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How to redirect to a 404 in Rails?
...to 'fake' a 404 page in Rails. In PHP, I would just send a header with the error code as such:
11 Answers
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How to directly initialize a HashMap (in a literal way)?
...u want to?
– yankee
Aug 16 '15 at 8:05
6
and for the cases when you need a Map with a single entr...
Fatal error: unexpectedly found nil while unwrapping an Optional values [duplicate]
...d it, and the runtime returns a nil that should never happen. It's a fatal error, the app crashes, and the Console output gives:
fatal error: unexpectedly found nil while unwrapping an Optional value
Bottom line: check your cell reuse identifier specified in the .storyboard, Xib, or in code, and ...
How to round up to the nearest 10 (or 100 or X)?
...nding value y:
# Round(1.3,1) = 1 while Round(1.6,1) = 2
# Round(1.024,0.05) = 1 while Round(1.03,0.05) = 1.05
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“Unknown class in Interface Builder file” error at runtime
Even though Interface Builder is aware of a MyClass , I get an error when starting the application.
46 Answers
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What's causing my java.net.SocketException: Connection reset? [duplicate]
...ng frequent but intermittent java.net.SocketException: Connection reset errors in our logs. We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
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Error: Could not create the Java Virtual Machine Mac OSX Mavericks
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Normally this error occurs when you invoke java by supplying the wrong arguments/options. In this case it should be the version option.
java -version
So to double check you can always do java -help, and see if the option exists. In thi...
“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
I'm running a PHP script and continue to receive errors like:
28 Answers
28
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uncaught syntaxerror unexpected token U JSON
I get this error "uncaught syntaxerror unexpected token U" when I run my page in chrome. And in firefox I get, "JSON.parse: unexpected character". I'm returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be apprecia...
What is the proper way to use the node.js postgresql module?
... .then(data => {
console.log('DATA:', data);
})
.catch(error => {
console.log('ERROR:', error);
});
i.e. you do not need to deal with connection logic when executing queries, because you set up the connection only once, globally, like this:
const pgp = require('...