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MySQL SELECT only not null values
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GROUP_CONCAT(body) AS body
– Ravindra Singh
Sep 12 '19 at 12:11
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...ER(x,y)
#define NAME(fun) EVALUATOR(fun, VARIABLE)
extern void NAME(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "xx.c"
extern void mine_3(char *x);
$
Two levels of indirection
In a comment to another answer, Cade Roux asked why this needs t...
How to convert std::string to lower case?
...ideal anyway as use with a std::string would require iterating over each character.
25 Answers
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AngularJS Folder Structure [closed]
...g
/bower_components
index.html
bower.json
And after grunt build (concat, uglify, rev, etc...):
/scripts
scripts.min.js (all JS concatenated, minified and grunt-rev)
vendor.min.js (all bower components concatenated, minified and grunt-rev)
/views
/styles
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How to access the request body when POSTing using Node.js and Express?
...t; {
// on end of data, perform necessary action
body = Buffer.concat(body).toString();
response.write(request.body.user);
response.end();
});
});
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Should I initialize variable within constructor or outside constructor [duplicate]
... in some case initializing in constructor makes sense.
class String
{
char[] arr/*=char [20]*/; //Here initializing char[] over here will not make sense.
String()
{
this.arr=new char[0];
}
String(char[] arr)
{
this.arr=arr;
}
}
So depending on the situa...
Left Join With Where Clause
...to retrieve all default settings from the settings table but also grab the character setting if exists for x character.
6 ...
How to check if a String contains another String in a case insensitive manner in Java?
..._INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since it is the first one people will see, but vote up Matt Quail's since he pointed this out.
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How to print time in format: 2009‐08‐10 18:17:54.811
...lt;stdio.h>
#include <time.h>
int main()
{
time_t timer;
char buffer[26];
struct tm* tm_info;
timer = time(NULL);
tm_info = localtime(&timer);
strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info);
puts(buffer);
return 0;
}
For milliseconds part, have ...
How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
In Python, the only way I can find to concatenate two lists is list.extend , which modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
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