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What is a database transaction?
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248
A transaction is a unit of work that you want to treat as "a whole." It has to either happen i...
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...
How do I make an HTTP request in Swift?
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20 Answers
20
Active
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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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Python super() raises TypeError
In Python 2.5, the following code raises a TypeError :
4 Answers
4
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UnicodeDecodeError when redirecting to file
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252
The whole key to such encoding problems is to understand that there are in principle two disti...
How to rethrow InnerException without losing stack trace in C#?
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answered Jun 13 '13 at 15:42
Paul TurnerPaul Turner
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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 put more than 1000 values into an Oracle IN clause [duplicate]
...Otávio DécioOtávio Décio
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7
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