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Creating a expressjs middleware that accepts parameters
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Alternatively if you do not have too many cases or if role is NOT a string:
function HasRole(role) {
return function (req, res, next) {
if (role !== req.user.role) res.redirect(/* ... */);
else next();
}
}
var middlware_hasRoleAdmin = HasRole('admin'); // define router only once...
How do I create a datetime in Python from milliseconds?
...time_in_millis / 1000.0, tz=datetime.timezone.utc)
Converting datetime to string following the RFC3339 standard (used by Open API specification):
from rfc3339 import rfc3339
converted_to_str = rfc3339(dt, utc=True, use_system_timezone=False)
# 2020-08-04T11:58:05Z
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Using Moq to mock an asynchronous method for a unit test
...anger
.Setup(x => x.GetCredentialsAsync(It.IsAny<string>()))
.ReturnsAsync(new Credentials() { .. .. .. });
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How do I check the operating system in Python?
...om the docs it states that it will return Linux, Windows, Java or an empty string.devdocs.io/python~3.7/library/platform#platform.system
– Brandon Benefield
Sep 5 '18 at 4:18
3
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Check a collection size with JSTL
...urns the number of items in a collection, or the number of characters in a string.
Put this at the top of JSP page to allow the fn namespace:
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
Or if you're using JSPX or Facelets:
<... xmlns:fn="http://java.sun.com/jsp/...
How to get the date from jQuery UI datepicker
...er").datepicker({
onSelect: function(dateText, inst) {
var dateAsString = dateText; //the first parameter of this function
var dateAsObject = $(this).datepicker( 'getDate' ); //the getDate method
}
});
The first parameter is in this case the selected Date as String. Use parseDat...
MySQL: how to get the difference between two timestamps in seconds
...unction returns the internal timestamp value directly, with no implicit “string-to-Unix-timestamp” conversion.
Keep in mind that TIMEDIFF() return data type of TIME. TIME values may range from '-838:59:59' to '838:59:59' (roughly 34.96 days)
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How can I find out a file's MIME type (Content-Type)?
...and with -i option.
-i option Causes the file command to output mime type strings rather than the more traditional human readable ones. Thus it may say text/plain; charset=us-ascii rather than ASCII text.
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Expanding tuples into arguments
...und that you can do the same with lists, (in fact, any iterable, including strings), not sure how their mutability affects things. That would be interesting to look into.
– wcyn
Nov 26 '17 at 11:47
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Compare integer in bash, unary operator expected
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Judging from the error message the value of i was the empty string when you executed it, not 0.
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