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Why is #!/usr/bin/env bash superior to #!/bin/bash?
...bash 4) than it is for there to multiple env programs. ...Still true that knowing these differences does not lend well to beginners being able to delve in.
– Kevin
Jul 23 '19 at 15:10
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creating a random number using MYSQL
I would like to know is there a way to select randomly generated number between 100 and 500 along with a select query.
6 A...
Hide hidden(dot) files in github atom editor
...gs" button of this package and then check the "Hide Ignored Names" choice.
Now go to Edit > Preferences > Core . In the Ignored Names box enter .* this will hide all the files/folders which are usually hidden in other file explorers.
If you want to hide normal files/folders just add them to ...
How to print the full traceback without halting the program?
...ever, a best practice is to have a logger set up for your module. It will know the name of the module and be able to change levels (among other attributes, such as handlers)
import logging
logging.basicConfig(level=logging.DEBUG)
logger = logging.getLogger(__name__)
In which case, you'll want the l...
Run an Application in GDB Until an Exception Occurs
...mes catch is not the best way to debug exception handling: if you need to know exactly where an exception is raised, it is better to stop before the exception handler is called, since that way you can see the stack before any unwinding takes place. If you set a breakpoint in an exception handler ins...
UnboundLocalError on local variable when reassigned after first use
...
global c
as the first line of the function.
As for python 3, there is now
nonlocal c
that you can use to refer to the nearest enclosing function scope that has a c variable.
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Detecting an undefined object property
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Blah, thousands of votes now. This is the worst possible way to do it. I hope passers-by see this comment and decide to check… ahem… other answers.
– Ry-♦
May 14 '14 at 3:05
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Django's SuspiciousOperation Invalid HTTP_HOST header
... for the vulnerability by spoofing the header.
There is discussion right now by the Django developers to change this from a 500 internal server error to a 400 response. See this ticket.
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im...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
...r any other similar framework. I've used this approach many times and till now and found the performance satisfactory.
14 A...
How to add a new row to an empty numpy array
...ack
arr = np.array([])
arr = np.hstack((arr, np.array([1,2,3])))
# arr is now [1,2,3]
arr = np.vstack((arr, np.array([4,5,6])))
# arr is now [[1,2,3],[4,5,6]]
You also can use the np.concatenate function.
Cheers
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