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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
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Consider the operation "a=b/c" x86 would implement this as
mov eax,b
xor edx,edx
div dword ptr c
mov a,eax
As an additional bonus of the div instruction edx will contain the remainder.
A RISC processor would require first loading the addresses of b and c, loading b and c from memory to ...
Programmer Puzzle: Encoding a chess board state throughout a game
...not to, at least in part, resemble a starting position.
So what you do is XOR the 256 bit current board position with a 256 bit starting position and then encode that (using Huffman coding or, say, some method of run length encoding). Obviously this will be very efficient to start with (64 0s proba...
How to extract the year from a Python datetime object?
...etime.today().year
or even (as Lennart suggested)
a = datetime.datetime.now().year
or even
a = datetime.date.today().year
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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
...度得以支撑；同时在可靠性方面，Storm的ack组件利用异或xor算法在不失性能的同时，保证每一个消息得到完整处理的同时。
11) 实时推送
实时推送的应用场景非常多，比如系统的监控动态的实时曲线绘制，手机消息的推送，web...
ValidateAntiForgeryToken purpose, explanation and example
...names as CrossSite_RequestForgery and
Attack_Application respectively.
Now, open CrossSite_RequestForgery application's Web Config and change the connection string with the one given below and then save.
`
<connectionStrings> <add name="DefaultConnection" connectionString="Data...
AngularJS: Service vs provider vs factory
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Why do I get Unknown provider: helloWorldProvider <- helloWorld when running this locally? Commenting it out, same error for the other 2 examples. Is there some hidden provider configuration ? (Angular 1.0.8) -- Found: stackoverflow.com/q...
Convert Django Model object to dict with all of the fields intact
...state': <django.db.models.base.ModelState at 0x7ff0993f6908>,
'auto_now_add': datetime.datetime(2018, 12, 20, 21, 34, 29, 494827, tzinfo=<UTC>),
'foreign_key_id': 2,
'id': 1,
'normal_value': 1,
'readonly_value': 2}
This is by far the simplest, but is missing many_to_many, foreign_...
Use of 'prototype' vs. 'this' in JavaScript?
...type is TOTALLY DIFFERENT from the __proto__ property. In our example, 'A' now has TWO properties called 'prototype' and __proto__ . This is a big confusion for people. prototype and __proto__ properties are in no way related, they're separate things pointing to separate values.
You may wonder: Why...
Why do we use __init__ in Python classes?
...bute", as opposed to "instance attributes" that are colour or legs above.
Now, to something less canine and more programming-related. As I write below, class to add things is not sensible - what is it a class of? Classes in Python make up of collections of different data, that behave similarly. Cla...
How does JavaScript .prototype work?
... really got my head around this prototype-based programming, does any one know how this works?
26 Answers
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