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PHP: How to use array_filter() to filter array keys?
...lter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filtered = array_filter(
$my_array,
function ($key) use ($allowed) {
return in_array($key, $allowed);
},
ARRAY_FILTER_USE_KEY
);
Clearly this isn't as elegant as ...
Creating a range of dates in Python
... datetime.datetime.today()
date_list = [base - datetime.timedelta(days=x) for x in range(numdays)]
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Renaming files in a folder to sequential numbers
I want to rename the files in a directory to sequential numbers. Based on creation date of the files.
27 Answers
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How to pass an object from one activity to another on Android
I am trying to work on sending an object of my customer class from one Activity and display it in another Activity .
3...
Web workers without a separate Javascript file?
As far as I can tell, web workers need to be written in a separate JavaScript file, and called like this:
25 Answers
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Creating instance of type without default constructor in C# using reflection
...
I originally posted this answer here, but here is a reprint since this isn't the exact same question but has the same answer:
FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I...
Java List.contains(Object with field value equal to x)
...e a loop to go through and check, but I was curious if there was anything more code efficient.
13 Answers
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Passing variables to the next middleware using next() in Express.js
...dited Sep 9 '18 at 19:01
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
answered Sep 18 '13 at 14:43
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How are ssl certificates verified?
... the client (the browser) and the browser gets the certificate's issuer information from that certificate, then uses that to contact the issuerer, and somehow compares certificates for validity.
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How to get the current date without the time?
... a DateTime using the Today property:
DateTime today = DateTime.Today;
or more generally, you can use the Date property. For example, if you wanted the UTC date you could use:
DateTime dateTime = DateTime.UtcNow.Date;
It's not very clear whether that's what you need or not though... if you'r...