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Delete/Reset all entries in Core Data?
...nd safe, and can certainly be done programatically at runtime.
Update for iOS5+
With the introduction of external binary storage (allowsExternalBinaryDataStorage or Store in External Record File) in iOS 5 and OS X 10.7, simply deleting files pointed by storeURLs is not enough. You'll leave the ext...
Where does the iPhone Simulator store its data?
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For Xcode6+/iOS8+
~/Library/Developer/CoreSimulator/Devices/[DeviceID]/data/Containers/Data/Application/[AppID]/
Accepted answer is correct for SDK 3.2 - SDK 4 replaces the /User folder in that path with a number for each of the legacy...
【PM干货】2015年阿里业务型PM笔试题 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...的用户提供不同的类型组合构成新的产品或者服务。
考后再一回想，其实搜索成长log是个很好的切入点，但是考试的时候头脑一片空白没有想起来。
4、最近新闻经常出现飞机失事，假如你是XXX航空公司的工作人员，你如何将...
What is `mt=8` in iTunes links for the App Store?
...umber of different Media Types (mt values):
1 Music
2 Podcasts
3 Audiobooks
4 TV Shows
5 Music Videos
6 Movies
7 iPod Games
8 Mobile Software Applications
9 Ringtones
10 iTunes U
11 E-Books
12 Desktop Apps
So, to answer your question, the "mt=8" in iTunes links simply identif...
Linux - Install redis-cli only
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now it isn't working http://security.ubuntu.com/ubuntu bionic-updates/universe amd64 redis-tools amd64 5:4.0.9-1ubuntu0.1 returns 404 Not Found
– Andrew Sneck
Nov 25 '19 at 9:28
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Generating random numbers in Objective-C
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You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed.
#include <stdlib.h>
// ...
// ...
int r = arc4random_uniform(74);
The arc4random man page:
NAME
arc4random, arc4random_stir, arc4ra...
大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...觉看球员的数据，主要是肉眼，非常不准确，从巴西回来后，对数据有了初步的理解，会用一些数据做针对性的部署，我记得当年带队打申花的时候，赛前就对阿尔贝茨做出了详细的数据分析，结果把对方盯死，取得了不俗的效...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...息。当然也可以使用LIST来实现，但LIST只能按照插入的先后顺序实现类似FIFO或LIFO形式的队列，然而消息实际上是有优先级的：比如说个人消息优先级高，全局消息优先级低。此时可以使用ZSET来实现，它里面分数的概念很自然的...
Changing the status bar text color in splash screen iOS 7
I know that are already some stackoverflow questions that say how to change the status bar for all view controllers. I am currently changing the color of status bar this way:
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Read file data without saving it in Flask
I am writing my first flask application. I am dealing with file uploads, and basically what I want is to read the data/content of the uploaded file without saving it and then print it on the resulting page. Yes, I am assuming that the user uploads a text file always.
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