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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'

... "text-danger" }) </div> </div> Now if we remove this statement: ViewBag.OperatorId = new SelectList(db.Operators, "OperatorId", "OperatorSign", number.OperatorId); from back of the following statement (in our controller) : return View(); we will see ...
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How to access custom attributes from event object in React?

...he function arguments array. If the "event object" was at index 0 it would now be at index 1. – Ryder Brooks Mar 11 '15 at 1:02 8 ...
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What is the LD_PRELOAD trick?

I came across a reference to it recently on proggit and (as of now) it is not explained. 9 Answers ...
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)

... this was 2010 :). Now i'll use body.readyState === 'loaded' – Jman May 22 '19 at 9:33 ...
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How to Set focus to first text input in a bootstrap modal after shown

... great, quick reponse! I made a silly error, works now! – Ramesh Pareek Apr 19 '16 at 11:29 ...
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Check if a class has a member function of a given signature

...tantiation does not "do inheritance". This snag does not affect the well-known SFINAE approach, using "The sizeof() Trick", for detecting merely whether T has some member function mf (see e.g. this answer and comments). But establishing that T::mf exists is often (usually?) not good enough: you may...
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No module named pkg_resources

... July 2018 Update Most people should now use pip install setuptools (possibly with sudo). Some may need to (re)install the python-setuptools package via their package manager (apt-get install, yum install, etc.). This issue can be highly dependent on your OS a...
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What does “Changes not staged for commit” mean

... may see this error when you have added a new file to your code and you're now trying to commit the code without staging(adding) it. To overcome this, you may first add the file by using git add (git add your_file_name.py) and then committing the changes (git commit -m "Rename Files" -m "Sample scr...
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Android get free size of internal/external memory

...()).getAvailableBytes(); To get a nice formatted string of what you got now, you can use: String formattedResult=android.text.format.Formatter.formatShortFileSize(this,availableSizeInBytes); or you can use this in case you wish to see exact bytes number but nicely: NumberFormat.getInstance()....
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Remove Item from ArrayList

I have an ArrayList suppose list , and it has 8 items A-H and now I want to delete 1,3,5 position Item stored in int array from the list how can I do this. ...