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How can I concatenate strings in C?


How can I concatenate strings in C?

By : John
Date : November 22 2020, 10:31 AM
This might help you txt is a pointer and memory should be allocated to it.
It is good to have the below checks
code :
 char *txt = malloc(size+1); /* Number of bytes needed to store your strings */
 strcpy(txt,"Hello");
 strcat(txt,"World");
free(txt);
char txt[30];
strcpy(txt,"Hello");
strcat(txt,"World");


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Easy way to concatenate list of strings into a comma-separated strings, where strings are members of an object?

Easy way to concatenate list of strings into a comma-separated strings, where strings are members of an object?


By : moogheads
Date : March 29 2020, 07:55 AM
wish helps you Say I have a List(Of Tag) with Tag being an object. One member of Tag, Tag.Description, is a string, and I want to make a comma-separated concatenation of the Description members. , Try this:
code :
String.Join(", ", tagList.Select(t => t.Description).ToArray());
Concatenate Strings in the strings.xml file for Android

Concatenate Strings in the strings.xml file for Android


By : Bakkinr
Date : March 29 2020, 07:55 AM
This might help you I am afraid that is not possible in strings.xml.
What you can do is create the final string programmatically using getString:
code :
String outStr = getString(R.string.your_android_says) + 
  " " + getString(R.string.hello);
mysql - How to concatenate strings and convert to date the strings?

mysql - How to concatenate strings and convert to date the strings?


By : BobbiMonsta
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Please take a look at my stored procedure code. , CONCAT() is the key.
BEFORE:
code :
mysql> CREATE  PROCEDURE `getMonthlyTotalScore`(IN ninjaId int,  IN month int, IN year int)
        -> BEGIN
        ->     DECLARE startDate DATE;
        ->     DECLARE endDate DATE;
        ->     DECLARE maxDay INTEGER;
        -> 
        ->     SELECT year + '-' + month + '-01'; #NOTE THIS
        -> 
        ->     
        -> END;    
        -> |
    Query OK, 0 rows affected (0.00 sec)

    mysql> call getMonthlyTotalScore(1,5,2012);
        -> |
    +----------------------------+
    | year + '-' + month + '-01' |
    +----------------------------+
    |                       2016 |
    +----------------------------+
    1 row in set (0.00 sec)
mysql> CREATE  PROCEDURE `getMonthlyTotalScore`(IN ninjaId int,  IN month int, IN year int)
    -> BEGIN
    ->     DECLARE startDate DATE;
    ->     DECLARE endDate DATE;
    ->     DECLARE maxDay INTEGER;
    -> 
    ->     SELECT CONCAT(year,'-',month,'-01'); # NOTE THIS
    -> 
    ->     
    -> END;    |
Query OK, 0 rows affected (0.00 sec)

mysql> call getMonthlyTotalScore(1,5,2012);
    -> |
+------------------------------+
| CONCAT(year,'-',month,'-01') |
+------------------------------+
| 2012-5-01                    |
+------------------------------+
1 row in set (0.00 sec)

Query OK, 0 rows affected (0.00 sec)
Concatenating Strings (do not want to concatenate empty strings)

Concatenating Strings (do not want to concatenate empty strings)


By : DriveYouCrazy
Date : March 29 2020, 07:55 AM
it should still fix some issue Use String.Join together with Where/Select and String.IsNullOrWhitespace:
code :
Dim items = From item In {ACL_PermissionFC, ACL_PermissionM, ACL_PermissionRE, ACL_PermissionW, ACL_PermissionLD} 
            Where Not String.IsNullOrWhiteSpace(item)
            Select String.Format("{0}[{1}]", item.PadLeft(PaddingValue), ACL_Type)

Dim Permissions = String.Join(";", items)
How to concatenate strings by alternating chars from both strings in C++?

How to concatenate strings by alternating chars from both strings in C++?


By : Martin
Date : March 29 2020, 07:55 AM
This might help you Suppose I've the following code , The output shall alternate the characters of each string:
code :
std::string res = "";
for(int i = 0; i < std::max(a.size(), b.size()); i++){
    if (i < a.size())
       res += a[i];
    if (i < b.size())
       res += b[i];
}
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