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What is memoization and how can I use it in Python?
... return k * factorial(k - 1)
factorial = Memoize(factorial)
A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing:
@Memoize
def factorial(k):
if k < 2: return 1
return k * factorial(k - 1)
The Python D...
How to force cp to overwrite without confirmation
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yes, I did unalias cp -i , now its working.. Thank you for your valuable reply.
– thiyagu114
Dec 13 '11 at 11:43
6
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node.js execute system command synchronously
...) supports execSync:
child_process.execSync(command[, options])
You can now directly do this:
const execSync = require('child_process').execSync;
code = execSync('node -v');
and it'll do what you expect. (Defaults to pipe the i/o results to the parent process). Note that you can also spawnSync...
How to force Chrome's script debugger to reload javascript?
...sabling the Chrome cache.
When you reload the page, the JavaScript should now get refreshed.
Chrome circa 2011
Chrome circa 2018
You can also access it on the network tab:
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im...
how to set radio option checked onload with jQuery
...ever remember which one is right. jQuery figures it out either way, but I know if you want to set the actual checked attribute of a DOM element it is supposed to be a boolean, like, document.getElementById('x').checked = true; - so I went with that.
– Paolo Bergantino
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Which browsers support ?
...inked in the question sets async="true". It's not the correct way to do it now, but it was the only widely supported way to do it then. For example IE10p2 supported async="true" but did not support async="async"
– Philip Rieck
Feb 18 '14 at 16:10
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What are queues in jQuery?
...ar resized = function() {
// simple animation callback - let maps know we resized
google.maps.event.trigger(map, 'resize');
};
// wait 2 seconds
$map.delay(2000);
// resize the div:
$map.animate({
width: 250,
height: 250,
marginLeft: 250,
...
make_unique and perfect forwarding
...on that is identical with the one given by the OP.
Edit: std::make_unique now is part of C++14.
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Statistics: combinations in Python
... N and K due to floating point precision. But we can fix that - see above, now it should not err for big numbers
– Nas Banov
Sep 17 '13 at 1:17
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How do I get the path to the current script with Node.js?
...the module or included script. If you are writing a plugin which needs to know the path of the main script it is:
require.main.filename
or, to just get the folder name:
require('path').dirname(require.main.filename)
sha...