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Purpose of Django setting ‘SECRET_KEY’
... 'django.contrib.messages' + settings.SECRET_KEY
contrib/sessions/backends/base.py:89: pickled_md5 = md5_constructor(pickled + settings.SECRET_KEY).hexdigest()
contrib/sessions/backends/base.py:95: if md5_constructor(pickled + settings.SECRET_KEY).hexdigest() != tamper_check:
contrib/s...
How to define a reply-to address?
...
Two ways:
class Notifications < ActionMailer::Base
default :from => 'your_app@your_domain.com',
:reply_to => 'some_other_address@your_domain.com'
end
Or:
class Contacts < ActionMailer::Base
def new_contact
mail( :to => 'somebody...
Using awk to print all columns from the nth to the last
...
Based on this: stackoverflow.com/a/39217130/8852408, is probable that this solution isn't very efficient.
– FcknGioconda
Jul 19 '18 at 3:32
...
How do you represent a graph in Haskell?
...anging or editing the graph frequently, I recommend using a representation based on Huet's zipper. This is the representation used internally in GHC for control-flow graphs. You can read about it here:
An Applicative Control-Flow Graph based on Huet's Zipper
Hoopl: A Modular, Reusable Library fo...
Best Practices for securing a REST API / web service [closed]
...re somewhat higher than with plaintext and no intermediate (read here edge based) caching servers can participate in the caching of repeatedly accessed content. Beware, your scalability may suffer if you absolutely require the encryption offered.
– Norman H
Ja...
How to get current location in Android [duplicate]
...at you have added the permission on the Manifest,
For using only network based location use this one
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
For GPS based location, this one
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>...
What does [ N … M ] mean in C aggregate initializers?
...
It is initialization using Designated Initializers.
The range based initialization is a gnu gcc extension.
To initialize a range of elements to the same value, write [first ... last] = value. This is a GNU extension. For example,
int widths[] = { [0 ... 9] = 1, [10 ... 99] ...
How to determine a Python variable's type?
...ring for the type.
e.g.
In [9]: var = 123
In [10]: var?
Type: int
Base Class: <type 'int'>
String Form: 123
Namespace: Interactive
Docstring:
int(x[, base]) -> integer
Convert a string or number to an integer, if possible. A floating point argument will be truncated towa...
Efficiently updating database using SQLAlchemy ORM
...on. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session.
So if you say
for c in session.query(Stuff).all():
c.foo = c.fo...
Using an RDBMS as event sourcing storage
...very modification of your model would result in having to migrate your database (just as in good old-fashioned state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all.
Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (...