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Remove a prefix from a string [duplicate]
...t.startswith(prefix):
return text[len(prefix):]
return text # or whatever
As noted by @Boris and @Stefan, on Python 3.9+ you can use
text.removeprefix(prefix)
with the same behavior.
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Getting associated type synonyms with template Haskell
Can Template Haskell find out the names and/or the declarations of the associated type synonyms declared in a type class? I expected reify would do what I want, but it doesn't seem to provide all the necessary information. It works for getting function type signatures:
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Javascript/jQuery detect if input is focused [duplicate]
...script:
this === document.activeElement // where 'this' is a dom object
or with jquery's :focus pseudo selector.
$(this).is(':focus');
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What does -z mean in Bash? [duplicate]
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Is -n redundant with the default behavior of if [ $2 ] or are there some differences?
– bbarker
Jan 18 '19 at 18:32
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How to copy JavaScript object to new variable NOT by reference? [duplicate]
... I pass a small JSON object to a new variable and modify the data from the original variable (not the new variable), but the new variable's data gets updated as well. This must mean that the JSON object was passed by reference, right?
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Missing Javascript “.map” file for Underscore.js when loading ASP.NET web page [duplicate]
... page that is part of a ASP.NET web site running on Azure. It's run fine for quite a while now. Out of the blue, I am suddenly having a problem with the browser trying to download a ".map" for Underscore.js. I did some reading and apparently JQuery creates ".map" files as debugging aids for Javas...
How can I get the current date and time in the terminal and set a custom command in the terminal for
...omise the output there are a myriad of options available, see date --help for a list.
For example, date '+%A %W %Y %X' gives Tuesday 34 2013 08:04:22 which is the name of the day of the week, the week number, the year and the time.
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What does the -u flag mean in git push -u origin master? [closed]
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The -u option does the following:
For every branch that is up to date or successfully pushed, add upstream (tracking) reference, used by argument-less git-pull and other commands.
So, after pushing your local branch with -u option, this local branch will be a...
Angular.js vs Knockout.js vs Backbone.js [closed]
I am considering to use either Knockout or Angular or Backbone for my personal project. I need to build some bigger, longer-running client-side interactions to go with my server-side stuff.
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Docker, mount volumes as readonly
I am working with Docker, and I want to mount a dynamic folder that changes a lot (so I would not have to make a Docker image for each execution, which would be too costly), but I want that folder to be read-only. Changing the folder owner to someone else works. However, chown requires root acce...