one.
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