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What is middleware exactly?
...work comprising of following chief HTTP middleware components.
Exception/error handling
Static file server
Authentication
MVC
As shown in the above diagram, there are various middleware components in ASP.NET which receive the incoming request, and redirect it to a C# class (in this case a contr...
Getting Django admin url for an object
...index') and was constantly getting django.core.urlresolvers.NoReverseMatch errors.
Turns out I had the old format admin urls in my urls.py file.
I had this in my urlpatterns:
(r'^admin/(.*)', admin.site.root),
which gets the admin screens working but is the deprecated way of doing it. I needed...
Increase heap size in Java
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Define "not working". Does it not start and give you an error? Does it start but use a different heap size?
– Kevin
Oct 14 '09 at 14:50
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Change from SQLite to PostgreSQL in a fresh Rails project
...lacing gem 'sqlite3 with gem pg in the gemfile, I kept getting the sqlite3 error when pushing to Heroku master because I forgot to commit the updated gemfile. Simply doing the following solved this:
git add .
git commit -m 'heroku push'
heroku create
git push heroku master
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The property 'value' does not exist on value of type 'HTMLElement'
... For some reason, the accepted answer here was raising the following error for me: JSX element 'HTMLInputElement' has no corresponding closing tag. This is the answer that worked for me.
– NigelTufnel
Sep 26 '18 at 14:02
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Public Fields versus Automatic Properties
...ut later, if you decide you need to make this a property with some type of error checking in version 2, you don't have to change your API- no code changes, anywhere, other than the definition of the property.
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Return first N key:value pairs from dict
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I tried you code but I get this error: TypeError: 'dict_items' object is not subscriptable {key:value for key,value in stocks.items()[0:n]} (stocks is the name of my dictionary)
– Moondra
Feb 25 '17 at 19:46
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Convert Int to String in Swift
... is now (Swift 3.1) String(describing: x) the older syntax yields compiler error.
– Motti Shneor
Mar 9 '17 at 0:55
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Rails - How to use a Helper Inside a Controller
... I added 'include ApplicationHelper' to my application_controller but that errors with 'NoMethodError (undefined method `html_format' for ApplicationHelper:Module):'
– AnApprentice
Feb 26 '11 at 23:19
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How to get duplicate items from a list using LINQ? [duplicate]
...situation I need all duplicates so that I can mark them in the UI as being errors.
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