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How to create a .gitignore file
...siest way to create the .gitignore file in Windows Explorer is to create a new file named .gitignore..
This will skip the validation of having a file extension, since is actually has an empty file extension.
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What is the equivalent of the C# 'var' keyword in Java?
...e it's possible to have Types that have no name in .NET. Eg:
var myData = new { a = 1, b = "2" };
In this case, it would be impossible to give a proper type to myData. 6 years ago, this was impossible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know i...
What is the Windows equivalent of the diff command?
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@AndriyM So, new files would cause FC to error out without returning any actual lines? Only the error message?
– Wolfpack'08
Jan 19 '14 at 22:22
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
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EDIT: New answer that works in any orientation.
The original answer only works when the interface is in portrait orientation. This is b/c view transition animations that replace a view w/ a different view must occur with views at l...
SVN best-practices - working in a team
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Encourage frequent commits. Teammates new to version control may feel like they need to keep the code out of the repository until "it works right". Teach everyone to commit early and often to find issues as soon as possible. Instead of holding code 'till it wor...
Setting up a JavaScript variable from Spring model by using Thymeleaf
...faultanyvalue will only be used when running the page statically, i.e. outside a web container. If ran inside a container and the variable message hasn't been declared the resulting source code will be var message = null;
– Felipe Leão
May 10 '17 at 17:51
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Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...s[1:3]),
z=c(1,2,3,3,3,2))
Using the tidyverse:
The new cool new way to do this is with pivot_wider from tidyr 1.0.0. It returns a data frame, which is probably what most readers of this answer will want. For a heatmap, though, you would need to convert this to a true matrix.
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Entity Framework - Include Multiple Levels of Properties
...get the version of Include that takes in a lambda.
For EF Core
Use the new method ThenInclude
query.Include(x => x.Collection)
.ThenInclude(x => x.Property);
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How to avoid the “divide by zero” error in SQL?
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In order to avoid a "Division by zero" error we have programmed it like this:
Select Case when divisor=0 then null
Else dividend / divisor
End ,,,
But here is a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now ...
Symbolic links and synced folders in Vagrant
I want to use Vagrant to provide a common development environment to my team. The hosts are completely different:
6 Answers...