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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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说明：1、 不考虑重叠的数量；2、 如果只有一项重叠，无法计算相似性（计算过程被除数有n-1）；3、 如果重叠的值都相等，也无法计算相似性（标准差为0，做除数）。
该相似度并不是最好的选择，也不是最坏的选择，只是...
How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...eApps.com. It will not change your system settings. You can put it on your USB stick.
UPD: for those who needs JDK there's an open-source project OpenJDK Portable
UPD2: there is also a JDK Portable (Oracle)
Some people might be interested in official Oracle production-ready open source build of J...
Android Writing Logs to text File
...s:
Log.d("yourappname", "Your message");
To create the log, connect the USB cable and run your bat file.
Regards
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Difference between an API and SDK
... iPhone example (proprietary code but well-defined API), telephone jack or USB port example to explain what a software interface is with an easier to visually understand hardware analogy
– Sliceoftime
May 7 '09 at 14:50
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What is the Difference Between read() and recv() , and Between send() and write()?
... does not allow to operate on non-socket fd. Thus, for example to write on usb port, write is necessary.
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'App not Installed' Error on Android
...apk and uploaded to my Google Drive. After disconnecting my nexus from the usb, I went to the settings/apps and uninstalled my app (App1). I then opened google drive and clicked on my App1.apk and chose to install it (need to ensure you have allowed installation of apks in settings). Then I got the ...
adb server version doesn't match this client
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As developer, I need the HTC USB drivers that are bundled with the HTC Sync Manager. This is the only case for Windows 10, which is the OS I'm using. After installation, HTC Sync will run and continuously run in the background. You want to open Task Mana...
Android - Pulling SQlite database android device
...file and access the sqlite database.
First backup app data to your PC via USB cable with the following command, replace app.package.name with the actual package name of the application.
adb backup -f ~/data.ab -noapk app.package.name
This will prompt you to "unlock your device and confirm the ba...
Copy the entire contents of a directory in C#
... with all IO handlings (e.g. what happens if the user manually unplugs the USB drive while your code is writing to it?), there are no known problems.
In particular, I’d like to point out that the use of recursion here is absolutely not a problem. Neither in theory (conceptually, it’s the most e...
Do I need to disable NSLog before release Application?
... the AppStore to a device (e.g., an iPhone), plug that device to Xcode via USB, launch your app and watch the logs in Xcode's "Devices" window.
– Nicolas Miari
Jan 6 '16 at 8:43
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