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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
... the content of the validation errors. Visual Studio shows me that it's an array with 8 objects, so 8 validation errors.
Actually you should see the errors if you drill into that array in Visual studio during debug. But you can also catch the exception and then write out the errors to some logging...
Get element inside element by class and ID - JavaScript
...can just get the first one (that's what the [0] is for—it's just like an array).
Then, you can change the html with .textContent.
targetDiv.textContent = "Goodbye world!";
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
targetDiv.textContent = "Goodbye wor...
Easy way to test a URL for 404 in PHP?
... return $var;
}
}
}
Both would have a result similar to:
Array
(
[0] => HTTP/1.1 200 OK
[Date] => Sat, 29 May 2004 12:28:14 GMT
[Server] => Apache/1.3.27 (Unix) (Red-Hat/Linux)
[Last-Modified] => Wed, 08 Jan 2003 23:11:55 GMT
[ETag] => "3f80f-1b6...
Sound effects in JavaScript / HTML5
...itch range
25, //dissonance
[0.2, 0.2, 2000], //echo array: [delay, feedback, filter]
undefined //reverb array: [duration, decay, reverse?]
);
}
Summary
Each of these libraries are worth a look, whether you need to play back a single sound file, or perhaps crea...
Can C++ code be valid in both C++03 and C++11 but do different things?
... as what you say about operator new is accurate (it can now throw std::bad_array_new_length), but your example doesn't show that at all. The code you show is the same in C++03 and C++11 AFAIK.
– Mooing Duck
Apr 14 '14 at 23:43
...
Split a string on whitespace in Go?
...rd2 word3 word4 " , what would be the best approach to split this as an array of strings in Go? Note that there can be any number of spaces or unicode-spacing characters between each word.
...
no new variables on left side of :=
...second statement as you are assigning a new value to existing variable.
myArray = [...]int{11,12,14}
colon : is used when you perform the short declaration and assignment for the first time as you are doing in your first statement i.e. myArray :=[...]int{12,14,26}.
...
Pointer vs. Reference
...hmetic with them (e.g. incrementing the pointer address to step through an array) or if you ever have to pass a NULL-pointer.
Use references otherwise.
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C++ sorting and keeping track of indexes
...,int> >a;
for (i = 0 ;i < n ; i++) {
// filling the original array
cin >> k;
a.push_back (make_pair (k,i)); // k = value, i = original index
}
sort (a.begin(),a.end());
for (i = 0 ; i < n ; i++){
cout << a[i].first << " " << a[i].second <<...
Does JavaScript guarantee object property order?
...1, foo, bar
const obj = { "foo": "foo", "1": "1", "bar": "bar" }
Using an array or a Map object can be a better way to achieve this. Map shares some similarities with Object and guarantees the keys to be iterated in order of insertion, without exception:
The keys in Map are ordered while keys adde...