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How to get the last N rows of a pandas DataFrame?
...n, and this is by design: see integer indexing in pandas "gotchas"*).
*In newer versions of pandas prefer loc or iloc to remove the ambiguity of ix as position or label:
df.iloc[-3:]
see the docs.
As Wes points out, in this specific case you should just use tail!
...
How to install node.js as windows service?
...om code, i.e.
var Service = require('node-windows').Service;
// Create a new service object
var svc = new Service({
name:'Hello World',
description: 'The nodejs.org example web server.',
script: 'C:\\path\\to\\helloworld.js'
});
// Listen for the "install" event, which indicates the
// proc...
Make Bootstrap Popover Appear/Disappear on Hover instead of Click
... $('.thumbcontainer').not(_this).popover('hide');
// start new timeout to show popover
counter = setTimeout(function(){
if($(_this).is(':hover'))
{
$(_this).popover("show");
}
$(".popover").on("mouseleave", funct...
How to generate .json file with PHP?
...anguages evolve.My post answer was posted in 2017.You should have posted a new answer with an updated way of doing it instead of just downvoted code that worked in 2017
– RileyManda
May 17 '19 at 5:22
...
Adding additional data to select options using jQuery
...L5 "data" attributes are just custom attributes with a naming scheme and a new standard that declares them to be legal.
– Phrogz
Dec 30 '10 at 19:10
...
Class method decorator with self arguments?
...l = function(e) {
var $elem = $('.new-login-left'),
docViewTop = $window.scrollTop(),
docViewBottom = docViewTop + $window.height(),
...
What does template mean?
...ate a template class, you pass a value of the type you specified, and in a new copy of the template class definition this value gets substituted in wherever the parameter name was in the original definition. Just like a macro.
You can also use the "class" or "typename" types for parameters (they're...
How to concatenate strings with padding in sqlite
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6134415%2fhow-to-concatenate-strings-with-padding-in-sqlite%23new-answer', 'question_page');
}
);
...
What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...();
Now, assume you now want to doSomethingElse() when cond1 is not met (new feature). So:
if (cond1)
if (cond2)
doSomething();
else
doSomethingElse();
which is obviously wrong, since the else associates with the inner if.
Edit: Since this is getting some attention, I'll clarify...
How can I pair socks from a pile efficiently?
... 4...
– Ryan Lundy
Jan 24 '13 at 22:51
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