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Most efficient way to determine if a Lua table is empty (contains no entries)?
...e a habit of comparing to nil instead in the future, just as a good habit. And yes, I've been binding common utility functions to local vars for speed. Thanks for the input though.
– Amber
Aug 10 '09 at 1:41
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One line if-condition-assignment
...ssible in Python, since what you're actually trying to do probably gets expanded to something like this:
num1 = 20 if someBoolValue else num1
If you exclude else num1, you'll receive a syntax error since I'm quite sure that the assignment must actually return something.
As others have already me...
How to compare binary files to check if they are the same?
What is the easiest way (using a graphical tool or command line on Ubuntu Linux) to know if two binary files are the same or not (except for the time stamps)? I do not need to actually extract the difference. I just need to know whether they are the same or not.
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Delete branches in Bitbucket
...before it will be pulled to the master. Now I see lots of them on the list and they we will never use it again. How to delete those branches directly to Bitbucket?
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How to center an iframe horizontally?
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So that's what the "i" stands for.
– Aayush
Jun 9 '13 at 16:53
11
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Expand a div to fill the remaining width
...th floats in a specific way.
Just take that second div, remove the float, and give it overflow:hidden instead. Any overflow value other than visible makes the block it's set on become a BFC. BFCs don't allow descendant floats to escape them, nor do they allow sibling/ancestor floats to intrude in...
IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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What is the HEAD in git?
There seems to be a difference between the last commit, the HEAD and the state of the file I can see in my directory.
5 Ans...
How to create a printable Twitter-Bootstrap page
I'm using Twitter-Bootstrap and I need to be able to print the page the way it looks on the browser. I'm able to print other pages made with Twitter-Bootstrap just fine but I can't seem to print my page that uses purely Twitter-Bootstrap. Am I missing a tag somewhere?
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What is meant by 'first class object'?
...them
in data structures, passing them as
arguments to other functions, and
returning them as the values of other
functions.
This page also illustrates it beautifully:
Really, just like any other variable
A function is an instance of the Object type
A function can have properties and...