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How to implement a rule engine?
... ExpressionType tBinary;
// is the operator a known .NET operator?
if (ExpressionType.TryParse(r.Operator, out tBinary)) {
var right = Expression.Constant(Convert.ChangeType(r.TargetValue, tProp));
// use a binary operation, e.g. 'Equal' -> 'u.Age == 21'
return Exp...
Add CSS or JavaScript files to layout head from views or partial views
...-development-only.js")" type="text/javascript"></script>
@if (IsSectionDefined("AddToHead"))
{
@RenderSection("AddToHead", required: false)
}
@RenderSection("AddToHeadAnotherWay", required: false)
</head>
View:
@model ProjectsExt.Mod...
How to convert UTF-8 byte[] to string?
...
One of the beautiful features of UTF-8 is that a shorter sequence is never a subsequence of a longer sequence. So a null terminated UTF-8 string is simple.
– plugwash
Nov 24 '15 at 17:00
...
Check if a value is an object in JavaScript
How do you check if a value is an object in JavaScript?
46 Answers
46
...
How should I handle “No internet connection” with Retrofit on Android
...
public Response execute(Request request) throws IOException {
if (!ncm.isConnected()) {
log.debug("No connectivity %s ", request);
throw new NoConnectivityException("No connectivity");
}
return wrappedClient.execute(request);
}
}
and then us...
Why does Double.NaN==Double.NaN return false?
...
NaN means "Not a Number".
Java Language Specification (JLS) Third Edition says:
An operation that overflows produces a signed infinity, an operation that underflows produces a denormalized value or a signed zero, and an operation that has no mathematically definite...
How to get Twitter-Bootstrap navigation to show active link?
... understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):
...
Can Python test the membership of multiple values in a list?
I want to test if two or more values have membership on a list, but I'm getting an unexpected result:
10 Answers
...
Check if application is installed - Android
...etch information about the package whose name you passed in. Failing that, if a NameNotFoundException was thrown, it means that no package with that name is installed, so we return false.
Note that we pass in a PackageManager instead of a Context, so that the method is slightly more flexibly usable...
How to use a variable inside a regular expression?
...nterpolation, "f-strings". In your particular case the solution would be:
if re.search(rf"\b(?=\w){TEXTO}\b(?!\w)", subject, re.IGNORECASE):
...do something
EDIT:
Since there have been some questions in the comment on how to deal with special characters I'd like to extend my answer:
raw str...