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When & why to use delegates? [duplicate]
.../// </summary>
public class Person {
public string Name { get; set; }
public int Age { get; set; }
}
class Program {
//Our delegate
public delegate bool FilterDelegate(Person p);
static void Main(string[] args) {
//Create 4 Person objects
Person p1 = ne...
Correct way to write line to file?
I'm used to doing print >>f, "hi there"
14 Answers
14
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Restore the state of std::cout after manipulating it
... that there's no magic here, that ios_flags_saver basically just saves and sets the flags like in @StefanKendall's answer.
– einpoklum
Feb 28 '16 at 13:10
15
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Is there a math nCr function in python? [duplicate]
I'm looking to see if built in with the math library in python is the nCr (n Choose r) function:
2 Answers
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Stop pip from failing on single package when installing with requirements.txt
... editor after snippets, if snippets enabled
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How to print like printf in Python3?
...keyword which introduced a statement:
print "Hi"
In Python3, print is a function which may be invoked:
print ("Hi")
In both versions, % is an operator which requires a string on the left-hand side and a value or a tuple of values or a mapping object (like dict) on the right-hand side.
So, you...
How to flatten tree via LINQ?
... not add elements to the flattened list if the list is of IEnumerable<baseType>. You can solve this by calling the function like this: var res = tree.Flatten(node => node.Elements.OfType<DerivedType>)
– Frank Horemans
Jun 27 '18 at 7:53
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How to wait for a number of threads to complete?
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See: "A thread group represents a set of threads." This is semantic correct for this use-case! And: "A thread is allowed to access information about its own thread group"
– Martin K.
Aug 9 '09 at 20:40
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Replace multiple strings with multiple other strings
...
Specific Solution
You can use a function to replace each one.
var str = "I have a cat, a dog, and a goat.";
var mapObj = {
cat:"dog",
dog:"goat",
goat:"cat"
};
str = str.replace(/cat|dog|goat/gi, function(matched){
re...
What is the difference between lower bound and tight bound?
With the reference of this answer , what is Theta (tight bound)?
8 Answers
8
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