大约有 880 项符合查询结果(耗时:0.0095秒) [XML]
MQTT与TCP的区别 - 创客硬件开发 - 清泛IT社区,为创新赋能!
...制、集群、共享订阅、重要指标dashboard、sysadmin api、插件扩展、对topic或session或clientid的tracing调试等高级功能,大大简化服务器端的开发工作量。实际应用中,只需要写发布和订阅接口函数即可,中间过程对应用开发人员透明。...
Performance differences between debug and release builds
...release build to fail during deployment.
– Øyvind Bråthen
Oct 28 '10 at 18:33
What's the difference between utf8_general_ci and utf8_unicode_ci?
... equality comparison. This leads to cases where "か" == "が" or "ǽ" == "æ". For sorting this makes sense but could be surprising when selecting via equalities or dealing with unique indices - bugs.mysql.com/bug.php?id=16526
– Mat Schaffer
Mar 13 '15 at 15:2...
京东618:算法让UV价值提升200%+,用智能卖场缩短购物路径 - 更多技术 - 清...
...景,一个是像猜你喜欢/为你推荐这类帮助用户去发掘和扩展更多的兴趣点、增加用户粘性的模块,我们要能够根据用户最近1-2分钟内的行为做实时的推荐,这样可以很好地延续用户的行为,让用户感觉到这个地方很贴心,确实...
How is OAuth 2 different from OAuth 1?
...h for "beyond the scope of this specification" ;)
– Håvard Geithus
Jul 4 '12 at 17:01
48
The aut...
“open/close” SqlConnection or keep open?
...at least ;) Opening and closing costs time.
– David Mårtensson
Dec 14 '10 at 13:11
8
@David Mart...
Compression/Decompression string with C#
...ut only for UTF8-based things. If you add in, say, Swedish characters like åäö to the string value you're serialize/deserializing it will fail a round-trip test :/
– bc3tech
Aug 21 '19 at 12:32
...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...considered identical. For example: "\u0061\u030a" and "\u00e5" both render å. However in a ordinal compare will be considered different.
Which you choose heavily depends on the application you are building.
If I was writing a line-of-business app which was only used by Turkish users, I would be su...
社会化海量数据采集爬虫框架搭建 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...破解验证码识别算法实现自动输入验证码的目的。
扩展一下 :所见即所得我们是不是真的做到?规则配置也是个重复的大任务?重复网页如何不抓取?
1、有些网站利用js生成网页内容,直接查看源代码是一堆js。 可以...
刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...5个月,最高日订单量超过5万单,今年业务将从北上广深扩展到南京、天津、成都等12个城市。
京东CFO黄宣德在分析师电话会议中称,目前O2O行业还处于发展早期,虽然从事该行业的公司数量不少,但找到目标市场的并不多。
...
