contains Questions
4
Solved
Does the __contains__ method of a list class check whether an object itself is an element of a list, or does it check whether the list contains an element equivalent to the given parameter?
Could ...
3
Solved
I'm attempting to select rows from a dataframe using the pandas str.contains() function with a regular expression that contains a variable as shown below.
df = pd.DataFrame(["A test Case","Another...
5
Solved
Is there a method for checking if a table contains a value ? I have my own (naive) function, but I was wondering if something "official" exists for that ? Or something more efficient...
function t...
1
Solved
I need to check the value that exists in a variable or not and based on that I need to create resources.
If value_list doesn't have these values('abc','def','ghi') it should not create the resource...
Saturant asked 3/3, 2021 at 8:58
4
I am trying to check whether a map contains all contents of another map. For example, I have a mapA which is a Map<String, List<String>> and the elements are:
"1" -> ["a","b"]
"2" -...
5
Solved
How do I use the Python in operator to check my list/tuple sltn contains each of the integers 0, 1, and 2?
I tried the following, why are they both wrong:
# Approach 1
if ("0","1","2") in sltn:
...
Schema asked 9/2, 2016 at 21:7
10
Solved
Basically, how do I make it so I can do something similar to: CurrentCollection.Contains(...), except by comparing if the item's property is already in the collection?
public class Foo
{
public I...
Iloilo asked 13/6, 2011 at 13:38
3
Solved
I implemented the __contains__ method on a class for the first time the other day, and the behavior wasn't what I expected. I suspect there's some subtlety to the in operator that I don't understan...
Theodoretheodoric asked 23/7, 2016 at 13:54
2
Solved
How do I check if an array exists in a HashSet?
For example:
int[] a = new int[]{0, 0};
HashSet<int[]> set = new HashSet<>();
set.add(a);
Then:
int[] b = new int[]{0, 0};
set.contain...
Redmund asked 26/12, 2020 at 8:23
3
I initialize the HashSet like this:
private HashSet<Rule> ruleTable = new HashSet<Rule>();
The equals() and hashCode() methods of my TcpRule object (sub-class of abstract class Rule)...
4
Solved
In SQL Server database I have a View with a lot of INNER JOINs statements. The last join uses LIKE predicate and that's why it's working too slowly. The query looks like :
SELECT *
FROM A INNER JO...
Pantia asked 3/7, 2013 at 12:40
2
In Java we have HashSet<Integer>, I need similar structure in Python to use contains like below:
A = [1, 2, 3]
S = set()
S.add(2)
for x in A:
if S.contains(x):
print "Example"
Could you ...
2
Solved
I have a pandas data frame that one of its columns is a list. Please see below:
>>> a.head
C1 C2
0 23 [2,4,5,8,1]
1 24 [1,2]
2 15 [-2]
3 19 [1,3,4,5,6,7,8,9,0]
I would like to find a r...
Quintuplet asked 16/2, 2017 at 8:28
12
Solved
I'm doing an C# app where I use
if ((message.Contains("test")))
{
Console.WriteLine("yes");
} else if ((message.Contains("test2"))) {
Console.WriteLine("yes for test2");
}
There would be any ...
Optimal asked 24/8, 2011 at 12:42
9
We are running many products search on a huge catalog with partially matched barcodes.
We started with a simple like query
select * from products where barcode like '%2345%'
But that takes way t...
Interpolate asked 7/6, 2016 at 10:45
22
Solved
I got one big question.
I got a linq query to put it simply looks like this:
from xx in table
where xx.uid.ToString().Contains(string[])
select xx
The values of the string[] array would be numb...
3
Solved
For example, I need something like:
Collection<String> collection = /* ... */;
Stream<Object> stream = /* ... */;
boolean containsAll = stream.map(Object::toString).containsAll(collect...
Eph asked 7/10, 2019 at 12:33
3
Solved
How can I assign a value to cells if it's neighbour contains a specific string?
For example, fields in column A:
dog11
cat22
cow11
chick11
duck22
cat11
horse22
cat33
The syntax in colum...
Clint asked 8/8, 2012 at 15:3
7
Solved
I'm trying to use the .Contains() function on a list of custom objects.
This is the list:
List<CartProduct> CartProducts = new List<CartProduct>();
And the CartProduct:
public class Ca...
9
Solved
I need to know if a string contains an Int to be sure that a name the user entered is a valid full name,
for that I need to either make the user type only chars, or valid that there are no ints in ...
3
Solved
I'm working on a project, and need to optimize the running time. Is String.contains() runtime the same as TreeSet.contains(), which is O(logN)?
The reason I'm asking is I'm building a TreeMap<S...
3
Solved
I would like to match the following text sometext12345_text using the below regex.
I'm using this in one of my selenium tests.
String expr = "//*[contains(@id, 'sometext[0-9]+_text')]";
driver.f...
Skepful asked 28/1, 2014 at 12:7
3
Solved
I am trying to use the method ArrayCollection::contains to find if an object is already in my Collection, but when i am doing :
//My ArrayCollection
$lesRoles = $drt->getDrtApplication()->g...
Nottinghamshire asked 25/2, 2016 at 10:49
9
I'm trying to implement String method contains() without using the built-in contains() method.
Here is what I have so far:
public static boolean containsCS(String str, CharSequence cs) {
char[]...
3
Solved
I am trying to filter a list by a search string. It says in the doc on the blue note that:
IQueryable gives you the database provider implementation of Contains.
IEnumerable gives you the .NET Fra...
Straw asked 11/1, 2018 at 22:21
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