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Html helper for

... 3. Model: (Note that FileExtensionsAttribute is available in MvcFutures. It will validate file extensions client side and server side.) public class ViewModel { [Required, Microsoft.Web.Mvc.FileExtensions(Extensions = "csv", ErrorMessage = "Specify a CSV file. (Comma-separated v...
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How can I format a nullable DateTime with ToString()?

... Console.WriteLine(dt2 != null ? dt2.Value.ToString("yyyy-MM-dd hh:mm:ss") : "n/a"); EDIT: As stated in other comments, check that there is a non-null value. Update: as recommended in the comments, extension method: public static ...
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Change default app.config at runtime

... The hack in the linked question works if it is used before the configuration system is used the first time. After that, it doesn't work any more. The reason: There exists a class ClientConfigPaths that caches the paths. So, even after changing the path with SetData,...
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How to exit a function in bash

How would you exit out of a function if a condition is true without killing the whole script, just return back to before you called the function. ...
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AngularJS disable partial caching on dev machine

I have problem with caching partials in AngularJS. 13 Answers 13 ...
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How can I have a newline in a string in sh?

...the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded as follows: \a alert (bell) \b backspace \e ...
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Rename Pandas DataFrame Index

I've a csv file without header, with a DateTime index. I want to rename the index and column name, but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0 ...
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insert a NOT NULL column to an existing table

... As an option you can initially create Null-able column, then update your table column with valid not null values and finally ALTER column to set NOT NULL constraint: ALTER TABLE MY_TABLE ADD STAGE INT NULL GO UPDATE MY_TABLE SET <a valid not nu...
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How to rename a table in SQL Server?

...follow | edited Jul 28 '17 at 7:40 Kolappan N 1,83322 gold badges2323 silver badges2727 bronze badges ...
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How do I get the last day of a month?

...in our source that creates the DateTime from the lastDayOfMonth. Honestly either way works perfectly well. It's a pedantic argument which way is better. I've done it both ways and both yield the same answer. – Mark Mar 22 '10 at 15:02 ...