大约有 4,000 项符合查询结果(耗时:0.0198秒) [XML]

https://stackoverflow.com/ques... 

Why does modern Perl avoid UTF-8 by default?

..., we got 12. Perl assumed that we were operating on the Latin-1 string "æå­åã" (which is 12 characters, some of which are non-printing). This is called an "implicit upgrade", and it's a perfectly reasonable thing to do, but it's not what you want if your text is not Latin-1. That's why it's c...
https://www.tsingfun.com/it/tech/2003.html 

linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...CCEPT,所以我们就写需要DROP(放弃)的链. 减少不安全的端口连接 [root@tp ~]# iptables -A OUTPUT -p tcp --sport 31337 -j DROP [root@tp ~]# iptables -A OUTPUT -p tcp --dport 31337 -j DROP 有些些特洛伊木马会扫描端口31337到31340(即黑客语言中的 elite 端口)上...
https://stackoverflow.com/ques... 

How to convert UTF-8 byte[] to string?

... answered Oct 16 '14 at 1:04 Erçin DedeoğluErçin Dedeoğlu 3,20944 gold badges3434 silver badges5656 bronze badges ...
https://stackoverflow.com/ques... 

APT command line interface-like yes/no input?

...t instead of a bool is a mystery to me though. – François Leblanc Jan 19 '18 at 13:38 @FrançoisLeblanc as to Why it ...
https://stackoverflow.com/ques... 

What does “while True” mean in Python?

... answered Sep 20 '10 at 19:08 Håvard SHåvard S 20.4k55 gold badges5555 silver badges6767 bronze badges ...
https://stackoverflow.com/ques... 

How to calculate the number of occurrence of a given character in each row of a column of strings?

I have a data.frame in which certain variables contain a text string. I wish to count the number of occurrences of a given character in each individual string. ...
https://www.tsingfun.com/ilife/tech/988.html 

抱腾讯大腿联姻知乎 搜狗不止要抄底百度 - 资讯 - 清泛网 - 专注C/C++及内核技术

...的PC时代,无论是搜索引擎或者其他一些信息工具,都是连接人与信息,而无线移动时代、共享经济时代,搜索更具“人性”。具体表现在以下三个方面:1,伴随着网页形态的变化,用户的需求也在改变,即用户需要更精准地去...
https://www.tsingfun.com/it/tech/1062.html 

笨法玩电商网站秒杀 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...方法,它尝试从一个LIST里取元素,如果LIST为空则会堵塞连接,利用这个特性我们可以实现一个简易的通知功能:程序把请求保存到Redis队列里,然后调用BLPOP或BRPOP方法等通知,因为此时LIST为空,所以会堵塞连接,与此同时Gearma...
https://bbs.tsingfun.com/thread-585-1-1.html 

Sql server默认的端口是多少?如何开启远程连接? - 爬虫/数据库 - 清泛IT...

默认是1433,可以在配置管理器中查看: 需要开放1433端口,可以参考《Windows、Linux开放指定端口》。 另外,开启远程连接还需要启用TCP/IP,然后重启服务,步骤如下:
https://bbs.tsingfun.com/thread-1268-1-1.html 

如果后面再出现“AI伴侣断开连接”,说明mit官方的rez服务器有问题,需要重...

如果后面再出现“AI伴侣断开连接”,说明mit官方的rez服务器有问题,需要重启等处理。原因大概是wenrtc通信问题,官方论坛有提到。。。但是保险起见,如果频繁出现,则需要启用我们自己的rez服务器。或者aiStarter顶上昨天坏...