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An item with the same key has already been added
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In C#, say, if you have variable1 and Variable1 (it'll throw the error). Also, check to make sure there's no similar edmx names (table column has "CURRENCY", one of Navigation Properties name had "Currency")
– Robert Koch
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LINQ to Entities case sensitive comparison
...our SQL Server which by default has SQL_Latin1_General_CP1_CI_AS Collation and that is NOT case sensitive.
Using ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery:
string sqlQuery = ((ObjectQuery)context.Thingies
.Wher...
How to take screenshot with Selenium WebDriver
...er than renaming it, is a good idea if there is any chance that the source and destination might not be on the same filesystem. You can't rename across filesystem boundaries (on unix, at least). Note that it's common for /tmp to be on its own filesystem, and FirefoxDriver writes screenshots to /tmp....
Microsoft Azure: How to create sub directory in a blob container
...o add on to what Egon said, simply create your blob called "folder/1.txt", and it will work. No need to create a directory.
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Passing a Bundle on startActivity()?
... value = getIntent().getExtras().getString(key)
NOTE: Bundles have "get" and "put" methods for all the primitive types, Parcelables, and Serializables. I just used Strings for demonstrational purposes.
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Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...ase of an object that may have nil properties while it's being constructed and configured, but is immutable and non-nil afterwards (NSImage is often treated this way, though in its case it's still useful to mutate sometimes). Implicitly unwrapped optionals would clean up its code a good deal, with r...
How to copy directories in OS X 10.7.3?
...cp -R <sourcedir>/ <destdir>
The above only copies the files and their directories inside of sourcedir. Typically, you want to include the directory you're copying, so drop the trailing slash:
cp -R <sourcedir> <destdir>
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Download file from an ASP.NET Web API method using AngularJS
...ve the browser download the requested file simply by using the code below, and this is supported in all browsers, and will obviously trigger the WebApi request just the same.
$scope.downloadFile = function(downloadPath) {
window.open(downloadPath, '_blank', '');
}
Ajax binary download meth...
Insert picture/table in R Markdown [closed]
So I want to insert a table AND a picture into R Markdown. In regular word document I can just easily insert a table (5 rows by 2 columns), and for the picture just copy and paste.
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How to get the function name from within that function?
...str(0, ret.indexOf('('));
return ret;
}
Using Function.caller is non-standard. Function.caller and arguments.callee are both forbidden in strict mode.
Edit: nus's regex based answer below achieves the same thing, but has better performance!
In ES6, you can just use myFunction.name.
Note: Bewa...