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Getting the last element of a list
...ist[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to last, etc, all the way down to some_list[-len(some_list)], which gives you the f...
CSS: 100% width or height while keeping aspect ratio?
Currently, with STYLE, I can use width: 100% and auto on the height (or vice versa), but I still can't constrain the image into a specific position, either being too wide or too tall, respectively.
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What does “|=” mean? (pipe equal operator)
I tried searching using Google Search and Stack Overflow, but it didn't show up any results. I have seen this in opensource library code:
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GPU Emulator for CUDA programming without the hardware [closed]
... emulator for a Geforce card that would allow me to program and test CUDA without having the actual hardware?
7 Answers
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text-overflow:ellipsis in Firefox 4? (and FF5)
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Spudley, you could achieve the same thing by writing a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $...
How to ignore certain files in Git
I have a repository with a file, Hello.java . When I compile it, an additional Hello.class file is generated.
21 Answers...
Failed to load the JNI shared Library (JDK)
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You need a 64-bit trio:
64-bit OS
64-bit Java
64-bit Eclipse
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only ...
What is aspect-oriented programming?
I understand object oriented programming, and have been writing OO programs for a long time. People seem to talk about aspect-oriented programming, but I've never really learned what it is or how to use it. What is the basic paradigm?
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Javascript: negative lookbehind equivalent?
...script regular expressions? I need to match a string that does not start with a specific set of characters.
12 Answers
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