string-concatenation Questions
14
Solved
I have been given the two strings "str1" and "str2" and I need to join them into a single string. The result should be something like this: "String1, String 2". The "str1" and "str2" variables howe...
Iodide asked 2/1, 2014 at 11:29
3
I am trying to use templates to create an analogue of the type_info::name() function which emits the const-qualified name. E.g. typeid(bool const).name() is "bool" but I want to see "bool const". S...
Stockist asked 15/8, 2016 at 13:24
31
Solved
In PHP, strings are concatenated together as follows:
$foo = "Hello";
$foo .= " World";
Here, $foo becomes "Hello World".
How is this accomplished in Bash?
Encumbrance asked 15/11, 2010 at 5:38
8
Solved
I would like to know how to concatenate a string to the end of all elements in a list.
For example:
List1 = [ 1 , 2 , 3 ]
string = "a"
output = ['1a' , '2a' , '3a']
Chalkboard asked 13/1, 2018 at 18:29
22
I have a dataframe that looks like
Year quarter
2000 q2
2001 q3
How do I add a new column by combining these columns to get the following dataframe?
Year quarter period
2000 q2 2000q2
2001 q3 2001...
Kasiekask asked 15/10, 2013 at 9:42
15
Solved
I am setting text using setText() by following way.
prodNameView.setText("" + name);
prodOriginalPriceView.setText("" + String.format(getString(R.string.string_product_rate_with_ruppe_sign), "" +...
Scroop asked 16/10, 2015 at 7:32
11
Solved
Is there a C++ Standard Template Library class that provides efficient string concatenation functionality, similar to C#'s StringBuilder or Java's StringBuffer?
Becerra asked 17/3, 2010 at 14:20
20
Solved
In Go, a string is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
So if I want to concatenate strings many times without knowing the length of...
Peyote asked 19/11, 2009 at 3:44
6
Solved
All, I have a large (unavoidable) dynamic SQL query. Due to the number of fields in the selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that t...
Grekin asked 28/9, 2012 at 12:22
48
Solved
Consider a database table holding names, with three rows:
Peter
Paul
Mary
Is there an easy way to turn this into a single string of Peter, Paul, Mary?
Thirlage asked 11/10, 2008 at 23:49
4
Solved
I've been adding std::string_views to some old code for representing string like config params, as it provides a read only view, which is faster due to no need for copying.
However, one cannot conc...
Evangelin asked 24/8, 2022 at 19:4
23
Solved
How do I get:
id Name Value
1 A 4
1 B 8
2 C 9
to
id Column
1 A:4, B:8
2 C:9
Dunstan asked 7/11, 2008 at 19:8
2
Solved
I would like to create a dynamic file path in .bat file. At the moment the file path looks like this:
"C:\FolderA\FolderB\FileA.xlsx"
I would like to incorporate today's date in the file name to...
Sheep asked 7/4, 2016 at 15:32
13
Solved
I need to concatenate two const chars like these:
const char *one = "Hello ";
const char *two = "World";
How might I go about doing that?
I am passed these char*s from a third-party library wit...
Stoat asked 3/1, 2010 at 14:2
2
Solved
I have this code using python 3.11:
import timeit
code_1 = """
initial_string = ''
for i in range(10000):
initial_string = initial_string + 'x' + 'y'
"""
code_2 = &...
Obligatory asked 18/3, 2023 at 7:7
7
Solved
Let's say I have a table like this in SQL Server:
Id City Province Country
1 Vancouver British Columbia Canada
2 New York null null
3 null Adama null
4 null null France
5 Winnepeg Manitoba null
6 ...
Footling asked 5/7, 2012 at 19:18
2
Please tell me the answer with explanation:
#define f(g,h) g##h
main(){
printf("%d",f(100,10));
}
Highbinder asked 11/4, 2015 at 12:17
9
Solved
How do I concatenate the following combinations of types:
str and str
String and str
String and String
Narco asked 10/5, 2015 at 17:40
17
Solved
What is the most efficient way to write the old-school:
StringBuilder sb = new StringBuilder();
if (strings.Count > 0)
{
foreach (string s in strings)
{
sb.Append(s + ", ");
}
sb.Remove(sb...
Brimmer asked 20/10, 2008 at 8:46
4
Solved
trying to achieve something like tinder's Terms and Conditions, however i cannot figure it out how to make the Terms and Privacy Policy Clickable in swift UI
By creating an account or logging in...
Lacerated asked 16/12, 2019 at 15:34
4
Solved
I am working with spark 2.2.0 and pyspark2.
I have created a DataFrame df and now trying to add a new column "rowhash" that is the sha2 hash of specific columns in the DataFrame.
For example, s...
Snort asked 12/9, 2018 at 9:45
16
Solved
Is this safe to use require("path").join to concatenate URLs, for example:
require("path").join("http://example.com", "ok");
//returns 'http://example.com/ok'
require("path").join("http://exampl...
Titillate asked 30/4, 2013 at 13:45
4
Solved
Consider the below code.
void main() {
int num = 5;
print('The number is ' + num);
}
When I try to print the value for the variable num, I get the exception : The argument type 'int' can't be...
Barham asked 16/6, 2018 at 7:14
3
Solved
CREATE OR REPLACE FUNCTION getParentLtree(parent_id bigint, tbl_name varchar)
RETURNS ltree AS
$BODY$
DECLARE
parent_ltree ltree;
BEGIN
-- This works fine:
-- select into parent_ltree l_tree fro...
Hortense asked 26/3, 2014 at 9:33
3
I have a specific series of datasets which come in the following general form:
import pandas as pd
import random
df = pd.DataFrame({'n': random.sample(xrange(1000), 3), 't0':['a', 'b', 'c'], 't1':[...
Waistline asked 19/9, 2016 at 11:14
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