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Check if two linked lists merge. If so, where?
...fy this). Reason is both pointers have to travel same distances head1-> IP + head2->IP before reaching IP again. So by the time it reaches IP, both pointers will be equal and we have the merging point.
– adev
Jul 28 '17 at 5:37
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How can I connect to a Tor hidden service using cURL in PHP?
...evel domain specifically for use by Tor and such domains by design have no IP addresses to map to.
Using CURLPROXY_SOCKS5 will direct the cURL command to send its traffic to the proxy, but will not do the same for domain name resolution. The DNS requests, which are emitted before cURL attempts to e...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...述目标，谈何容易，所以本人整理了这篇超浓缩（用WINZIP、WINRAR…依次压迫，嘿嘿！）教程。大言不惭的说，看通本文，你完全可以“不经意”间在前辈或是后生卖弄一下DEBUG，很有成就感的，试试看！那么――这个接下来呢？...
HTTP Basic Authentication credentials passed in URL and encryption
...
Yes, yes yes.
The entire communication (save for the DNS lookup if the IP for the hostname isn't already cached) is encrypted when SSL is in use.
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How do I delete all messages from a single queue using the CLI?
...ate but for others reference, this can be done with pika
import pika
host_ip = #host ip
channel = pika.BlockingConnection(pika.ConnectionParameters(host_ip,
5672,
"/",
credentials=pika.Pl...
How do you discover model attributes in Rails?
... current_sign_in_at: datetime, last_sign_in_at: datetime,
current_sign_in_ip: string, last_sign_in_ip: string, created_at: datetime,
updated_at: datetime)"
Alternatively, having run rake db:create and rake db:migrate for your development environment, the file db/schema.rb will contain the author...
What is the strict aliasing rule?
...an example that should not be surprising (live example):
int x = 10;
int *ip = &x;
std::cout << *ip << "\n";
*ip = 12;
std::cout << x << "\n";
We have a int* pointing to memory occupied by an int and this is a valid aliasing. The optimizer must assume that assignments...
How to write a scalable Tcp/Ip based server
...design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
...
Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
...ethod = :smtp
config.action_mailer.default_url_options = { :host => "my.ip.addr.here" }
config.action_mailer.smtp_settings = {
:address => "smtp.gmail.com",
:port => 587,
:domain => 'my.ip.addr.here:80',
:user_name => "my_email_name@gmail.com",
:password ...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...
Wikipedia Ruby gotchas
From the article:
Names which begin with a capital letter are treated as constants, so local variables should begin with a lowercase letter.
The characters $ and @ do not indicate variable data type as ...