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What's the best way to refactor a method that has too many (6+) parameters?
...e minSpeed and maxSpeed parameters and put them in a new type:
class SpeedRange
{
public int Min;
public int Max;
}
bool SpeedIsAcceptable(SpeedRange sr, int currentSpeed)
{
return currentSpeed >= sr.Min & currentSpeed < sr.Max;
}
This is better, but to really take advantage ...
How to install a node.js module without using npm?
...kg>@<version>
npm install <pkg>@<version range>
Can specify one or more: npm install ./foo.tgz bar@stable /some/folder
If no argument is supplied and ./npm-shrinkwrap.json is
present, installs dependencies specifi...
Which $_SERVER variables are safe?
...ese are "safe" or not depend on how (and where) they are defined. They can range from completely server controlled to completely user controlled.
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How can I save an image with PIL?
... Then the normalization is to keep things simple for the conversion to the range [0, 255].
– mmgp
Jan 23 '13 at 4:53
1
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What are all the common undefined behaviours that a C++ programmer should know about? [closed]
...
"Evaluating an expression whose result is not in the range of the corresponding types" .... integer overflow is well-defined for UNSIGNED integral types, just not signed ones.
– nacitar sevaht
Aug 9 '13 at 20:06
...
What's the algorithm to calculate aspect ratio?
...is resolution is, and take one with the smaller error
for i in range(len(accepted_ratios)):
ratio = accepted_ratios[i].split(':')
w = float(ratio[0])
h = float(ratio[1])
known_ratio_normalized = w / h
distanc...
Return multiple columns from pandas apply()
...bellow, I got 4x faster.
import pandas as pd
dat = [ [i, 10*i] for i in range(1000)]
df = pd.DataFrame(dat, columns = ["a","b"])
def add_and_sub(row):
add = row["a"] + row["b"]
sub = row["a"] - row["b"]
return add, sub
df[["add", "sub"]] = df.apply(add_and_sub, axis=1, result_type=...
Erasing elements from a vector
...ing of the vector and returns the iterator to the first element after that range. Then erase removes these elements (whose value is unspecified).
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Explain Morris inorder tree traversal without using stacks or recursion
... will visually display random binary trees
import binarytree as b
for _ in range(10):
print()
print("Example #",_)
tree=b.tree()
print(tree)
MorrisTraversal(tree)
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improv...
Why is enum class preferred over plain enum?
...
Specifying the underlying type if a field have an expression out of the range of this type the compiler will complain instead of changing the underlying type.
I think that this is a good safety improvement.
So Why is enum class preferred over plain enum?, if we can choose the underlying type fo...