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How to replace a character with a newline in Emacs?
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itsjeyd
4,53322 gold badges2525 silver badges4545 bronze badges
answered Mar 4 '09 at 23:52
Jonathan ArkellJonatha...
Getting attributes of a class
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128
Try the inspect module. getmembers and the various tests should be helpful.
EDIT:
For example...
Looping over a list in Python
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200
Try this,
x in mylist is better and more readable than x in mylist[:] and your len(x) should ...
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...
...样一件事,不断的开仓、平仓、再开仓、再平仓。。。
2、何谓:对冲?在做空制度下,同时,持有空单和多单,以此将市场暴涨暴跌对账户的冲击降低到可接受范围;
3、何谓:套利?在狭义上,分跨期套利、跨品种套利,目...
Compare floats in php
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237
If you do it like this they should be the same. But note that a characteristic of floating-poi...
Leading zeros for Int in Swift
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Assuming you want a field length of 2 with leading zeros you'd do this:
import Foundation
for myInt in 1 ... 3 {
print(String(format: "%02d", myInt))
}
output:
01
02
03
This requires import Foundation so technically it is not a part of the Swift la...
Can I replace groups in Java regex?
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126
Use $n (where n is a digit) to refer to captured subsequences in replaceFirst(...). I'm assumin...
How to rethrow InnerException without losing stack trace in C#?
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answered Jun 13 '13 at 15:42
Paul TurnerPaul Turner
34.1k1313 gold badges8787 silver badges153153 bronze badges
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Python super() raises TypeError
In Python 2.5, the following code raises a TypeError :
4 Answers
4
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promise already under evaluation: recursive default argument reference or earlier problems?
...occur we get:
f <- function(x, T) {
10 * sin(0.3 * x) * sin(1.3 * x^2) + 0.001 * x^3 + 0.2 * x + 80
}
g <- function(x, T, f. = f) { ## 1. note f.
exp(-f.(x)/T)
}
test<- function(g. = g, T = 1) { ## 2. note g.
g.(1,T)
}
test()
## [1] 8.560335e-37
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