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sed error: “invalid reference \1 on `s' command's RHS”
...t/' works but sed -e 's/([[:digit:]])/\1 is a digit/ produces the original error without -r to sed. NOTE: the first invocation of sed searches for a literal (<digit>) and is not a capture group.
– Andrew Falanga
Mar 24 '16 at 14:58
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Error 1046 No database Selected, how to resolve?
Error
SQL query:
16 Answers
16
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Difference between `constexpr` and `const`
.... Therefore, you cannot use it as a constant expression:
int arr[mx]; // error: “constant expression required”
constexpr is a new C++11 keyword that rids you of the need to create macros and hardcoded literals. It also guarantees, under certain conditions, that objects undergo static initiali...
Error 908: Permission Receive SMS - #5 by Taifun - MIT App Inventor Help - MIT App Inventor Community
... MIT App Inventor Community
Error 908: Permission Receive SMS
MIT App Inventor Help
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express throws error as `body-parser deprecated undefined extended`
In my node app, I am using express. all works fine, But i am getting error in the cmd . I use all are updated modules...
6...
What's the state of the art in email validation for Rails?
...you're going to send an email. If the email fails, you're going to get an error message. At which point you can tell the user "Sorry, your friend didn't receive that, would you like to try again?" or flag it for manual review, or just ignore it, or whatever.
These are the same options you'd have ...
Chrome refuses to execute an AJAX script due to wrong MIME type
...t unfortunately will not execute in Chrome. It's coming with the following error:
7 Answers
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MYSQL Truncated incorrect DOUBLE value
...ed with (what appeared to be) a numeric value in the where clause threw an error. Changing modes, it threw a warning instead, but still did not apply the update. Upon closer inspection, the column used in the where clause, despite only having what appeared to be integer values, was actually a varcha...
Call An Asynchronous Javascript Function Synchronously
...y rejects you can wrap it in a try catch or skip the try catch and let the error propagate to the async/await functions catch call. You should be careful not to leave promise errors unhandled especially in Node.js. Below are some examples that show off how errors work.
function timeoutReject (t...
When should I use double instead of decimal?
...ously decimals) can't be truly represented in floating point form
rounding errors occur, just as if you were doing the calculation by hand. It depends greatly on the context (how many operations you're performing) whether these errors are significant enough to warrant much thought however.
In all...