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Parse JSON in C#
...xt, although there are a number of examples out there with simplified JSON strings.
7 Answers
...
Adding additional data to select options using jQuery
...ction(){
var selected = $(this).find('option:selected');
var extra = selected.data('foo');
...
});
});
// Plain old JavaScript
var sel = document.getElementById('select');
var selected = sel.options[sel.selectedIndex];
var extra = selected.getAttribute('data-foo');
See t...
Django select only rows with duplicate field values
...ne these into a single query:
Literal.objects.filter(name__in=dups)
The extra call to .values('name') after the annotate call looks a little strange. Without this, the subquery fails. The extra values tricks the ORM into only selecting the name column for the subquery.
...
Converting from Integer, to BigInteger
....g.,
BigInteger bi = BigInteger.valueOf(myInteger.intValue());
Making a String first is unnecessary and undesired.
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Why does casting int to invalid enum value NOT throw exception?
...aram>
/// <returns></returns>
public static T Parse(string enumValue)
{
var parsedValue = (T)System.Enum.Parse(typeof (T), enumValue);
//Require that the parsed value is defined
Require.That(parsedValue.IsDefined(),
() => new Argumen...
What is the concept of erasure in generics in Java?
...mpiler generates extra casts where necessary. At execution time, a List<String> and a List<Date> are exactly the same; the extra type information has been erased by the compiler.
Compare this with, say, C#, where the information is retained at execution time, allowing code to contain e...
How to use FormData for AJAX file upload?
.../Script>
Controller:
[HttpPost]
public ActionResult ControllerX(string id)
{
var files = Request.Form.Files;
...
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Example of multipart/form-data
...rt/mixed header in a multipart/form-data, simply choosing another boundary string inside multipart/mixed and using that one to incapsulate data. At the end, you must "close" all boundary used in FILO order to close the POST request (like:
POST / HTTP/1.1
...
Content-Type: multipart/form-data; bound...
Non-Relational Database Design [closed]
...DBs are a massive win, and the drawbacks of less flexible queries and some extra code for data validation seems a small price to pay.
Have you hit your head against anything that seems impossible?
Not yet. Map/reduce as a means of querying a database is unfamiliar, and requires a lot more thinking...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...at the end.
e.g.
for_each(my_inits.begin(), my_inits.end(),
[](const std::string& value) { std::cout << value << ",\n"; });
There isn't really any advantage for the programmer.
P.S. Though it is easier to autogenerate the code this way, I actually always took care not to put the ...