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How to get the error message from the error code returned by GetLastError()?

... //Returns the last Win32 error, in string format. Returns an empty string if there is no error. std::string GetLastErrorAsString() { //Get the error message, if any. DWORD errorMessageID = ::GetLastError(); if(errorMessageID == 0) return st...
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How to generate string of a certain length to insert into a file to meet a file size criteria?

...nd how many files to generate. What I need help with is how to generate a string less than or equal to the required file size. ...
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String.IsNullOrWhiteSpace in LINQ Expression

... You need to replace !string.IsNullOrWhiteSpace(b.Diameter) with !(b.Diameter == null || b.Diameter.Trim() == string.Empty) For Linq to Entities this gets translated into: DECLARE @p0 VarChar(1000) = '' ... WHERE NOT (([t0].[Diameter] IS NUL...
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Ignoring a class property in Entity Framework 4.1 Code First

...public class Customer { public int CustomerID { set; get; } public string FirstName { set; get; } public string LastName{ set; get; } [NotMapped] public int Age { set; get; } } [NotMapped] attribute is included in the System.ComponentModel.DataAnnotations namespace. You can al...
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Fastest way to remove first char in a String

Say we have the following string 4 Answers 4 ...
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How to un-escape a backslash-escaped string?

Suppose I have a string which is a backslash-escaped version of another string. Is there an easy way, in Python, to unescape the string? I could, for example, do: ...
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How to convert a Title to a URL slug in jQuery?

...ield').val()) original by: http://dense13.com/blog/2009/05/03/converting-string-to-slug-javascript/ EDIT: extended for more language specific chars: var from = "ÁÄÂÀÃÅČÇĆĎÉĚËÈÊẼĔȆĞÍÌÎÏİŇÑÓÖÒÔÕØŘŔŠŞŤÚŮÜÙÛÝŸŽáäâàãåčçćďéěëèêẽĕȇğí...
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Python - write() versus writelines() and concatenated strings

... writelines expects an iterable of strings write expects a single string. line1 + "\n" + line2 merges those strings together into a single string before passing it to write. Note that if you have many lines, you may want to use "\n".join(list_of_lines). ...
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Authorize Attribute with Multiple Roles

...Attribute : AuthorizeAttribute { public AuthorizeRolesAttribute(params string[] roles) : base() { Roles = string.Join(",", roles); } } Assuming your roles will be the same for multiple controllers, create a helper class: public static class Role { public const string Admin...
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Generate random password string with requirements in javascript

I want to generate a random string that has to have 5 letters from a-z and 3 numbers. 18 Answers ...