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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...
Supabase扩展能实现实时推送吗？源码级Realtime能力分析 - App应用开发 - ...
...- App 被系统杀掉 = 收不到消息
- 需要前台 Service + 通知栏显示"App 正在运行"
极光推送 = 系统级推送（操作系统推送通道）
- App 被杀也能收到通知
- 走操作系统推送通道，不依赖 App 进程
- 这是两者最根本的区别
所...
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
...
比尔盖茨“未来生活预言”的科技豪宅（图） - 资讯 - 清泛网 - 专注C/C++及内核技术
...
-墙上的相框其实是触摸屏 -
整个房屋的墙上都布满了显示屏，总共花费8万美元。你可以直接在屏幕上操作显示喜欢的画作或者照片，为了存储这些照片，存储设备花费了15万美元。
-游泳池也能听音乐 -
大楼里有一个6...
携程遭超长宕机：内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术
...酒店数据库遭到了物理删除。另有疑似携程员工聊天记录显示，目前携程发布系统仍然无法使用，数据仍然被持续删除中。但纽约时报专栏作家李成东在微博上表示，携程正在重建缓存，估计3小时内回复，原因据说是内部离职...
记一次MongoDB性能问题 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...
mongo> db.currentOp()
与此同时，运行mongostat的话，结果会显示很高的locked值。
…
我在网络上找到一篇：MongoDB Pre-Splitting for Faster Data Loading and Importing，看上去和我的问题很类似，不过他的问题实质是由于自动分片导致数据迁移...
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...
pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...行，文字除外 (default: 1)
--process-outline <int> 在html中显示链接 (default: 1)
--printing <int> 支持打印 (default: 1)
--fallback <int> 在备用模式下输出 (default: 0)
--embed-external-font <int> 嵌入局部匹配的外部字体 (d...
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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