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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...
...增长超过100%。
CSDN：智能卖场的支撑包括哪几类模型？是否还在采用一些非机器学习算法？春节年货转化率提高百分之百的测试，提升来自哪些模型的改变？这是一个通用的调整吗？
智能卖场团队：支撑智能卖场的模型从不...
iOS detect if user is on an iPad
I have an app that runs on the iPhone and iPod Touch, it can run on the Retina iPad and everything but there needs to be one adjustment. I need to detect if the current device is an iPad. What code can I use to detect if the user is using an iPad in my UIViewController and then change something ac...
Javascript for “Add to Home Screen” on iPhone?
...f this library specifically targets Mobile Safari, the web browser used on iPhone and iPad devices.
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诺奖得主谈“双创”：让鼓励创业成为一种文化 - 资讯 - 清泛网 - 专注C/C++...
...展方式，因为要让大银行来聆听所有企业家的想法以决定是否给企业提供资金是比较困难的，一是大银行没有那么多的时间和精力，二是小企业可能既没有办法也没有机会去这些大银行申请资金。
最后，地方银行或其它金融机...
How do you beta test an iphone app?
How can you beta test an iPhone app? I can get it on my own device, and anyone that gives me a device, I can run it on theirs, but is there a way to do a limited release via the app store for beta testing?
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When to use PNG or JPG in iPhone development?
...ed format is better due to reduced I/O required; I'm not sure how fast the iPhone's flash drive is. And I definitely wouldn't say PNG decompression requires "very little" energy; the Other.artwork file appears to be raw bitmap data, presumably because the CPU/memory overhead of PNG decompression is ...
Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
...erAgent string is changed.
I tested on my Mac if I change the userAgent to iPhone or Chrome Windows, navigator.platform remains MacIntel.
The property is also read-only
I could came up with the following table
Mac Computers
Mac68K Macintosh 68K system.
MacPPC Maci...
linux svn搭建配置及svn命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
[root@www ~]# yum install subversion
[root@www ~]# svn -v 判断是否安装成功
svnserve, version 1.6.11 (r934486) 出现类型提示，说明安装成功。
有了SVN软件后还需要建立SVN库。
[root@www ~]# mkdir /opt/svn/repos
[root@www ~]# svnadmin create /op...
C++特化模板函数的符号多重定义错误问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
... return t1==t2 ? 0 : t1 > t2 ? 1 : -1;
}
该模板根据地一个参数是否等于、大于、或小于第二个参数而分别返回零或+/-1。它是典型的用于集合排序时的排序函数。它假设类型 T 具备 operator== 和 operator> 操作，并支持 int，float，double 或 D...
LEGO EV3 机器人按键控制 · App Inventor 2 中文网
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常见问题
连接失败：检查EV3蓝牙是否开启并可见
控制延迟：减少蓝牙传输距离，避免干扰
按键无响应：确认蓝牙连接状态正常
电机异常：检查电机连接和端口配置
解决方案
重...