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What is the difference between 0.0.0.0, 127.0.0.1 and localhost?
...em server will bind to this address by default. I can still visit it via http://localhost:port . But for Jekyll , it seems that the default setting (e.g. 0.0.0.0:4000) requires Internet access. I cannot run Jekyll server without Internet. Is it a small bug?
...
How to use Sublime over SSH
...an editor when I SSH in to my work server, and I'm stumped. I found this http://urbangiraffe.com/2011/08/13/remote-editing-with-sublime-text-2/ (among many other posts) that looks like it might help, but I don't follow it exactly, particularly with what values I should put in for the remote varia...
How to check internet access on Android? InetAddress never times out
...t is available.
B) Connect to a Socket on the Internet (advanced)
// TCP/HTTP/DNS (depending on the port, 53=DNS, 80=HTTP, etc.)
public boolean isOnline() {
try {
int timeoutMs = 1500;
Socket sock = new Socket();
SocketAddress sockaddr = new InetSocketAddress("8.8.8.8",...
How to find where gem files are installed
...e => false
- :bulk_threshold => 1000
- REMOTE SOURCES:
- https://rubygems.org/
- SHELL PATH:
- /Users/ttm/.rbenv/versions/2.0.0-p247/bin
- /Users/ttm/.rbenv/libexec
- /Users/ttm/.rbenv/plugins/ruby-build/bin
- /Users/ttm/perl5/perlbrew/bin
- /Users/ttm/pe...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
... #python3 don't have this attribute.
#not suggest even in python2 #see:http://stackoverflow.com/questions/3828723/why-should-we-not-use-sys-setdefaultencodingutf-8-in-a-py-script
#2.overwrite /usr/lib/python2.7/sitecustomize.py or (sitecustomize.py and PYTHONPATH=".:$PYTHONPATH" python)
...
sizeof single struct member in C
...ize of that type. ((type *)0) is just a null pointer of the struct type. ptr->member is (at compile time) an expression whose type is that of the member. The code within the sizeof never runs (if it did, the program would segfault!). Only the type of value within the sizeof is looked at.
...
Finding the type of an object in C++
...
A* aptr = dynamic_cast<A*>(ptr); // isn't it supposed to be like this
– Mehdi Karamosly
Sep 4 '16 at 0:29
...
C++ catching all exceptions
... ...; // throw something
}
catch(...)
{
std::exception_ptr p = std::current_exception();
std::clog <<(p ? p.__cxa_exception_type()->name() : "null") << std::endl;
}
return 1;
}
and if you can afford using Boost you can make your catch section even...
How do I close a connection early?
... Hackers and crappy web browsers can still ignore the connection-close HTTP header, and get the rest of the output.. make sure what comes next, is not sensitive. perhaps a ob_start(); to supress everything :p
– hanshenrik
Jun 2 '15 at 8:46
...
Find the IP address of the client in an SSH session
... to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
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