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How to expand/collapse a diff sections in Vimdiff?
...ly use frequently when diffing the following:
:diffupdate :diffu -> recalculate the diff, useful when after making several changes vim's isn't showing minimal changes anymore. Note that it only works if the files have been modified inside vimdiff. Otherwise, use:
:e to reload the files if they...
Getting exact error type in from DbValidationException
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While you are in debug mode within the catch {...} block open up the "QuickWatch" window (ctrl+alt+q) and paste in there:
((System.Data.Entity.Validation.DbEntityValidationException)ex).EntityValidationErrors
This will allow you to drill down into the Validatio...
Add column with number of days between dates in DataFrame pandas
...ssuming these were datetime columns (if they're not apply to_datetime) you can just subtract them:
df['A'] = pd.to_datetime(df['A'])
df['B'] = pd.to_datetime(df['B'])
In [11]: df.dtypes # if already datetime64 you don't need to use to_datetime
Out[11]:
A datetime64[ns]
B datetime64[ns]
dtyp...
What is ApplicationException for in .NET?
...xception . However, sometimes I need to use a custom exception and in that case I write:
3 Answers
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JavaScript - Get Portion of URL Path
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There is a property of the built-in window.location object that will provide that for the current window.
// If URL is http://www.somedomain.com/account/search?filter=a#top
window.location.pathname // /account/search
// For reference:
window.location.host // www....
Why is document.body null in my javascript?
...l elements before you execute javascript that uses these elements. In this case you have some javascript in the head section that uses body. Not cool.
You want to wrap this code in a window.onload handler or place it after the <body> tag (as mentioned by e-bacho 2.0).
<head>
<ti...
iTextSharp - Sending in-memory pdf in an email attachment
... doing wrong in my code. I run the code above from a ASP.Net page and get "Cannot Access a Closed Stream".
5 Answers
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What is the difference (if any) between Html.Partial(view, model) and Html.RenderPartial(view,model)
Other than the type it returns and the fact that you call it differently of course
2 Answers
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How to redirect stderr and stdout to different files in the same line in script?
...gt; output if you do not want to append.
Just for completion's sake, you can write 1> as just > since the default file descriptor is the output. so 1> and > is the same thing.
So, command 2> error 1> output becomes, command 2> error > output
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Difference between namespace in C# and package in Java
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From: http://www.javacamp.org/javavscsharp/namespace.html
Java
Packages are used to organize files or public types to avoid type conflicts. Package constructs can be mapped to a file system.
system.security.cryptography.AsymmetricAlgorithm a...