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QUESTION
I just started working on lua scripting since a week. I have a lua file where in the logic needs to be written for a certain condition.
The condition when gets triggered it does an iteration on one of the fields to change value from (ABC123-XYZ) to this value (ABC123#1-XYZ) and it keeps increasing whenever iterations happens (ABC123#2-XYZ)
I need to run a function that removes the # followed by number to change it back to (ABC123-XYZ). Looking for any advice!
Edit 1: Below is the updated code that is written Thanks to @Piglet
I have another scenario if therr are two hashes in the variable.
...ANSWER
Answered 2021-Mar-22 at 14:11local a = "ABC123#1-XYZ"
local b = a:gsub("#%d+", "")
QUESTION
In the following script, I declare and modify @basearray
in the main program. Inside the dosomething
subroutine, I access @basearray
, assign it to an array local to the script, and modify the local copy. Because I have been careful to change the value only of local variables inside the subroutine, @basearray
is not changed.
If I had made the mistake of assigning a value to @basearray
inside the subroutine, though, it would have been changed and that value would have persisted after the call to the subroutine.
This is demonstrated in the 2nd subroutine, doagain
.
Also, doagain
receives the reference \@basearray
as an argument rather than accessing @basearray
directly. But going to that additional trouble provides no additional safety. Why do it that way at all?
Is there a way to guarantee that I cannot inadvertently change @basearray
inside any subroutine? Any kind of hard safety device that I can build into my code, analogous to use strict;
, some combination perhaps of my
and local
?
Am I correct in thinking that the answer is No, and that the only solution is to not make careless programmer errors?
...ANSWER
Answered 2020-Sep-18 at 19:11There are several solutions with various levels of pithiness from "just don't change it" to "use an object or tied array and lock down the update functions". An intermediate solution, not unlike using an object with a getter method, is to define a function that returns your array but can only operate as an rvalue, and to use that function inside subroutines.
QUESTION
First of all, I am very new to both R and stackoverflow so I apologize for any formatting issues. I am trying to plot many individuals separately, but when I use facet_wrap
, there are too many plots, so they are all very small and impossible to see. I switched to facet_wrap_paginate
and the plots are almost perfect... except the x axis label is missing!
My code (using ggplot2 and ggforce):
...ANSWER
Answered 2020-Aug-25 at 04:57The issue is that you use scale_x_discrete
for continuous or numeric data. Simply switch to scale_x_continuous
and the x-axis and labels will show up:
QUESTION
dic1 = {}
class Piglet:
pass
def __init__(self,name,age):
self.name = name
self.age = age
def speak_or_not(self):
if self.age>2:
return True
else:
return False
def speak_dic(self):
global dic1
dic1[self.name] = speak_or_not()
pig1 = Piglet("Shaun",3)
pig1.speak_dic()
print(dic1)
...ANSWER
Answered 2020-Jul-07 at 18:22The code is not correct. In the speak_dic function, you are calling speak_or_not, which does not exist. Instead, you need to call self.speak_or_not.
Attaching the corrected code below.
QUESTION
I'm creating a simple carousel with HTML and JS. I have it mostly how I want it to look now, unfortunately there are a few issues:
Running The Snippet:
1) I want the caption to be in the space below the image, not on it. I've done what I can with CSS based on my minor skills and can't figure it out.
2) Also, I want the pictures resized and centred so the fit into the carousel, instead of most of it being cropped out.
Carousel Juts Out
1) I've made the website responsive, and the container has style="text-align:center;text-align: justify;"
. However if you look at the image below, in some cases when the browser window is minimised,the carousel juts out. How do I resolve this?
ANSWER
Answered 2020-Jun-02 at 07:00You don't have to do much just make some changes in class of caption carousel. Try copy and pasting to see if it works. No additional changes in css.
QUESTION
I can't make a simple Django project work at all. I get the same error as listed in this question which I found:
Python/Django =- ModuleNotFoundError: No module named 'restaurants'
The only difference for me is that it says "No module named entries". This doesn't seem to have a resolution and I don't understand the comment on it either.
My directory structure is like this:
...ANSWER
Answered 2017-Nov-18 at 04:08It looks like your entries directory is in the wrong place. You should move it up one level, so it's app/entries
instead of app/app/entries
.
(You are correct that 'entries.apps.EntriesConfig' is a valid way to add to INSTALLED_APPS.)
QUESTION
How can one split a column like df.value
ANSWER
Answered 2020-Apr-02 at 22:00.str.split()
's expand=True
is your friend here!
QUESTION
I have 2 tables, First table is user and second table is user_attendance.
In the user attendance I'm inserting IN and OUT per line, so 1 line for IN and 1 line for OUT.
I want a MySQL select(so I don't have to do it on Php) which will loop for every ID in users and get the last OUT and first IN of that user in user table.
I tried doing it on Php by selecting first all the ID in user and looping it Via php and Select the 1st in and Last out of that Id in attendance. Like so.
...ANSWER
Answered 2019-Oct-22 at 04:58Here's the refactored sql
query.
first is to get your users table
second is the join the IN
time
third is to join the OUT
time
fourth is get the max()
and min()
time of user id then group by a.user_id.
QUESTION
hope this hasn't been answered before, looked around and couldn't find it. Was wondering how to to access a specific class object based on a users input. Sort of in a similar way that you would access the value of a specific index of an array based on the user's input and going to that index.
I'm not entirely sure what I would do seeing as there isn't an accessible integer like there is in an array. Relatively new to programming so sorry if something I have said doesn't make sense.
...ANSWER
Answered 2019-Jun-21 at 00:10This is one way of doing it:
QUESTION
I'm trying to access a website from an Android application with WebView library, so I have:
...ANSWER
Answered 2018-Feb-15 at 03:33If you do not upload your app to the Play Store, you can just ignore SSL certificate errors:
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