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Floating point vs integer calculations on modern hardware
... 15.362536
This uses code from http://pastebin.com/Kx8WGUfg as benchmark-pc.c
g++ -fpermissive -O3 -o benchmark-pc benchmark-pc.c
I've run multiple passes, but this seems to be the case that general numbers are the same.
One notable exception seems to be ALU mul vs FPU mul. Addition and subtra...
Simplest way to detect a mobile device in PHP
... This keyword "tablet" is creating me a problem on some IE8 (PC) headers that have "Tablet PC 2.0" in response
– Mladen Janjetovic
Oct 29 '13 at 15:55
...
'printf' vs. 'cout' in C++
...bl printf
mov r0, #0
pop {lr}
mov pc, lr
.align 2
@ BB#1:
You can easily notice that two strings, and 2 (number) are pushed as printf arguments. That's about it; there is nothing else. For comparison, this is iostream compiled to assembly. No, ther...
Getting name of windows computer running python script?
...you could use these three variants.
I prefer using them together:
def getpcname():
n1 = platform.node()
n2 = socket.gethostname()
n3 = os.environ["COMPUTERNAME"]
if n1 == n2 == n3:
return n1
elif n1 == n2:
return n1
elif n1 == n3:
return n1
elif ...
How to undo another user’s checkout in TFS?
...Workspaces...'
A dialog will appear showing the workspaces on your current PC. Select 'Show remote workspaces'
You will now also see workspaces from your previous PC (as long as they are from the same user account). Select the old workspace(s) and click 'Remove'. This should delete the old workspace...
Hexadecimal To Decimal in Shell Script
...ng you multiple correct answers.
One more that's not on his list:
[ghoti@pc ~]$ dc -e '16i BFCA3000 p'
3217698816
But if all you want to do is subtract, why bother changing the input to base 10?
[ghoti@pc ~]$ dc -e '16i BFCA3000 17FF - p 10o p'
3217692673
BFCA1801
[ghoti@pc ~]$
The dc comman...
Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的诞生
1981 年IBM 公司推出享誉全球的微型计算机IBM PC。在1981-1991 年间，MS-DOS 操作系统一直是微型计算机上操作系统的主宰。此时计算机硬件价格虽然逐年下降，但软件价格仍然是居高不下。当时Apple 的MACs 操作系统可以说...
The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]
...
error was gone, but on another pc i don't need do this.
– disable1992
Mar 31 '14 at 7:56
...
How to post pictures to instagram using API
...pictures to Instagram via the API.
It seems you can emulate instagram on PC though.
Bluestacks is an emulator which lets you run android apps on your PC/Mac etc.
I'm not sure how well it works though.
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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...回N趟，产生净利润。
由计算机软件自动做开仓、平仓的动作，即便是很简单的策略，这样高效率执行下来，效果十分惊人，且其潜力，远远超过人工炒手，体现为：1、一个交易者，可以同时管理运作多个账户，且极为轻松；2...