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C# difference between == and Equals()
...ject, then both will return true, but if one has the same content and came from a different source (is a separate instance with the same data), only Equals will return true. However, as noted in the comments, string is a special case because it overrides the == operator so that when dealing purely w...
Error in SQL script: Only one statement is allowed per batch
...e problem. When I added the file in VS I forgot to set Build Action = None from the file properties. So changing that fixed the problem and the project now compiles.
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jQuery Plugin: Adding Callback functionality
...e options object:
$.fn.myPlugin = function() {
// extend the options from pre-defined values:
var options = $.extend({
callback: function() {}
}, arguments[0] || {});
// call the callback and apply the scope:
options.callback.call(this);
};
Use it like this:
$('.el...
What exactly does the Access-Control-Allow-Credentials header do?
... CORS does not include cookies on cross-origin requests. This is different from other cross-origin techniques such as JSON-P. JSON-P always includes cookies with the request, and this behavior can lead to a class of vulnerabilities called cross-site request forgery, or CSRF.
In order to reduce the ...
How can I get a JavaScript stack trace when I throw an exception?
...
Note that caller is now deprecated and callee is removed from ES5 strict mode. Here's why stackoverflow.com/questions/103598/…
– PhilT
Nov 5 '14 at 22:17
...
WebException how to get whole response with a body?
...eadToEnd();
dynamic obj = JsonConvert.DeserializeObject(resp);
var messageFromServer = obj.error.message;
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How to generate a core dump in Linux on a segmentation fault?
...ault is that the limit is not set and/or set to 0, which prevents the core from being dumped. By setting a limit of unlimited, we guarantee that core dumps can always be generated.
– Eli Courtwright
Aug 9 '11 at 12:30
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what is the unsigned datatype?
...
Bringing my answer from another question.
From the C specification, section 6.7.2:
— unsigned, or unsigned int
Meaning that unsigned, when not specified the type, shall default to unsigned int. So writing unsigned a is the same as uns...
Why doesn't Ruby support i++ or i-- (increment/decrement operators)?
...leksi Niemelä <aleksi.niemela@cinnober.com> writes:
|I got an idea from http://www.pragprog.com:8080/rubyfaq/rubyfaq-5.html#ss5.3
|and thought to try. I didn't manage to make "auto(in|de)crement" working so
|could somebody help here? Does this contain some errors or is the idea
|wrong?
(1...
What is the difference between instanceof and Class.isAssignableFrom(…)?
..., you need to know the class of B at compile time. When using isAssignableFrom() it can be dynamic and change during runtime.
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