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MongoDB vs. Cassandra [closed]
...sandra: they are not using Cassandra for persisting tweets, they use still MySQL here (engineering.twitter.com/2010/07/cassandra-at-twitter-today.html). Ok, but I can imagine that they still store lots of data for other purposes in Cassandra.
– H6.
Jan 13 '12 a...
How do I disable “missing docstring” warnings at a file-level in Pylint?
...
I think the fix is relative easy without disabling this feature.
def kos_root():
"""Return the pathname of the KOS root directory."""
global _kos_root
if _kos_root: return _kos_root
All you need to do is add the triple double quotes string in every function.
...
What is maximum query size for mysql?
What is maximum query size for mysql? Some times the server stops working when I fire a too long query.
2 Answers
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FIND_IN_SET() vs IN()
...ould even use an index on companyID.
Unfortunately, this does not work in MySQL since the latter does not support arrays.
You may find this article interesting (see #2):
10 things in MySQL (that won’t work as expected)
Update:
If there is some reasonable limit on the number of values in the...
How to delete a certain row from mysql table with same column values?
I have a problem with my queries in MySQL. My table has 4 columns and it looks something like this:
6 Answers
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Importing modules from parent folder
... ├── __init__.py
└── life.py
I call the . the root folder, and in my case it is located in C:\tmp\test_imports.
Steps
1) Add a setup.py to the root folder
The contents of the setup.py can be simply
from setuptools import setup, find_packages
setup(name='myproject', ...
Select last N rows from MySQL
I want to select last 50 rows from MySQL database within column named id which is primary key . Goal is that the rows should be sorted by id in ASC order, that’s why this query isn’t working
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How add context menu item to Windows Explorer for folders [closed]
...ws Explorer or on background of a directory in right panel:
HKEY_CLASSES_ROOT\Directory\Background\shell if you are administrator
HKEY_CURRENT_USER\Software\Classes\directory\Background\shell if you are a normal user
Context menu for right click on folders in right panel of Windows Explorer:
H...
How to determine if binary tree is balanced?
... of a tree (where the minimum height is the least number of steps from the root to a leaf, and the maximum is... well, you get the picture). Given that, we can define balance to be:
A tree where the maximum height of any branch is no more than one more than the minimum height of any branch.
(T...
PDO mysql: How to know if insert was successful
I'm using PDO to insert a record (mysql and php)
7 Answers
7
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