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What is middleware exactly?
...lowing 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 controller class).
...
Sum a list of numbers in Python
...gt; a = range(10)
>>> sum(a)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: 'int' object is not callable
>>> del sum
>>> sum(a)
45
It seems that sum has been defined in the code somewhere and overwrites the default functio...
Getting Django admin url for an object
...erseMatch 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 to change it to this:
(r'^admin/', include(admin.site.urls) ),
...
Change from SQLite to PostgreSQL in a fresh Rails project
... -Of3 -Eutf8 f3_development
$ createdb -Of3 -Eutf8 f3_test
Update the Gemfile
gem 'sqlite3'
gem 'pg'
gem 'taps'
$ bundle
Update database.yml
#development:
# adapter: sqlite3
# database: db/development.sqlite3
# pool: 5
# timeout: 5000
development:
adapter: postgresql
encoding: unicode...
PHP 5.4 Call-time pass-by-reference - Easy fix available?
...
just use phpcs, will dig up every file that has this for you.
– Thomas Cheng
Feb 16 at 17:48
add a comment
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The property 'value' does not exist on value of type 'HTMLElement'
...
The reason is because in tsx files you cannot use the <> operators to cast, since these are used in React. So you have to use as: basarat.gitbooks.io/typescript/docs/types/…
– Powderham
Apr 1 '19 at 15:41
...
bundle install fails with SSL certificate verification error
...y solution is to
[...] use the non-ssl version of rubygems in your gemfile as a temporary workaround.
via user Ownatik
what they mean is at the top of the Gemfile in your rails application directory change
source 'https://rubygems.org'
to
source 'http://rubygems.org'
note that the second...
Can you Run Xcode in Linux?
...ot 100% correct (or up to date). Standard GCC cannot produce Mach-O object files, but Clang can. But then you still need Apple's ld to link the final binary. Darling can run the original Xcode toolchain on Linux (but not Xcode IDE).
– LubosD
Feb 18 '16 at 13:06...
Single TextView with multiple colored text
...
inside string.xml file I have created variable and set this , it's working for me just now I am doing this,
Apply CSS Style to child elements
...est' 3 times over! look into using sass or less frameworks for writing css files! :)
– gillyb
Jul 24 '14 at 11:10
@rom...