string-concatenation Questions

2

Solved

All afternoon I have been trying to get my head around concatenating a parameter in an ADO template. The parameter is a source path and in the template a next folder level needs to be added. I woul...
Upstroke asked 18/3, 2021 at 16:0

2

How to do concat the following strings whose length are known at compile time in Zig? const url = "https://github.com/{}/reponame"; const user = "Himujjal"; const final_url = ur...
Goetz asked 8/3, 2021 at 9:35

5

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I have a list1 like this, list1 = [('my', '1.2.3', 2),('name', '9.8.7', 3)] I want to get a new list2 like this (joining first element with second element's second entry); list2 = [('my2', 2),(...
Blackbeard asked 15/12, 2019 at 18:25

10

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Today, I read this thread about the speed of string concatenation. Surprisingly, string concatenation was the winner: http://jsben.ch/#/OJ3vo The result was opposite of what I thought. Besides, t...
Covering asked 4/9, 2011 at 11:50

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I don't use Lua, but need to use it with Openresty (nginx) as provided in the link. Openresty has a lua module which I managed to install and run the Openresty nginx version correctly, the website ...
Thompkins asked 2/2, 2021 at 11:0

5

In an apache config file how can i concatenate two strings? For example: "hello" + "world" // "helloworld" Why? One might want to do this to handle large Headers such as a Content-Security-P...
Juanitajuanne asked 27/7, 2018 at 10:58

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I know this might be quite basic and probably pretty straight forward but i cannot clearly understand what will happen in this situation, so, here it goes. In the following code: String str1 = "H...
Offspring asked 1/6, 2018 at 5:4

4

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How should an array of string be converted into string (With separator char)? I mean, is there some system function I can use instead of writing my own function?
Schoening asked 10/5, 2015 at 20:12

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I'm looking for a function in Presto to concat two columns with a separator like underline.
Hally asked 13/7, 2020 at 1:22

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I am trying to append a timestamp to the name of a file and then move that file into another directory. Here is a code example: $sourceFiles= Get-ChildItem $sourcePath\* -Include *.csv ForEach($so...
Permeance asked 29/10, 2020 at 10:42

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Are there any shortcuts to (stringByAppendingString:) string concatenation in Objective-C, or shortcuts for working with NSString in general? For example, I'd like to make: NSString *myString = @...
Tifanie asked 4/2, 2009 at 6:26

3

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I encountered a question on hackerrank. https://www.hackerrank.com/challenges/countingsort4 My first attempt passed all the test cases except the last one, due to timeout. After failed to come up ...
Stratum asked 4/12, 2014 at 7:59

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We're trying to 'join' an array of strings to a single string within an aggregation. Given is the following dataset: Collection 1: { id: 1234, field: 'test' } Collection 2: { id: 1111, co...
Meza asked 14/7, 2016 at 14:57

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In Visual C++, I have a LPWSTR mystring; which is already defined somewhere else in the code. I want to create a new LPWSTR containing: "hello " + mystring + " blablabla" (i.e. a concatenation...
Eliseoelish asked 14/3, 2013 at 22:8

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I want append to a string so that every time I loop over it, it will add "test" to the string. Like in PHP you would do: $teststr = "test1\n" $teststr .= "test2\n" ech...
Berwickupontweed asked 12/2, 2010 at 6:51

4

I am trying to convert date to number like below, not sure which function works better. Database used is SQL Server. Table details create table test ( id varchar(255), call_date varchar(255) ); ...
Maure asked 27/8, 2020 at 22:55

9

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I'm trying to understand what the best practice is and why for concatenating string literals and variables for different cases. For instance, if I have code like this StringBuilder sb = new String...
Lophophore asked 9/4, 2012 at 19:51

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I have the following in my ASP.Net MVC 3 Razor View @foreach (var item in Model.FormNotes) { <tr> <td> @Html.DisplayFor(modelItem => item.User.firstName) </td> </tr> ...
Cyclopedia asked 29/5, 2012 at 10:58

4

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poke_list = [... 'Charizard', '(Mega', 'Charizard', 'X)', '78', '130', ...] #1000+ values Is it possible to merge strings that start with '(' and end with ')' and then reinsert it into the same l...
Sedgemoor asked 31/5, 2020 at 22:14

4

I have four php variables like: $abc, $bcd, $dsf, $gkg. Now I want to concatenate them with a comma separating each. output: abc,bcd,dsf,gkg Now if any of the variable does not return an...
Recuperate asked 23/5, 2015 at 14:52

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If in a SELECT statement I'm selecting a concatenated string that uses values from the table(s) I'm selecting from, what's the best way to handle NULLs for those values so that I still have my stri...
Sp asked 10/2, 2011 at 18:9

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A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and ...
Invasion asked 6/4, 2012 at 12:42

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Understand "better" as a quicker, elegant and readable. I have two strings (a and b) that could be null or not. And I want concatenate them separated by a hyphen only if both are not null: a - b ...
Willson asked 12/3, 2013 at 12:16

2

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I have a data with a column for the first name and a column for the last name. I try to combine the them into one column via code: SELECT GROUP_CONCAT_UNQUOTED(full_name,' ') from (Select first_n...
Harry asked 5/5, 2015 at 7:5

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I am looking for a more elegant way of concatenating strings in Ruby. I have the following line: source = "#{ROOT_DIR}/" << project << "/App.config" Is there a nicer way of doing th...
Isola asked 18/12, 2008 at 13:4

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