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Understanding Apache's access log
...r}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request line from the clie...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...类需要访问的域和方法声明为包级访问，而不是私有访问权限。不幸的是，这意味着在相同包中的其他类也可以直接访问这些域，所以在公开的API中你不能这样做。
避免使用float类型
Android系统中float类型的数据存取速度是int类...
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
...
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...
Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...oogle Tag Manager 产品了，首先他完全免费，其次界面操作，权限管理等，和Google Analytics操作习惯类似，可以很快上手。
账号添加：
首先你需要注册一个新账号，用gmail邮箱即可，然后创建一个Account：
指定默认的Container名...
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？...
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...
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 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...