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What is a deadlock?
When writing multi-threaded applications, one of the most common problems experienced are deadlocks.
17 Answers
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Understanding reference counting with Cocoa and Objective-C
...ng:
Apple's introduction to memory management.
Cocoa Programming for Mac OS X (4th Edition), by Aaron Hillegas - a very well written book with lots of great examples. It reads like a tutorial.
If you're truly diving in, you could head to Big Nerd Ranch. This is a training facility run by Aaron H...
What does it mean to inflate a view from an xml file?
I am new to android development and keep coming across references to Inflating views from a layout xml file. I googled and searched the development guide but still wasn't able to pick up a sense for what it means. If someone could provide a very simple example, it'd be much appreciated.
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Are memory leaks ever ok? [closed]
...leave some piece of operating equipment inside a patient?
Although it is possible that a circumstance could arise where the cost/risk of removing that piece of equipment exceeds the cost/risk of leaving it in, and there could be circumstances where it was harmless, if I saw this question posted on ...
开源MQTT网关：EMQX vs Mosquitto - 创客硬件开发 - 清泛IT社区，为创新赋能！
...滤、转换、存储与处理，以加速应用集成和业务创新。可操作性与可观测性Mosquitto 提供了基本的日志和调试功能，用于监控代理状态和故障排除。然而，它缺乏先进的管理和监控功能，使用户难以从其运行状态获得更多洞察进...
sed whole word search and replace
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not posix | GNU sed OK
– Oleg Mazko
Aug 25 '16 at 10:19
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Using the Android Application class to persist data
...ass does not have the same life-cycle (i.e. it is, for all intents and purposes, always instantiated). Does it make sense to store the state information inside of the application class and then reference it from the Activity, or is that generally not the "acceptable" method due to memory constraint...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做这个操作。
当从输入的数据集中抽取出Strings的时候，尝试返回原数据的substring对象，而不是创建一个重复的对象。
一个稍微激进...
What's the difference between using CGFloat and float?
... required to make your app 64-bit clean and try running it as such, since most Macs now have 64-bit CPUs and Snow Leopard is fully 64-bit, including the kernel and user applications. Apple's 64-bit Transition Guide for Cocoa is a useful resource.
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对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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一、一级代理服务器的架设
说明：
操作系统：
FreeBSD6.2Release
代理软件：
Squid2.6STABLE16
外网卡：em0 -> 218.90.159.xxx （默认网关为上一级ISP提供）
内网卡：em1 -> 192.168.21.254
1、FreeBSD的安装及优化
（1）最小...