Jacob Rutherford

What does java return void mean?

Regarding the java return void, there is a difference between "This function can succeed or fail and is self-aware enough that it can tell the difference" and "There is no feedback about the effect of this function." Without void, you'd endlessly check success codes and believe that you are writing robust software,…

Java

Answered Oct 6, 2022 · 1.6K Views Read answer →

Why readonly property of lightning: input not working?

You may use attribute disabled instead of input readonly. Here's an example with lightning:input [checkbox] and lightning:select: Checkboxes choose one... one two HTML docs say that readonly does not work for checkbox and that select does not have a readonly attribute. Doc for select: SELECT ... does not have a…

Salesforce

Answered Aug 17, 2021 · 4.2K Views Read answer →

How to rename Docker images without rebuilding them

You can rename your docker image by docker tag command. Use the below given command to do that. $ docker tag OldName:tag NewName:tagOr another way to rename docker containerTo rename docker container, use the rename sub-command as shown, in the following example, we renaming the container discourse_app to a new name…

Devops

Answered Jul 27, 2021 · 117.0K Views Read answer →

What is aloha app and what is process to make app as aloha

I believe the terminology has changed from aloha apps to ISV apps. Initially, the main advantage was that installed ahomanaged packages.la apps didn't count towards various org limits and could work with Group and Professional editions of Salesforce. In a previous Salesforce release at least some of the advantages…

AWS

Answered Jul 19, 2021 · 2.3K Views Read answer →

Uninstall Django completely

Try pip search command does not show installed packages, but search packages in pypi if you have uninstalled django. Use pip freeze command and grep to see installed packages: pip freeze | grep Django

Data Science

Answered May 10, 2021 · 2.0K Views Read answer →

Most elegant way to check if the string is empty in Python?

In Boolean context, sequences are evaluated either as FALSE or TRUE and empty strings are considered as false. To solve the error “python string is empty” you can simply check if the string is false using: if not mystring: You can also use the strip() method: if myString.strip(): print("not an empty string") else:…

Python

Answered Mar 9, 2021 · 1.3K Views Read answer →

How to convert rows data to columns if the input data is separated by some separator (,;/#< etc)?

We can create a multi-line table valued function which will return a table on passing to parameter in input (one will be the string which needs to be converted to string and other will be the separator which the string is separated. Below is the code for the same: CREATE FUNCTION [DBO].SPLIT_DELIMITED_STRING…

SQL Server

Answered Nov 5, 2019 · 1.3K Views Read answer →