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How do I profile memory usage in Python?
...t;> asizeof.asizeof({})
280
>>> asizeof.asizeof({'foo':'bar'})
360
>>> asizeof.asizeof('foo')
40
>>> asizeof.asizeof(Bar())
352
>>> asizeof.asizeof(Bar().__dict__)
280
>>> help(asizeof.asizeof)
Help on function asizeof in module pympler.asizeof:
as...
What are the applications of binary trees?
...y size is 10, the number of keys in a 512-byte node is 36. That's 36 keys (360 bytes) and 37 pointers (148 bytes) for a total of 508 bytes with 4 bytes wasted per node.
The use of multi-way keys introduces the complexity of a two-phase search (multi-way search to find the correct node combined with...
Which is faster: Stack allocation or Heap allocation
...An interesting thing I learned about Stack vs. Heap Allocation on the Xbox 360 Xenon processor, which may also apply to other multicore systems, is that allocating on the Heap causes a Critical Section to be entered to halt all other cores so that the alloc doesn't conflict. Thus, in a tight loop, ...
How do Trigonometric functions work?
...ndard interval. For starters, you could reduce angles to be between 0 and 360 degrees. But by using a few identities, you realize you could get by with less. If you calculate sines and cosines for angles between 0 and 45 degrees, you can bootstrap your way to calculating all trig functions for all...
淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...
...的过程中，我们所说的拆分就出现V2.2和V3.0之 间。在V2.2版 本中，淘宝几乎所有的逻辑都放在(Denali)系统中，这样导致的问题就是系统扩展和修改非常麻烦，并且更加致命的是随着淘宝业务量的增加，如果按照V2.2的架构已经没有...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...
360
Looking at the Volley perspective here are some advantages for your requirement:
Volley, on o...
Citrix服务器虚拟化：XenApp 6.5发布服务器上的应用程序 - 更多技术 - 清泛...
...上运行彼此冲突的应用程序（例如同一个应用程序的多个版本），而无需将这些应用程序隔离。这简化了应用程序的更新过程，因为您只需更新一个应用程序配置文件。场服务器需要有足够的资源来支持应用程序。用户必须连接...
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
...
360
This is actually simple to do once you understand that DI is about patterns and principles, no...