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How to print a stack trace in Node.js?
... was constructed.
var stack = new Error().stack
console.log( stack )
or more simply:
console.trace("Here I am!")
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What happens to C# Dictionary lookup if the key does not exist?
...ee no indication that that question states that at all. It says it's doing more work than ContainsKey, which is true, because it has to extract the value as well. It's not doing two lookups though.
– Jon Skeet
Dec 2 '12 at 17:56
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jquery select change event get selected option
... what is the difference? Or what is faster? I prefer .find() since this is more OO IMO...
– Adrian Föder
May 7 '14 at 6:54
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what is “strict mode” and how is it used?
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Its main purpose is to do more checking.
Just add "use strict"; at the top of your code, before anything else.
For example, blah = 33; is valid JavaScript. It means you create a completely global variable blah.
But in strict mode its an error becau...
Python class inherits object
...er() considered super.
If you don't inherit from object, forget these. A more exhaustive description of the previous bullet points along with other perks of "new" style classes can be found here.
One of the downsides of new-style classes is that the class itself is more memory demanding. Unless y...
Stack Memory vs Heap Memory [duplicate]
...'s with virtual memory and memory-mapped devices make the actual situation more complicated, but that's Stack vs Heap in a nutshell.
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Singleton pattern in nodejs - is it needed?
...tive file systems or operating systems. Regarding symlinking, you can read more here as it was discussed github.com/nodejs/node/issues/3402. Also if you are symlinking files or do not understand your OS and node properly then you shouldn't be anywhere near the aerospace engineering industry ;), I do...
Hexadecimal To Decimal in Shell Script
...0xff)), i.e. with C-like hex prefix instead of 16#, although N# is clearly more general.
– Ruslan
Oct 17 '16 at 9:38
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Entity Framework and Connection Pooling
...onnnection pooling in connection string if you don't want to use it. (read more about SQL Server Connection Pooling (ADO.NET))
Never ever use global context. ObjectContext internally implements several patterns including Identity Map and Unit of Work. Impact of using global context is different per ...