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How to implement a rule engine?
...neric Rule compiler for any types of objects. Also, the code should handle errors, like unknown operator name.
Note that generating code on the fly was possible even before the Expression trees API was introduced, using Reflection.Emit. The method LambdaExpression.Compile() uses Reflection.Emit unde...
How do I install a NuGet package .nupkg file locally?
...latest nuget from their homepage just now. Download click next next...then error...M$ as expected, there is a link of known issues, checked that, says signature mismatch then I need to uninstall the existing nuget and it is easy fix. fine, do that. When I restart computer and do install again, same ...
C# catch a stack overflow exception
...the thread, where it can unwind back up to the top, and I can then log the error and continue on without having all the apppool's threads killed.
– Brain2000
Mar 31 '14 at 22:15
...
Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
... the iterator object, I would go into the specifics of the place where the error "java.util.ConcurrentModificationException" is thrown.
Every collection class has a private class which implements the Iterator interface and provides methods like next(), remove() and hasNext().
The code for next loo...
Is it possible to implement dynamic getters/setters in JavaScript?
...val:
"use strict";
if (typeof Proxy == "undefined") {
throw new Error("This browser doesn't support Proxy");
}
let original = {
"foo": "bar"
};
let proxy = new Proxy(original, {
get(target, name, receiver) {
let rv = Reflect.get(target, name, receiver);
if ...
Is there a working C++ refactoring tool? [closed]
...actoring options either don't show up or don't complete. There are strange error messages or none at all.
– Daniel Rose
Apr 11 '12 at 7:59
4
...
What is the best open XML parser for C++? [duplicate]
...t, and for some reason the classes I call from tinyxml2 get a not resolved error. Any idea why? I found the classes in the header file which I included, so they should be available.
– evadecaptcha
Dec 16 '14 at 17:12
...
jQuery UI Sortable, then write order into a database
... .success(function(data) {
alert('saved');
})
.error(function(data) {
alert('Error: ' + data);
});
}
</script>
<ul id="sortable">
<?php
//my way to get all the articles, but you should of course use your own method.
$articles = Page::...
MySQL: Invalid use of group function
...
First, the error you're getting is due to where you're using the COUNT function -- you can't use an aggregate (or group) function in the WHERE clause.
Second, instead of using a subquery, simply join the table to itself:
SELECT a.pid ...
Find and restore a deleted file in a Git repository
...
From the windows command line I got an error. error: pathspec <filename> did not match any file(s) known to git.. The solution was to use git bash.
– donturner
Jul 26 '12 at 18:07
...