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Error: Can't set headers after they are sent to the client
...d in and you can only call res.write(data), and finally res.end(data).
The error "Error: Can't set headers after they are sent." means that you're already in the Body or Finished state, but some function tried to set a header or statusCode. When you see this error, try to look for anything that trie...
Why can't yield return appear inside a try block with a catch?
...at's kind of like saying you don't need exceptions because you can use the error code returning strategy commonly used in C so many years ago. I admit the technical difficulties may be significant, but this still severely limits the usefulness of yield, in my opinion, because of the spaghetti code y...
How to downgrade or install an older version of Cocoapods
... is brilliant! I had upgraded to 0.38, and with that version I was getting errors. All I had to do to revert to 0.37 was run your comment sudo gem uninstall cocoapods and then pick 0.38 from the automatically presented list. Within seconds I was back on 0.37, and my pod install worked again! Thanks ...
Can someone explain __all__ in Python?
...oo:
$ cat > run.py
from main import *
foo()
bar()
main() # expected to error here, not exported
$ python run.py
Traceback (most recent call last):
File "run.py", line 4, in <module>
main() # expected to error here, not exported
NameError: name 'main' is not defined
...
What is the purpose of using -pedantic in GCC/G++ compiler?
...n causes gcc to issue warnings in such cases. Using the stricter
-pedantic-errors option converts such diagnostic warnings into errors that will cause compilation
to fail at such points. Only those non-ISO constructs that are required to be flagged by a conforming
compiler will generate warnings or ...
Is there any JSON Web Token (JWT) example in C#?
...hange the resolver code to request the certificates because else you get a error in a few days when Google changes it's certificates.
– Thomas
Apr 4 '18 at 15:05
...
Unresolved reference issue in PyCharm
... simply work. If you unmarked it as a source root however, you will get an error:
After all this don't forget to restart. In PyCharm menu select: File --> Invalidate Caches / Restart
...
When do items in HTML5 local storage expire?
...name + '_expiresIn');
} catch(e) {
console.log('removeStorage: Error removing key ['+ key + '] from localStorage: ' + JSON.stringify(e) );
return false;
}
return true;
}
/* getStorage: retrieves a key from localStorage previously set with setStorage().
params:
...
Python hashable dicts
...hash.
– Oben Sonne
Apr 26 '13 at 13:05
3
In the special case of dicts with indentical keys and di...
Should I hash the password before sending it to the server side?
I noticed that most sites send the passwords as plain text over HTTPS to the server. Is there any advantage if instead of that I sent the hash of the password to the server? Would it be more secure?
...