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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sharding是一一对应的，只访问一个数据库sharding.
biz业务注册节点到zookeeper上/bizs/shard/下。
router监听zookeeper上/bizs/下节点状态，缓存在线biz在router中。
client请求router获取biz时，router首先从mongodb中获取用户对应的shard,router根据缓...
Android微信智能心跳方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...使用GCM作为辅助通道，在支持GCM的设备上微信上传自己的注册GCM ID给微信Server。
微信Server在发现长连接失效的情况下，可以使用GCM 作为辅助通道通知客户端有新消息，客户端收到push通知后做一次sync。
只利用GCM来激活微信，...
来自微软的一手内幕：Windows 10是怎么出炉的 - 创意 - 清泛网 - 专注C/C++及内核技术
...，微软针对Windows 10开放了500万个内测名额。谁都可以来注册体验一番。即使今天Windows 10已经发布了，但是微软也仍旧在跟进用户们的反馈，并予以改进。
“其实，这样做有时难免还是会担心。”Myerson说道。“一件事在没搞...
Evenly distributing n points on a sphere
...t ll.py
from math import asin
nx = 4; ny = 5
for x in range(nx):
lon = 360 * ((x+0.5) / nx)
for y in range(ny):
midpt = (y+0.5) / ny
lat = 180 * asin(2*((y+0.5)/ny-0.5...
Printing 1 to 1000 without loop or conditionals
...345\n346\n347\n348\n349\n350\n351\n352\n353\n354\n355\n356\n357\n358\n359\n360\n361\n362\n363\n364\n365\n366\n367\n368\n369\n370\n371\n372\n373\n374\n375\n376\n377\n378\n379\n380\n381\n382\n383\n384\n385\n386\n387\n388\n389\n390\n391\n392\n393\n394\n395\n396\n397\n398\n399\n400\n401\n402\n403\n404\n...
Dependency Inject (DI) “friendly” library
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360
This is actually simple to do once you understand that DI is about patterns and principles, no...
Java's Virtual Machine and CLR
... an older term from the hardware world (e.g. IBM’s virtualisation of the 360 in the 1960s) that used to mean a software/hardware emulation of the underlying machine to accomplish the same sort of stuff that VMWare does.
The CLR is often referred to as an "execution engine". In this context, that'...
Understanding garbage collection in .NET
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360
You are being tripped up here and drawing very wrong conclusions because you are using a debug...
Multi-gradient shapes
... <shape android:shape="rectangle">
<solid android:color="#360e0e" />
</shape>
</item>
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'printf' vs. 'cout' in C++
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360
I'm surprised that everyone in this question claims that std::cout is way better than printf, ...