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Entity Framework rollback and remove bad migration
I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
Command to remove all npm modules globally?
...modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm
Here is how it works:
npm ls -gp --depth=0 lists all global top level modules (see the cli documentation for ls)
awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' prints all modules that are not actually npm itself (does not e...
Where in a virtualenv does the custom code go?
...a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
4 Answers
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How to change colors of a Drawable in Android?
...g up from a source image. On this image, I'd like to convert all of the white pixels to a different color, say blue, and then cache the resultant Drawable object so I can use it later.
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ut for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local scope, which leads to a problem when you try to reference ...
How to rethrow the same exception in SQL Server
...orts the error message.
begin try
begin transaction;
...
commit transaction;
end try
begin catch
if @@trancount > 0 rollback transaction;
throw;
end catch
Before SQL 2012
begin try
begin transaction;
...
commit transaction;
end try
begin catch
decl...
Pushing an existing Git repository to SVN
I've been doing all my work in Git and pushing to GitHub. I've been very happy with both the software and the site, and I have no wish to change my working practices at this point.
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Difference between using Throwable and Exception in a try catch
...
By catching Throwable it includes things that subclass Error. You should generally not do that, except perhaps at the very highest "catch all" level of a thread where you want to log or otherwise handle absolutely everything that can go wrong. It ...
How to escape a JSON string to have it in a URL?
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It seems though that it encodes more characters than necessary (when I paste the link in Firefox, some characters are reverted back (i.e. {["). Is there a way to encode only the characters necessary, so that I can shorten my ...
INSERT IF NOT EXISTS ELSE UPDATE?
..." solutions for the classic "How do I insert a new record or update one if it already exists" but I cannot get any of them to work in SQLite.
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