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Checking if a SQL Server login already exists

... Why was it necessary to create a statement as a string and then use sp_executesql, rather than just directly entering CREATE LOGIN [@loginName] FROM ...? Pardon my ignorance, I'd like to learn... – LarsH May 8 '13 at 15:10 ...
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Why does the Scala compiler disallow overloaded methods with default arguments?

...verloaded versions) into the naming schema, e.g. in this case: def foo(a: String)(b: Int = 42) = a + b def foo(a: Int) (b: Int = 42) = a + b it would be something like: def foo$String$default$2 = 42 def foo$Int$default$2 = 42 Someone willing to write a SIP proposal? ...
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How to get error information when HttpWebRequest.GetResponse() fails

...have. Here's the code I ended up with: public static bool FileExists(string host, string username, string password, string filename) { // create FTP request FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://" + host + "/" + filename); request.Credentia...
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Check Whether a User Exists

...ly, as if already checks for the exit code. There's no need to fiddle with strings, [, $? or $(): if id "$1" &>/dev/null; then echo 'user found' else echo 'user not found' fi (no need to use -u as you're discarding the output anyway) Also, if you turn this snippet into a function or ...
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How to write string literals in python without having to escape them?

Is there a way to declare a string variable in python such that everything inside of it is automatically escaped, or has its literal character value? ...
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String.Join method that ignores empty strings?

The VB.NET method String.Join(separator, stringArray) is similar to PHP's implode, but any null elements in the array are replaced with an empty string, so thatc: ...
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JavaScript - onClick to get the ID of the clicked button

... And the value of the "id" attribute can be any string. It doesn't have to start with a letter. – Jason LeBrun Jan 28 '11 at 6:03 ...
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Is there a better way to express nested namespaces in C++ within the header

...vision isn't any longer than company_division) and don't have to define an extra namespace alias first to use it. – Kaiserludi Aug 16 '18 at 14:35 ...
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Throw HttpResponseException or return Request.CreateErrorResponse?

...esponse.ReasonPhrase = sqlException.Message.Replace(Environment.NewLine, String.Empty); return response; } else { return request.CreateResponse(HttpStatusCode.InternalServerError); } } ) ); UnhandledExce...
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iTunes Connect: How to choose a good SKU?

... But it is still called a SKU number. Defining a text string without a number, is not a number in my world ;) I hope someone else would confirm that this does not mean anything. – dhrm Jan 3 '12 at 10:59 ...