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Do NSUserDefaults persist through an Update to an app in the Appstore?

...lly documented under the Application Directory chapter in the Apple iPhone OS Programming Guide. share | improve this answer | follow | ...
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Differences between numpy.random and random.random in Python

...both of the random generators, it's probably simpler in the long run to choose one generator or the other. But if you do need to use both, then yes, you'll also need to seed them both, because they generate random numbers independently of each other. For numpy.random.seed(), the main difficulty is ...
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LinkedBlockingQueue vs ConcurrentLinkedQueue

...although it is the case to use bounded queues for Producer-consumer scenarios – amarnath harish Aug 14 '18 at 9:07 ...
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Configuring Git over SSH to login once

I have cloned my git repository over ssh. So, each time I communicate with the origin master by pushing or pulling, I have to reenter my password. How can I configure git so that I do not need to enter my password multiple times? ...
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CMFCTabCtrl的使用、颜色样式调整 - C/C++ - 清泛网 - 专注C/C++及内核技术

...式,AutoColor自动设置Tab颜色效果等。1.在指定位置处创建一个CMFCTabCtrl,并给其添加4个CEdit: CRect rectTab; CEdit m_wnd1; CEdit m_wnd2; CEdit m_wnd3; CEdit m_wnd4; CMFCTabCtrl m_wndTab; m_wndTabLoc.GetWindowRect (&rectTab); ScreenToClient (&rectTab); m_wnd...
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Python: How would you save a simple settings/config file?

...ou know the datatype? which outputs List all contents Section: mysql x host:::localhost:::<type 'str'> x user:::root:::<type 'str'> x passwd:::my secret password:::<type 'str'> x db:::write-math:::<type 'str'> Section: other x preprocessing_queue:::["preprocessing.scale_an...
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盘点微软历史上9大失败软件产品! - 创意 - 清泛网 - 专注C/C++及内核技术

...助用户确认所使用的Windows是否是正版软件,微软提供了一个快速简单的联机过程,称为“验证”。但这一产品因其自动潜入系统和骨子里透出的霸道而备受争议并极其不受待见。 8、Windows Vista(2006年) 该系统相对 Windows XP,...
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Windows2003 server 域的无缝切换及重新安装 - 操作系统(内核) - 清泛网 - ...

...域控制器。 在这里我偷一下懒,因为SERVER上已经有了一个GHOST 备份。 我直接把server服务器 的网线拔掉后 使用GHOST 备份还原。,还原后这台服务器又成了主域控制器,这个时候千万不能把这台服务器接入网络。 然后使用DCPR...
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PHP开发利器EPP4发布 基于Eclipse核心 - IT产品资讯 - 清泛网 - 专注C/C++及内核技术

...,EPP 使用的 Eclipse 核心编译而来。针对PHP开发者提供的一个优秀的大型IDE开发软件。并且集成了JDK和简体中文系统,免除处了安装配置的麻烦,一次安装即可使用无需配置。此编译器为PHP编译器,专门针对辅助PHP代码的开发和调...
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ESP8285接入App Inventor 2深度调研:4种连接方案+是否需要开发拓展 - 创客...

...境推荐) 原理:通过MQTT Broker中转,ESP8285和App都连接同一个Broker。 ESP8285端使用PubSubClient库,App Inventor端可通过Web组件调用MQTT HTTP API,或使用fun123已有的UrsPahoMqttClient相关组件。 优点: - 解耦通信,不依赖直连IP - 支持发...