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__getattr__ on a module
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A while ago, Guido declared that all special method lookups on
new-style classes bypass __getattr__ and __getattribute__. Dunder methods had previously worked on modules - you could, for example, use a module as a context manager simply by defining __enter__...
how to log in to mysql and query the database from linux terminal
...ice command:
service mysqld stop
Other distros require to call the init script directly:
/etc/init.d/mysqld stop
3. How I start the mysql server from linux terminal?
Same as #2, but with start.
4. How do I get mysql prompt in linux terminal?
Same as #1.
5. How do I login to mysql server fr...
Difference between a theta join, equijoin and natural join
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A theta join allows for arbitrary comparison relationships (such as ≥).
An equijoin is a theta join using the equality operator.
A natural join is an equijoin on attributes that have the same name in each relationship.
Additionally,...
TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
...ldly at 5 letters per word, I've rounded down from 11 bytes per word.
CJK scripts (Hanzi, Kanji, Hiragana, Katakana, etc) I know nothing of; I believe characters mostly require 3 bytes in UTF-8, and (with massive simplification) they might be considered to use around 2 characters per word, so they ...
How to spread django unit tests over multiple files?
... you run your tests, the default behavior of the test utility is
to find all the test cases (that is, subclasses of unittest.TestCase)
in any file whose name begins with test, automatically build a test
suite out of those test cases, and run that suite.
From Django 1.6 documentation,
Tes...
Is there any way to prevent input type=“number” getting negative values?
...esponds to 0 through 9 on the Number Row; and 8 is
Backspace.
So this script is preventing invalid key from being entered in input.
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PostgreSQL disable more output
I am running a script on my PostgreSQL server:
6 Answers
6
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Explain which gitignore rule is ignoring my file
...git status its use case is unlikely to cause any user confusion.
Test scripts are augmented to check this option against the standard ignores to ensure correct behaviour.
--no-index::
Don't look in the index when undertaking the checks.
This can be used:
to debug why a path b...
Does uninstalling a package with “pip” also remove the dependent packages?
...luding ones installed from system packages. For example, on my system this script eventually failed because the target package had dependencies in common with pip, so pip uninstalled its own dependencies before the script could finish, and then failed.
– sinisterstuf
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Print all properties of a Python Class [duplicate]
...rint for example in order of declaration, and you do not want to do it manually, check this
– Matteo A
Aug 14 '15 at 8:41
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