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What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than
one meaning to AnyCPU now. T...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
小端模式 和 大端模式的决定因素 - C/C++ - 清泛网 - 专注C/C++及内核技术
...和 大端模式的决定因素小端模式 和 大端模式：几乎是由CPU决定的，而非OS或编译器。大端模式和小端模式的区别这里暂不讨论，这里讨论他们是由操作系统、CPU还是编译器决定的呢？
通常来讲，可能大多数人认为是操作系统...
一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...
...：
Sysstat的功能列表：
iostat：统计并报告你的设备的CPU状态和I/O状态数据。
mpstat：监控和显示关于CPU的细节信息。
pidstat：统计正在运行的进程/任务的CPU、内存等信息。
sar：保存和报告不同资源（CPU、内存、输入输出、网...
Where are my postgres *.conf files?
...buntu 13.04 installed using software centre :
The location for mine is:
/etc/postgresql/9.1/main/postgresql.conf
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How much overhead does SSL impose?
...ources were required; no network hardware, no new hosts. It only increased CPU load by about 1%.
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When should the volatile keyword be used in C#?
... always access the current value of the field (it might be from the stack, etc). Marking a field as volatile ensures that the current value of the field is accessed by the instruction. This is useful when the value can be modified (in a non-locking scenario) by a concurrent thread in your program or...
HTML 5 tag vs Flash video. What are the pros and cons?
...rlier, and other downlevel clients (like older versions of FF/Safari/Opera/etc), just put your standard video embed code inside the <video> tag, below the <source> elements. If the browser supports <video>, it'll ignore the embed. If it doesn't, it'll ignore the <video> and...
boost多索引容器multi_index_container实战 - C/C++ - 清泛网 - 专注C/C++及内核技术
...越多的同行们能快速高质量地解决实际项目中遇到的各种问题，在此将我将自己实战中实用boost的经验分享给大家，本人才疏学浅，如果有什么问题希望读者们能帮助指出，大家共同探讨^_^
本章介绍的主题是multi_index_container
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...一定频率范围下的频带资源（Frequency Band）；
BLE的市场定位是个体和民用，因此使用免费的ISM频段（频率范围是2.400-2.4835 GHz）；
为了同时支持多个设备，将整个频带分为40份，每份的带宽为2MHz，称作RF Channel。
所以经过上面...