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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...pdate in case of MySQL replication enabled
Try to connect MySQL server on IP for which MySQL server is bind in 'my.cnfinstead oflocalhost or 127.0.0.1`.
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Split column at delimiter in data frame [duplicate]
...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling.
– The Red Pea
Oct 26 '15 at 2...
Whitespace Matching Regex - Java
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Yeah, you need to grab the result of matcher.replaceAll():
String result = matcher.replaceAll(" ");
System.out.println(result);
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?
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Are there other ways to fix this problem? Any javascript fix? I tried looking at the various XMLHTTP objects and they still didn't fix the issue.
– Berlin Brown
Dec 5 '11 at 22:08
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Is there a splice method for strings?
...he Javascript splice only works with arrays. Is there similar method for strings? Or should I create my own custom function?
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UUID max character length
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Section 3 of RFC4122 provides the formal definition of UUID string representations. It's 36 characters (32 hex digits + 4 dashes).
Sounds like you need to figure out where the invalid 60-char IDs are coming from and decide 1) if you want to accept them, and 2) what the max length of...
How do I read an entire file into a std::string in C++?
How do I read a file into a std::string , i.e., read the whole file at once?
15 Answers
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How to use GROUP BY to concatenate strings in SQL Server?
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A slightly cleaner way of doing the string manipulation: STUFF((SELECT ', ' + [Name] + ':' + CAST([Value] AS VARCHAR(MAX)) FROM #YourTable WHERE (ID = Results.ID) FOR XML PATH ('')),1,2,'') AS NameValues
– Jonathan Sayce
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What is the optimal length for an email address in a database?
...s though.
Again, since a varchar only uses the space actually used by the string you store, there is no reason to have a small limit for email address length. Just go with 512 and stop worrying. Everything else is premature optimization
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How to increment a pointer address and pointer's value?
...str)
{
cout<<*str<<endl; // printing the string
*str++; // incrementing the address(pointer)
// check above about the prcedence and associativity
}
free(str[0]);
free(str[1]);
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