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Why does Google prepend while(1); to their JSON responses?
...
It prevents JSON hijacking, a major JSON security issue that is formally fixed in all major browsers since 2011 with ECMAScript 5.
Contrived example: say Google has a URL like mail.google.com/json?action=inbox which returns ...
When should std::move be used on a function return value? [duplicate]
...std::move(foo); the move is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, overload
resolution to select the ...
Convert JS Object to form data
... and values from that object to formData.
You haven't posted any code, so it's a general example;
var form_data = new FormData();
for ( var key in item ) {
form_data.append(key, item[key]);
}
$.ajax({
url : 'http://example.com/upload.php',
data : form_data,
process...
What is the purpose of Rank2Types?
... arguments?
They do, but only of rank 1. This means that while you can write a function that takes different types of arguments without this extension, you can't write a function that uses its argument as different types in the same invocation.
For example the following function can't be typed wi...
What is the difference between localStorage, sessionStorage, session and cookies?
...road scope question, and a lot of the pros/cons will be contextual to the situation.
In all cases, these storage mechanisms will be specific to an individual browser on an individual computer/device. Any requirement to store data on an ongoing basis across sessions will need to involve your applica...
What is JSON and why would I use it?
I've looked on wikipedia and Googled it and read the official documentation, but I still haven't got to the point where I really understand what JSON is, and why I'd use it.
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Rotated elements in CSS that affect their parent's height correctly
...ble, even for non-text elements - but like many interesting things in CSS, it requires a little cunning. My solution also technically invokes undefined behaviour according to the CSS 2 spec - so while I've tested and confirmed that it works in Chrome, Firefox, Safari, and Edge, I can't promise you t...
Unit test naming best practices [closed]
What are the best practices for naming unit test classes and test methods?
12 Answers
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ServiceStack vs ASP.Net Web API [closed]
I want to write a new REST style API and have looked at ServiceStack and quite like it. However, I have seen that Microsoft has released the ASP.Net Web API project as part of the new MVC 4 beta. Has anyone looked at the new Web API project? Can you give any pros/cons of each system?
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How do I watch a file for changes?
I have a log file being written by another process which I want to watch for changes. Each time a change occurs I'd like to read the new data in to do some processing on it.
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