remove-if Questions
3
Solved
I want to remove elements (histogram bins) from an std::unordered_map (histogram) that fulfills a predictate (histogram bins having zero count) given as a lambda expression as follows
std::remove_...
Comrade asked 9/2, 2012 at 11:25
6
Solved
in a function I need to check if a (div, span, p) contains any .html elements in it before attempting to remove the html and add in new content.
Not sure how to do this...
I tried this, but not w...
Pyonephritis asked 5/4, 2013 at 2:24
4
Solved
We can use remove_if in C++ to remove elements from a vector in linear time based on a predicate that operates on the elements.
bool condition(double d) {...}
vector<double> data = ...
std:...
1
Solved
I am getting a map in my method from another server and I have some null values, I wanted to remove those ones, because I am struggling with those values in the following process:
My map looks som...
2
I have a list e.g. l1 = [1,2,3,4] and another list: l2 = [1,2,3,4,5,6,7,1,2,3,4].
I would like to check if l1 is a subset in l2 and if it is, then I want to delete these elements from l2 such that...
3
Solved
In my application I have 4 links with different IDs and 4 DIV with same ID as each link (I use them for anchor-jumping).
My current code:
<a href="#1" id="go1" class="btn" data-anchor="relati...
Scourings asked 24/12, 2016 at 11:19
4
Solved
Ok, I expect I've made a dumb mistake here. I have a list of DisplayDevice3d and each DisplayDevice3d contains a list of DisplayMode3d. I want to remove all items from the list of DisplayDevice3d t...
Chaparajos asked 18/12, 2010 at 15:22
4
Solved
I recently asked a question about removing items from a vector. Well, the solution I got works, but I don't understand it - and I cannot find any documentation explaining it.
struct RemoveBlockedH...
Proteolysis asked 31/3, 2011 at 16:55
1
Solved
Given
std::vector<double> a;
std::vector<int> ind;
where ind is 1sorted in ascending order.
I want to do the equivalent of the following:
for (auto it=ind.rbegin();it!=ind.rend();...
Labbe asked 16/2, 2015 at 19:11
3
Solved
I'm beginner in programming. Something is giving me trouble to code. Suppose, I've an array.
int Array[] = {3,6,9,5,10,21,3,25,14,12,32,41,3,24,15,26,7,8,11,4};
I want to remove all elements wh...
1
Solved
I have this:
Post.paragraphs << new_paragraph
And I need to remove paragraph by id = 3, so the following deletes the record completely:
Post.paragraphs.find(paragraph_id).destroy
# or
Pos...
Bister asked 4/9, 2014 at 8:12
4
Solved
Here my code. I want remove from vector all elements with successfully called method 'release'.
bool foo::release()
{
return true;
}
// ...
vector<foo> vec;
// ...
remove_if(vec.begi...
2
Solved
Is there equivalent of higher-order function filter in Emacs Lisp? Like function from python or Javascript.
(filter-equivalent (lambda (n) (= (% n 2) 0)) '(1 2 3 4 5 6 7 8))
==> (2 4 6 8)
Olette asked 25/9, 2013 at 9:38
5
Solved
I would like to remove elements from a vector using remove_if function but limiting the erasing to N elements.
Example:
// predicate function that determines if a value is an odd number.
bool IsO...
3
Solved
I have a regular expression to validate a string. But now I want to remove all the characters that do not match my regular expression.
E.g.
regExpression = @"^([\w\'\-\+])"
text = "This is a sam...
2
Solved
Possible Duplicate:
remove_if equivalent for std::map
I have a set of strings:
set <wstring> strings;
// ...
I wish to remove strings according to a predicate, e.g.:
std::re...
4
Solved
Here's the code:
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main()
{
string word="";
getline(cin,word);
word.erase(remove_if(word.beg...
Alexandria asked 3/12, 2011 at 1:13
7
Solved
3
Solved
How can I reverse a predicate's return value, and remove the elements that return false instead of true?
Here is my code:
headerList.remove_if(FindName(name));
(please ignore lack of erase)
wi...
Ibnrushd asked 5/10, 2010 at 14:27
1
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