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Where are my postgres *.conf files?
... an arbitrary scale
#random_page_cost = 4.0 # same scale as above
#cpu_tuple_cost = 0.01 # same scale as above
#cpu_index_tuple_cost = 0.005 # same scale as above
#cpu_operator_cost = 0.0025 # same scale as above
#effective_cache_size = 128MB
# - Genetic Query Optimizer -...
Attempted to read or write protected memory. This is often an indication that other memory is corrup
...out, the problem was that I changed the Platform for Build from x86 to Any CPU and that was enough to trigger this error. Changing it back to x86 did the trick. Might help someone.
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Compile Views in ASP.NET MVC
...it (I find it fine on a large-ish project with 4GB ram and a hyperthreaded CPU) but I easily make back the time I spend waiting for it, and I end up doing fewer operations on my code as R# provides higher level operations that batch together the many steps I'd have to take to achieve the same task m...
What does “dereferencing” a pointer mean?
... cases the pointer may be relative to some specific memory area, which the CPU may select based on CPU "segment" registers or some manner of segment id encoded in the bit-pattern, and/or looking in different places depending on the machine code instructions using the address.
For example, an int* p...
LEGO EV3 机器人按键控制 · App Inventor 2 中文网
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LEGO EV3 机器人按键控制
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What is the most effective way for float and double comparison?
...le floating-point operation is 0.5
// units in the last place. On Intel CPU's, all floating-point
// calculations are done with 80-bit precision, while double has 64
// bits. Therefore, 4 should be enough for ordinary use.
//
// See the following article for more details on ULP:
// htt...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...监控日志，一方面帮助日志微调，一方面及早发现程序的问题
只做到第1点的，你可以洗洗去睡了。很多公司都有做到第2点和第3点，这些公司的服务端程序基本已经跑了很长时间了，已比较稳定，确实无需花太多时间去关注...
How can I transition height: 0; to height: auto; using CSS?
...uite like the jQuery slideUp/Down. You can see a difference only with weak CPU's, like old computers or mobile, and opening and closing many of them at the same time.
– Cruz Nunez
Jul 1 '16 at 4:12
...
Is recursion ever faster than looping?
... sub, mul, div. e.g. add m[7] m[8]
An Executing Agent: a core in a modern CPU. An "agent" is something that can execute instructions. An Agent can also be a person following the algorithm on paper.
Order of steps: a sequence of instructions: i.e.: do this first, do this after, etc. An imperative se...
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
...面。希望满足初级计算机用户的需求，或许这个概念没有问题，但是过于简单，只是讲解如何使用计算机，售价却高达100美元，结果在没有市场的情况下被淘汰了。有趣的是，Bob项目是由盖茨的老婆梅林达负责管理的。
2、MSN Me...