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Progress indicator during pandas operations
...se you're interested in how this works (and how to modify it for your own callbacks), see the examples on github, the full documentation on pypi, or import the module and run help(tqdm). Other supported functions include map, applymap, aggregate, and transform.
EDIT
To directly answer the original ...
Permutations in JavaScript?
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If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < inp...
How to debug Apache mod_rewrite
...ng off. If you forget you'll fill your hard disk up fairly promptly, especially on a production server.
– John Hunt
May 21 '15 at 15:18
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How to redirect output of an entire shell script within the script itself?
Is it possible to redirect all of the output of a Bourne shell script to somewhere, but with shell commands inside the script itself?
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How do I add files and folders into GitHub repos?
...en git add *
Then use git commit -m "<Message>" to commit files
Finally git push -u origin master to push files.
When you make modifications run git status which gives you the list of files modified, add them using git add * for everything or you can specify each file individually, then git...
PHP: Convert any string to UTF-8 without knowing the original character set, or at least try
I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded.
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What are the differences between numpy arrays and matrices? Which one should I use?
...ted/numpy.matrix.html
As other answers already state that you can achieve all the operations with NumPy arrays.
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What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
... method group syntax rather than anonymous methods (or lambda syntax) for calling a function.
4 Answers
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When to use self over $this?
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$x = new Y();
$x->bar();
?>
The idea is that $this->foo() calls the foo() member function of whatever is the exact type of the current object. If the object is of type X, it thus calls X::foo(). If the object is of type Y, it calls Y::foo(). But with self::foo(), X::foo() is always ...