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demystify Flask app.secret_key
... tampering by attackers) requires the secret key to be set. For just Flask itself, that 'anything' is the Session object, but other extensions can make use of the same secret.
secret_key is merely the value set for the SECRET_KEY configuration key, or you can set it directly.
The Sessions section ...
What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...mon beginner mistake is when you try to use a class property "statically" without making an instance of that class. It leaves you with the mentioned error message:
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Global Git ignore
I want to set up Git to globally ignore certain files.
12 Answers
12
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Generate pdf from HTML in div using Javascript
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jsPDF is able to use plugins. In order to enable it to print HTML, you have to include certain plugins and therefore have to do the following:
Go to https://github.com/MrRio/jsPDF and download the latest Version.
Include the following Scripts in your project:
jspdf.js
j...
Jade: Links inside a paragraph
I'm trying to author a few paragraphs with Jade, but finding it difficult when there are links inside a paragraph.
13 Answ...
How to check if a string in Python is in ASCII?
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It's not inefficient. all() will short-circuit and return False as soon as it encounters an invalid byte.
– John Millikin
Oct 13 '08 at 20:03
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Should methods that throw RuntimeException indicate it in method signature?
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I would not declare an unchecked exception in the signature, since it is misleading to the user of that API. It is no longer obvious whether the exception has to be explicitly handled.
Declaring it in the javadoc is a better approach since it allows someone to handle it if they think it is...
Difference between Hive internal tables and external tables?
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Hive has a relational database on the master node it uses to keep track of state.
For instance, when you CREATE TABLE FOO(foo string) LOCATION 'hdfs://tmp/';, this table schema is stored in the database.
If you have a partitioned table, the partitions are stored in the data...
Hibernate openSession() vs getCurrentSession()
...ion() always opens a new session that you have to close once you are done with the operations. SessionFactory.getCurrentSession() returns a session bound to a context - you don't need to close this.
If you are using Spring or EJBs to manage transactions you can configure them to open / close sessio...
How to search and replace text in a file?
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fileinput already supports inplace editing. It redirects stdout to the file in this case:
#!/usr/bin/env python3
import fileinput
with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
for line in file:
print(line.replace(text_to_...