大约有 16,000 项符合查询结果（耗时：0.0393秒） [XML]
What is the purpose of “!” and “?” at the end of method names?
...ments, exit! etc.) by convention end with exclamation marks.
From: http://www.ruby-lang.org/en/documentation/ruby-from-other-languages/, Section Funny method names
share
|
improve this answer
...
Ruby: How to post a file via HTTP as multipart/form-data?
...om the README:
require 'net/http/post/multipart'
url = URI.parse('http://www.example.com/upload')
File.open("./image.jpg") do |jpg|
req = Net::HTTP::Post::Multipart.new url.path,
"file" => UploadIO.new(jpg, "image/jpeg", "image.jpg")
res = Net::HTTP.start(url.host, url.port) do |http|
...
CSS customized scroll bar in div
...
Similarly, WebKit now has its own version:
Styling scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollbar { }
::-webkit-scrollbar-button {...
What does !important mean in CSS?
...ace for the rules still having a finger in the pie.
References:
http://www.w3.org/TR/CSS2/cascade.html#cascade
https://russmaxdesign.github.io/maxdesign-slides/02-css/207-css-cascade.html
share
|
...
ElasticSearch - Return Unique Values
...t body = {
"size": 0, // Returning only aggregation results: https://www.elastic.co/guide/en/elasticsearch/reference/current/returning-only-agg-results.html
"aggs" : {
"langs": {
"composite" : {
"size": ITEMS_PER_PAGE,
"sources" : [
...
How to check for valid email address? [duplicate]
...s a valid email address.
I've had some luck with the lepl package (http://www.acooke.org/lepl/). It can validate email addresses as indicated in RFC 3696: http://www.faqs.org/rfcs/rfc3696.html
Found some old code:
import lepl.apps.rfc3696
email_validator = lepl.apps.rfc3696.Email()
if not email_...
How do you plot bar charts in gnuplot?
...mend Derek Bruening's bar graph generator Perl script. Available at http://www.burningcutlery.com/derek/bargraph/
share
|
improve this answer
|
follow
|
...
Which is the fastest algorithm to find prime numbers?
...
If it has to be really fast you can include a list of primes:
http://www.bigprimes.net/archive/prime/
If you just have to know if a certain number is a prime number, there are various prime tests listed on wikipedia. They are probably the fastest method to determine if large numbers are prime...
Read a zipped file as a pandas DataFrame
...
https://www.kaggle.com/jboysen/quick-gz-pandas-tutorial
Please follow this link.
import pandas as pd
traffic_station_df = pd.read_csv('C:\\Folders\\Jupiter_Feed.txt.gz', compression='gzip',
header=1, ...
nginx missing sites-available directory
...tep 3). Be sure to give it the right permissions/ownership. Likely root or www-data.
Move or copy your separate config files (just like you have in /etc/nginx/sites-available) into the directory conf.d.
Reload or restart nginx.
Eat an ice cream cone.
Any .conf files that you put into the conf.d d...