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Replace a value if null or undefined in JavaScript
I have a requirement to apply the ?? C# operator to JavaScript and I don't know how.
Consider this in C#:
5 Answers
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Animate scroll to ID on page load
...e the scroll to a particular ID on page load. I have done lots of research and came across this:
6 Answers
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How to filter files when using scp to copy dir recursively?
... probably recommend using something like rsync for this due to its include and exclude flags, e.g:-
rsync -rav -e ssh --include '*/' --include='*.class' --exclude='*' \
server:/usr/some/unknown/number/of/sub/folders/ \
/usr/project/backup/some/unknown/number/of/sub/folders/
Some other useful fla...
Windows equivalent to UNIX pwd
How do I find the local path on windows in a command prompt?
10 Answers
10
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NodeJS: Saving a base64-encoded image to disk
...e64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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Custom Compiler Warnings
... compiler warnings telling you that the object/method/property is obsolete and somthing else should be used. I'm currently working on a project that requires a lot of refactoring an ex-employees code. I want to write a custom attribute that I can use to mark methods or properties that will generate ...
Multiline syntax for piping a heredoc; is this portable?
...
Yes, the POSIX standard allows this. According to the 2008 version:
The here-document shall be treated as a single word that begins after
the next <newline> and continues until there is a line containing only
the delimiter and ...
Why is the default value of the string type null instead of an empty string?
...pe null instead of an empty
string?
Because string is a reference type and the default value for all reference types is null.
It's quite annoying to test all my strings for null before I can
safely apply methods like ToUpper(), StartWith() etc...
That is consistent with the behaviour of...
How to git reset --hard a subdirectory?
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With Git 2.23 (August 2019), you have the new command git restore
git restore --source=HEAD --staged --worktree -- aDirectory
# or, shorter
git restore -s@ -SW -- aDirectory
That would replace both the index and working tree with HEAD content, like an reset --hard would,...
Why does z-index not work?
So if I understand z-index correctly, it would be perfect in this situation:
4 Answers
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