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iPhone Data Usage Tracking/Monitoring
...voicemail, general networking interface.
I read in Apple forum that :
The OS does not keep network statistics on a process-by-process basis. As such, there's no exact solution to this problem. You can, however, get network statistics for each network interface.
In general en0 is your Wi-Fi interfa...
Replacing some characters in a string with another character
...
On *BSD (and thus, OSX), sed -E is (basically) equivalent to sed -r on many Linux distros, If you use sed 's/[xyz][xyz]*/_/g' you don't need the option. Of course, this is equivalent to tr -s xyz _ so no real need for sed here.
...
技术人员如何去面试？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...更精确了解面试官想通过这道题目考查你的实战能力还是系统知识组织能力。
封闭问题回答就是知道就描述清晰就行了，不用啰嗦说很多没用的，如果不知道就明确表示不知道就好了。开放式问题，回答方式和策略就很多，一...
What would be the Unicode character for big bullet in the middle of the character?
...Notepad, Large Circle is bigger than Medium. But not in Chrome on the same OS.
– bjornte
Dec 6 '19 at 10:17
...
Can I run multiple programs in a Docker container?
... and mongo database. Normally I would install both in a VM and, forward a host port to the guest web app. I'd like to give Docker a try but I'm not sure how I'm meant to use more than one program. The documentations says there can only be only ENTRYPOINT so how can I have Mongo and my flask applicat...
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
...致时为-1.0。
说明：计算非常慢，有大量排序。针对推荐系统中的数据集来讲，用Spearman秩相关系数作为相似度量是不合适的。
CityBlockSimilarity: 曼哈顿距离相似度
原理：曼哈顿距离的实现，同欧式距离相似，都是用于多维数...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...o seem to are programmers from other languages who are still thinking in those languages. If you only want objects of a given class in an array, only stick objects of that class in there. If you want to test that your code is behaving properly, test it.
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How do you implement a class in C? [closed]
...s which is a bit more flexible than you'd typically find in C++. Also, it costs memory. You could get away from that by stuffing the method pointers in a class structure, and invent a way for each object instance to reference a class.
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How to create a date and time picker in Android? [closed]
... only one baffled at the fact that Google doesn't even support one of the most widely used controls in any business applications out there?
– l46kok
Jan 5 '15 at 3:13
add a co...
Difference between android.app.Fragment and android.support.v4.app.Fragment
...ices running API 11 or above, you can use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
shar...