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“Templates can be used only with field access, property access, single-dimension array index, or sin
...he error message.
You are trying to pass in a method chain to be executed and it doesn't like it.
This is a perfect example of where the MVVM (Model-View-ViewModel) pattern comes in handy.
You could wrap up your Trainer model class in another class called TrainerViewModel that could work somethin...
What does enumerable mean?
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An enumerable property is one that can be included in and visited during for..in loops (or a similar iteration of properties, like Object.keys()).
If a property isn't identified as enumerable, the loop will ignore that it's within the object.
var obj = { key: 'val' };
console...
How to show SQL queries run in the Rails console?
... can I see the actual database queries being run so I can gain more understanding of what is happening?
6 Answers
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Dynamically load a JavaScript file
How can you reliably and dynamically load a JavaScript file? This will can be used to implement a module or component that when 'initialized' the component will dynamically load all needed JavaScript library scripts on demand.
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What is the difference between a route and resource in New Router API?
I am trying to understand the difference between a Route and a Resource . The way I understand Resource helps to set sub paths of a Route object to another Route Object. But its unclear when i think of default name mapping happening for paths as well.
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express throws error as `body-parser deprecated undefined extended`
...dy-parser middleware was added back under the methods express.urlencoded() and express.json()
Which can be used as:
app.use(express.urlencoded({extended: true}));
app.use(express.json());
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Why should weights of Neural Networks be initialized to random numbers? [closed]
... AI literature there is a consensus that weights should be initialized to random numbers in order for the network to converge faster.
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What is the standard exception to throw in Java for not supported/implemented operations?
In particular, is there a standard Exception subclass used in these circumstances?
4 Answers
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How to prevent errno 32 broken pipe?
... client program doesn't wait till all the data from the server is received and simply closes a socket (using close function).
In a C program you would normally try setting to ignore SIGPIPE signal or setting a dummy signal handler for it. In this case a simple error will be returned when writing t...
Getting raw SQL query string from PDO prepared statements
...the final SQL query, with parameter values interpolated into it. I understand that this would be useful for debugging, but it is not the way prepared statements work. Parameters are not combined with a prepared statement on the client-side, so PDO should never have access to the query string combi...