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What does the “at” (@) symbol do in Python?
I'm looking at some Python code which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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What is a clean, pythonic way to have multiple constructors in Python?
I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem?
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Choosing between std::map and std::unordered_map [duplicate]
...t in many situations, for example displaying a collection (e.g. address book). This also manifests in other indirect ways like: (1) Start iterating from the iterator returned by find(), or (2) existence of member functions like lower_bound().
Also, I think there is some difference in the worst case...
What's the foolproof way to tell which version(s) of .NET are installed on a production Windows Serv
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You should open up IE on the server for which you are looking for this info, and go to this site: http://www.hanselman.com/smallestdotnet/
That's all it takes.
The site has a script that looks your browser's "UserAgent" and figures out what version (if any) of the .NET Framework ...
jQuery UI Dialog with ASP.NET button postback
I have a jQuery UI Dialog working great on my ASP.NET page:
17 Answers
17
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How do you automatically set the focus to a textbox when a web page loads?
...load = function() {
document.getElementById("Box1").focus();
};
though keep in mind that this will replace other on load handlers, so look up addLoadEvent() in google for a safe way to append onload handlers rather than replacing.
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$_POST vs. $_SERVER['REQUEST_METHOD'] == 'POST'
...st data.
It's possible for a POST request to contain no POST data.
I check the request method — I actually never thought about testing the $_POST array. I check the required post fields, though. So an empty post request would give the user a lot of error messages - which makes sense to me.
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Deploying website: 500 - Internal server error
...edited Feb 23 at 3:52
Callum Watkins
2,22222 gold badges2323 silver badges4040 bronze badges
answered Mar 22 '11 at 1:53
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Difference between ObservableCollection and BindingList
I want to know the difference between ObservableCollection and BindingList because I've used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other.
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How can a Javascript object refer to values in itself? [duplicate]
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Maybe you can think about removing the attribute to a function. I mean something like this:
var obj = {
key1: "it ",
key2: function() {
return this.key1 + " works!";
}
};
alert(obj.key2());
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