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Convert columns to string in Pandas
...A","2":"B"}'
Note: you can pass in a buffer/file to save this to, along with some other options...
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Getting a better understanding of callback functions in JavaScript
...erstand passing in a function to another function as a callback and having it execute, but I'm not understanding the best implementation to do that. I'm looking for a very basic example, like this:
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ASP.NET Web Site or ASP.NET Web Application?
...o, I can create an ASP.NET Web Application or I can create an ASP.NET Web Site.
25 Answers
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How to join components of a path when you are constructing a URL in Python
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Since, from the comments the OP posted, it seems he doesn't want to preserve "absolute URLs" in the join (which is one of the key jobs of urlparse.urljoin;-), I'd recommend avoiding that. os.path.join would also be bad, for exactly the same reason.
So, I'd use so...
'const string' vs. 'static readonly string' in C#
...ge the value, the other assembly won't see the change until you re-compile it.
A static readonly string is a normal field that gets looked up at runtime. Therefore, if the field's value is changed in a different assembly, the changes will be seen as soon as the assembly is loaded, without recompil...
Modular multiplicative inverse function in Python
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I was having problems with negative numbers using this algorithm. modinv(-3, 11) didn't work. I fixed it by replacing egcd with the implementation on page two of this pdf: anh.cs.luc.edu/331/notes/xgcd.pdf Hope that helps!
– Q...
How do I abort/cancel TPL Tasks?
... // another thread decided to cancel
Console.WriteLine("task canceled");
break;
}
}
}, ct);
// Simulate waiting 3s for the task to complete
Thread.Sleep(3000);
// Can't wait anymore => ca...
What does [object Object] mean?
...ersion from an object to string is "[object Object]".
As you are dealing with jQuery objects, you might want to do
alert(whichIsVisible()[0].id);
to print the element's ID.
As mentioned in the comments, you should use the tools included in browsers like Firefox or Chrome to introspect objects b...
Use-case of `oneway void` in Objective-C?
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oneway is used with the distributed objects API, which allows use of objective-c objects between different threads or applications. It tells the system that it should not block the calling thread until the method returns. Without it, the cal...
rbenv not changing ruby version
I installed rbenv according to the github directions. I am running OSX but I have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when I try to change ruby versions:
...