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Show data on mouseover of circle
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I assume that what you want is a tooltip. The easiest way to do this is to append an svg:title element to each circle, as the browser will take care of showing the tooltip and you don't need the mousehandler. The code would be some...
Performance of Arrays vs. Lists
... to have a list/array of integers which you need iterate frequently, and I mean extremely often. The reasons may vary, but say it's in the heart of the inner most loop of a high volume processing.
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How do you properly use namespaces in C++?
I come from a Java background, where packages are used, not namespaces. I'm used to putting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
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GDB corrupted stack frame - How to debug?
... get this kind of SEGV, with a bogus (very small) PC address, 99% of the time it's due to calling through a bogus function pointer. Note that virtual calls in C++ are implemented via function pointers, so any problem with a virtual call can manifest in the same way.
An indirect call instruction ju...
How can I change my Cygwin home folder after installation?
I just installed Cygwin, and it looks like the home directory in the bash prompt is on my Z: drive. That's not where I want it.
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Why use AJAX when WebSockets is available?
...WebSockets for a while now, I have chosen to create an Agile project management tool for my final year project at University utilizing Node server and WebSockets. I found using WebSockets provided a 624% increase in the number of requests per second my application could process.
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Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
... your applications very well. In order to change your packages' target frameworks, you must uninstall and reinstall the packages (taking note of the packages you had installed so that you can reinstall each of them).
The reason packages must be uninstalled and reinstalled is:
When installing a p...
When NOT to use yield (return) [duplicate]
... What are the cases where use of yield will be limiting, unnecessary, get me into trouble, or otherwise should be avoided?
It's a good idea to think carefully about your use of "yield return" when dealing with recursively defined structures. For example, I often see this:
public static IEnumerab...
What's the false operator in C# good for?
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Why is exception.printStackTrace() considered bad practice?
...em.err being reassigned throughout the duration of the application's lifetime,
and if you do not require log rotation while the application is running,
and if accepted/designed logging practice of the application is to write to System.err (and the JVM's standard error output stream).
In most cases...