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Is there a good reason to use upper case for SQL keywords? [closed]
The default seems to be upper case, but is there really any reason to use upper case for keywords? I started using upper case because I was just trying to match what SQL Server gives me whenever I tried to create something, like a new stored procedure. But then, I felt terrible for my baby (5th) fin...
What is the purpose of backbone.js?
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edited Aug 9 '15 at 12:46
JJJ
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answered Mar ...
How do I determine the size of an object in Python?
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>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
24
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this')
38
>>> sys.getsizeof('this also')
48
If you are in python < 2.6 and don't have sys.getsizeof you can use this extensive module ins...
Are getters and setters poor design? Contradictory advice seen [duplicate]
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346
There is also the point of view that most of the time, using setters still breaks encapsulation...
When should I use OWIN Katana?
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edited Nov 7 '14 at 10:43
answered Jan 23 '14 at 12:56
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关于php的socket初探 - PHP - 清泛IT论坛,有思想、有深度
...,做起web所需的各项功能可能是分分钟搞定,然后做socket了?可能就觉得不屑一顾了,好像是不务正业,用了自己的短板去做不擅长的事情。其实不然,往往越不起眼的东西却能带给你惊喜,废话不多说,直奔主题。关于php的soc...
Evenly distributing n points on a sphere
...answer here (and using Python):
> cat 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
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Is multiplication and division using shift operators in C actually faster?
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489
Short answer: Not likely.
Long answer:
Your compiler has an optimizer in it that knows how t...
Is SHA-1 secure for password storage?
...stion is: SHA-1 is as secure as you can get. MD5 would be fine too, even MD4; but it could make some investors nervous. For public relations, it is best to use a "better" hash function, e.g. SHA-256, even if you truncate its output to 160 or 128 bits (to save on storage cost). Some of the SHA-3 roun...
How to install the Raspberry Pi cross compiler on my Linux host machine?
...see the following how-to in this thread: https://stackoverflow.com/a/58559140/869402
Pre-requirements
Before you start you need to make sure the following is installed:
apt-get install git rsync cmake ia32-libs
Let's cross compile a Pie!
Start with making a folder in your home directory called...
