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The object cannot be deleted because it was not found in the ObjectStateManager
...ext, outside of a TransactionScope. Moved the parent call inside the scope and same context and my problem was solved.
– dan richardson
Feb 7 '13 at 10:31
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Need to understand the usage of SemaphoreSlim
Here is the code I have but I don't understand what SemaphoreSlim is doing.
3 Answers
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How can I force clients to refresh JavaScript files?
We are currently working in a private beta and so are still in the process of making fairly rapid changes, although obviously as usage is starting to ramp up, we will be slowing down this process. That being said, one issue we are running into is that after we push out an update with new JavaScript...
Include constant in string without concatenating
...direct variations, unnecessarily creating functions, yours is the shortest and to the point solution that relies on variable functions, underrated and very infrequently used feature of PHP. Out of this whole thread I went with YOUR particular solution. I wish I could +1 it more than once.
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List of special characters for SQL LIKE clause
...KE '_ean' finds all four-letter first names that end with ean (Dean, Sean, and so on).
[ ] Any single character within the specified range ([a-f]) or set ([abcdef]).
WHERE au_lname LIKE '[C-P]arsen' finds author last names ending with arsen and starting with any single character between C and P, fo...
Set value of textarea in jQuery
... val does take the time to make sure the value you're setting is a string, and attr seems to do a bit more magic overall.
– enobrev
Jan 6 '09 at 6:31
63
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Can't choose class as main class in IntelliJ
...bunch of files in a nested folder hierarchy. Many of these files are tests and include the main method, so I should be able to run them. However I cannot figure out how to do this.
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Editing dictionary values in a foreach loop
...he data. I'm removing any pie slices that would be less than 5% of the pie and putting them in a "Other" pie slice. However I'm getting a Collection was modified; enumeration operation may not execute exception at runtime.
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Assigning a variable NaN in python without numpy
...r all comparisons returning false for IEEE754 NaN values? for more details and information.
Instead, use math.isnan(...) if you need to determine if a value is NaN or not.
Furthermore, the exact semantics of the == operation on NaN value may cause subtle issues when trying to store NaN inside con...
Cloning an Object in Node.js
...tended to be used outside of internal Node.js modules. The community found and used it anyway.
It is deprecated and should not be used in new code. JavaScript comes with very similar built-in functionality through Object.assign().
Original answer::
For a shallow copy, use Node's built-in util._exte...