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What's the difference between lists enclosed by square brackets and parentheses in Python?
Are they both valid? Is one preferred for some reason?
6 Answers
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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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Java: PrintStream to String?
I have a function that takes an object of a certain type, and a PrintStream to which to print, and outputs a representation of that object. How can I capture this function's output in a String? Specifically, I want to use it as in a toString method.
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Calling a class function inside of __init__
I'm writing some code that takes a filename, opens the file, and parses out some data. I'd like to do this in a class. The following code works:
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The backend version is not supported to design database diagrams or tables
I'm trying to add a table to my newly created database through SQL Server Management Studio.
However I get the error:
4 Ans...
Regex empty string or email
I found a lot of Regex email validation in SO but I did not find any that will accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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How can I use Bash syntax in Makefile targets?
I often find Bash syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) .
6 Answ...
Loop through properties in JavaScript object with Lodash
Is it possible to loop through the properties in a JavaScript object? For instance, I have a JavaScript object defined as this:
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How to tell which colorscheme a Vim session currently uses
You can set the Vim color scheme by issuing
3 Answers
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What does the filter parameter to createScaledBitmap do?
The declaration of android.graphics.Bitmap.createScaledBitmap is
4 Answers
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