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What is :: (double colon) in Python when subscripting sequences?
...on, your boss wants you to select the following elements:
"But How???"... Read on! (We can do this in a 2-step approach)
Step 1 - Obtain subset
Specify the "start index" and "end index" in both row-wise and column-wise directions.
In code:
In [5]: X2 = X[2:9,3:8]
In [6]: X2
Out[6]:
array([[23, 24...
Port 80 is being used by SYSTEM (PID 4), what is that?
...NING: means that port 80 is listening to all interfaces (not used)
How to read NETSTAT -AN results:
https://sites.google.com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results
...
Microsoft Azure: How to create sub directory in a blob container
...
Can you share C# sample? blob.The name is read only property so we are not able to create a blob.Name with "/"
– ABB
Aug 8 '17 at 6:47
add a c...
Profiling Django
...ime they take. It's a really useful, powerful and easy to use tool.
Also, read recommendations about Django performance in Database access optimization from the documentation.
And Django performance tips by
Jacob Kaplan-Moss.
...
How do I loop through a date range?
...e end - I just thought I'd provide it as an example.)
This is basically a ready-rolled (and more general-purpose) form of mquander's solution.
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How to get a list of installed android applications and pick one to run
... I wanted to understand the android /play store policy about the my app reading and storing a list of all apps, and potentially communicating with a server. Is there any guidelines?
– dowjones123
Jun 30 '15 at 20:07
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How to remove the left part of a string?
...om ConfigParser import SafeConfigParser
config = SafeConfigParser()
config.read(filename) # requires section headers to be present
path = config.get(section, 'path', raw=1) # case-insensitive, no interpolation
Other options
str.split()
re.match()
...
How do I toggle an element's class in pure JavaScript?
...t least in FF) so for those looking to toggle classes on multiple elements read on :-) (I did not read on at first - thus my comment! )
– kev1807
Jun 15 at 15:05
add a commen...
Adding n hours to a date in Java?
...oes exactly what Nikita's answer does, but this is very simple and easy to read. Plus, if you already use Apache Commons / Lang... why not?
– Matt
Feb 13 '18 at 16:01
...
List of tables, db schema, dump etc using the Python sqlite3 API
... and up).
Dump one table:
db = sqlite3.connect('database.db')
table = pd.read_sql_query("SELECT * from table_name", db)
table.to_csv(table_name + '.csv', index_label='index')
Dump all tables:
import sqlite3
import pandas as pd
def to_csv():
db = sqlite3.connect('database.db')
cursor =...