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When should I choose Vector in Scala?
...l problem: it doesn't work with parallel algorithms. I cannot split a List into multiple segments, or concatenate it back, in an efficient manner.
There are other kinds of collections that can handle parallelism much better -- and Vector is one of them. Vector also has great locality -- which List ...
Inheritance vs. Aggregation [closed]
...e point in the future.
Another thing I've found is that it's very hard to convert from inheritance to aggregation once there's a lot of code written around an inheritance hierarchy. Just switching from a superclass to an interface means changing nearly every subclass in the system.
And, as I menti...
Is there an equivalent for var_dump (PHP) in Javascript?
...ehaviors based on existance or
// absence of a var_name parameter. By converting 'undefined' to 'empty
// string', the length greater than zero test can be applied in all cases.
var_name = typeof var_name === 'undefined' ? '':var_name;
var out = '';
var v_name = '';
switch ...
How to determine if a point is in a 2D triangle? [closed]
Is there an easy way to determine if a point is inside a triangle? It's 2D, not 3D.
25 Answers
...
How to fix SSL certificate error when running Npm on Windows?
...vide the text base file (like for Jenkins builds), this certificate can be converted into pem: openssl x509 -inform DER -outform PEM -in DigiCertHighAssuranceEVRootCA.crt -out DigiCertHighAssuranceEVRootCA.pem
– Audrius Meskauskas
Feb 14 '17 at 12:53
...
Checking if a double (or float) is NaN in C++
... will be true only if f is NaN.
Note that, as some comments below have pointed out, not all compilers respect this when optimizing code.
For any compiler which claims to use IEEE floating point, this trick should work. But I can't guarantee that it will work in practice. Check with your compiler...
GitHub: make fork an “own project”
...: the way to go is to contact GitHub support. It took less than an hour to convert my fork into a standalone repo.
– Georgii Ivankin
Jan 13 '17 at 16:54
...
What is the difference between Step Into and Step Over in the Eclipse debugger?
...he whole flow of a Java program. What is the difference between F5 (step into) and F6 (step over) in eclipse?
5 Answers...
What's the pythonic way to use getters and setters?
... @property
def x(self):
"""I'm the 'x' property."""
print("getter of x called")
return self._x
@x.setter
def x(self, value):
print("setter of x called")
self._x = value
@x.deleter
def x(self):
print("deleter of x called")
...
LINQ to read XML
...sole.WriteLine(GetOutline(0, rootElement));
}
private string GetOutline(int indentLevel, XElement element)
{
StringBuilder result = new StringBuilder();
if (element.Attribute("name") != null)
{
result = result.AppendLine(new string(' ', indentLevel * 2) + element.Attribute("n...