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How to use GROUP_CONCAT in a CONCAT in MySQL
.... I always use this separator, because it's impossible to find it inside a string, therefor it's unique.
There is no problem having two A's, you identify only the value. Or you can have one more colum, with the letter, which is even better.
Like this :
SELECT id,GROUP_CONCAT(DISTINCT(name)), GROUP_...
How to view the assembly behind the code using Visual C++?
...isassembler on the .exe.
e.g. http://rextester.com/OKI40941
#include <string>
#include <boost/filesystem.hpp>
#include <Windows.h>
using namespace std;
static string my_exe(void){
char buf[MAX_PATH];
DWORD tmp = GetModuleFileNameA( NULL, // self
...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
I have the following string value: "walmart obama ????????"
11 Answers
11
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Convert file path to a file URI?
...ing the backslashes with forward slashes and feed the path to Uri.EscapeUriString - i.e.
new Uri(Uri.EscapeUriString(filePath.Replace(Path.DirectorySeparatorChar, '/'))).AbsoluteUri
This seems to work at first, but if you give it the path C:\a b.txt then you end up with file:///C:/a%2520b.txt ins...
Highlight the difference between two strings in PHP
What is the easiest way to highlight the difference between two strings in PHP?
13 Answers
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String.equals versus == [duplicate]
This code separates a string into tokens and stores them in an array of strings, and then compares a variable with the first home ... why isn't it working?
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What is the difference between String.slice and String.substring?
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slice() works like substring() with a few different behaviors.
Syntax: string.slice(start, stop);
Syntax: string.substring(start, stop);
What they have in common:
If start equals stop: returns an empty string
If stop is omitted: extracts char...
How do I split a string with multiple separators in javascript?
How do I split a string with multiple separators in JavaScript? I'm trying to split on both commas and spaces but, AFAIK, JS's split function only supports one separator.
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RegEx to parse or validate Base64 data
...9+/]{2}==|[A-Za-z0-9+/]{3}=)?$
This one is good, but will match an empty String
This one does not match empty string :
^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$
share
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Sort array of objects by single key with date value
...the array using your current updated_at in ISO format. We use new Data(iso_string).getTime() to convert ISO time to Unix timestamp. A Unix timestamp is a number that we can do simple math on. We subtract the first and second timestamp the result is; if the first timestamp is bigger than the second t...