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How to know/change current directory in Python shell?
...NPATH%;C:\My_python_lib
(taken from http://docs.python.org/using/windows.html)
edit 2
... and even better: use virtualenv and virtualenv_wrapper, this will allow you to create a development environment where you can add module paths as you like (add2virtualenv) without polluting your installatio...
How to have jQuery restrict file types on upload?
...ite working code example, I test it and everything works.
Hare is code:
HTML:
<input type="file" class="attachment_input" name="file" onchange="checkFileSize(this, @Model.MaxSize.ToString(),@Html.Raw(Json.Encode(Model.FileExtensionsList)))" />
Javascript:
//function for check attachmen...
WARNING: Can't verify CSRF token authenticity rails
... 'someData=' + someData,
success: function(response) {
$('#someDiv').html(response);
}
});
To send token in all requests you can use:
$.ajaxSetup({
headers: {
'X-CSRF-Token': $('meta[name="csrf-token"]').attr('content')
}
});
...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
...s now in reversed order.
Here is a working example for you:
<!doctype html>
<head><title>CSS Test</title>
<style type="text/css">
.some-class { margin: 0; padding: 0 20px; list-style-type: square; }
.lfloat { float: left; display: block; }
.rfloat { float: right; disp...
All falsey values in JavaScript
...b)
"", '' and `` - strings of length 0
null
undefined
NaN
document.all (in HTML browsers only)
This is a weird one. document.all is a falsey object, with typeof as undefined. It was a Microsoft-proprietory function in IE before IE11, and was added to the HTML spec as a "willful violation of the J...
In where shall I use isset() and !empty()
...t() is not an effective way to validate text inputs and text boxes from a HTML form.
17 Answers
...
How to close current tab in a browser window?
...ose_window() {
if (confirm("Close Window?")) {
close();
}
}
with HTML:
<a href="javascript:close_window();">close</a>
or:
<a href="#" onclick="close_window();return false;">close</a>
You return false here to prevent the default behavior for the event. Otherwis...
fastest MD5 Implementation in JavaScript
...);
return (p(a) + p(b) + p(c) + p(d)).toLowerCase()
};
<!DOCTYPE html>
<html>
<body onload="md5.value=MD5(a.value);">
<form oninput="md5.value=MD5(a.value)">Enter String:
<input type="string" id="a" name="a" value="https://www.zibri.org"></br></br&...
Read .mat files in Python
...Official SciPy.io tutorial: docs.scipy.org/doc/scipy/reference/tutorial/io.html
– Franck Dernoncourt
Mar 17 '14 at 14:09
19
...
Shuffling a list of objects
... len(a) as the sample size. See https://docs.python.org/3.6/library/random.html#random.sample for the Python documentation.
Here's a simple version using random.sample() that returns the shuffled result as a new list.
import random
a = range(5)
b = random.sample(a, len(a))
print a, b, "two list s...