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Can pandas automatically recognize dates?
...to be defined manually. In such a case you can also add a date parser function, which is the most flexible way possible.
Suppose you have a column 'datetime' with your string, then:
from datetime import datetime
dateparse = lambda x: datetime.strptime(x, '%Y-%m-%d %H:%M:%S')
df = pd.read_csv(infile...
$location / switching between html5 and hashbang mode / link rewriting
I was under the impression that Angular would rewrite URLs that appear in href attributes of anchor tags within tempaltes, such that they would work whether in html5 mode or hashbang mode. The documentation for the location service seems to say that HTML Link Rewriting takes care of the hashbang s...
How to recognize swipe in all 4 directions
...ight. But on swift UISwipeGestureRecognizer has predeterminate Right direction.. And I don't know how make this for use other directions..
...
Distributed sequence number generation?
I've generally implemented sequence number generation using database sequences in the past.
13 Answers
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SQL Joins Vs SQL Subqueries (Performance)?
...ll with 100% certainty which is faster is to turn on performance tracking (IO Statistics is especially useful) and run them both. Make sure to clear your cache between runs!
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Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
...
Can I run HTML files directly from GitHub, instead of just viewing their source?
....com/[user]/[repository]/[branch]/[filename.ext]
In your case .html extension
After:
Development (throttled)
https://raw.githack.com/[user]/[repository]/[branch]/[filename.ext]
Production (CDN)
https://rawcdn.githack.com/[user]/[repository]/[branch]/[filename.ext]
In your case .html extension...
Is an empty href valid?
...
Although this question is already answered (tl;dr: yes, an empty href value is valid), none of the existing answers references the relevant specifications.
An empty string can’t be a URI. However, the href attribute doesn’t only take URIs ...
What does the “__block” keyword mean?
... their contents that are also used in blocks are copied, thus any modification done to these variables don't show outside the block. When they are marked with __block, the modifications done inside the block are also visible outside of it.
For an example and more info, see The __block Storage Type ...
How can I shift-select multiple checkboxes like GMail?
... wrote a self-contained demo that uses jquery:
$(document).ready(function() {
var $chkboxes = $('.chkbox');
var lastChecked = null;
$chkboxes.click(function(e) {
if (!lastChecked) {
lastChecked = this;
return;
}
if (e.shift...