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Why are these constructs using pre and post-increment undefined behavior?
...havior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i.e. requiring that all implementations handle integer ...
How to use Global Variables in C#?
How do I declare a variable so that every class (*.cs) can access its content, without an instance reference?
4 Answers
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Deleting a file in VBA
...an
FileExists = (Dir(FileToTest) <> "")
End Function
I'll leave it to you to figure out the various error handling needed but these are among the error handling things I'd be considering:
Check for an empty string being passed.
Check for a string containing characters illegal in a file ...
Convert datetime to Unix timestamp and convert it back in python
...are" objects.
If your original naive datetime was UTC, the way to recover it is to use utcfromtimestamp instead of fromtimestamp.
On the other hand, if your original naive datetime was local, you shouldn't have subtracted a UTC timestamp from it in the first place; use datetime.fromtimestamp(0) in...
What would a “frozen dict” be?
I guess it could be something like collections.namedtuple , but that is more like a frozen-keys dict (a half-frozen dict). Isn't it?
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Child with max-height: 100% overflows parent
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When you specify a percentage for max-height on a child, it is a percentage of the parent's actual height, not the parent's max-height, oddly enough. The same applies to max-width.
So, when you don't specify an explicit height on the parent, then there's no base height for the chi...
Is JavaScript supported in an email message?
... to have supported some sort of JavaScript execution. Nothing else does.
It seems like a bad idea security-wise, so I would expect this to be a feature that won't always be around, even in these clients.
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Simplest way to profile a PHP script
... dated 2004, the extension is no longer maintained and has various compability issues (see comments).
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Optimal settings for exporting SVGs for the web from Illustrator?
I'm looking to use an SVG logo for a website — to make it look great on a responsive design for all devices.
2 Answers
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Should “node_modules” folder be included in the git repository
...ions (especially enterprise applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will concentrate on arguments for them.
Imagine that you have just finished enterprise ...