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What exactly does += do in python?
I need to know what += does in python. It's that simple. I also would appreciate links to definitions of other short hand tools in python.
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Why does this Java code compile?
In method or class scope, the line below compiles (with warning):
14 Answers
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What does Ruby have that Python doesn't, and vice versa?
There is a lot of discussions of Python vs Ruby, and I all find them completely unhelpful, because they all turn around why feature X sucks in language Y, or that claim language Y doesn't have X, although in fact it does. I also know exactly why I prefer Python, but that's also subjective, and would...
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND .
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Why is using onClick() in HTML a bad practice?
I have heard many times that using JavaScript events, such as onClick() , in HTML is a bad practice, because it's not good for semantics. I would like to know what the downsides are and how to fix the following code?
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How do I copy a hash in Ruby?
I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance.
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When to call activity context OR application context?
There has been a lot of posting about what these two contexts are.. But I'm still not getting it quite right
7 Answers
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Map vs Object in JavaScript
I just discovered chromestatus.com and, after losing several hours of my day, found this feature entry :
12 Answers
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Merge and interleave two arrays in Ruby
I have the following code:
11 Answers
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How to force the browser to reload cached CSS/JS files?
I have noticed that some browsers (in particular, Firefox and Opera) are very zealous in using cached copies of .css and .js files, even between browser sessions. This leads to a problem when you update one of these files but the user's browser keeps on using the cached copy.
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