大约有 2,400 项符合查询结果（耗时：0.0224秒） [XML]
Including Google Web Fonts link or import?
...ight above it use HTML5's preconnect feature to ask the browsers to open a TCP connection and negotiate SSL in advance with fonts.gstatic.com. Here's an example, which obviously needs to reside in your <head></head> tag:
<link rel="preconnect" href="https://fonts.gstatic.com/" crosso...
How to concatenate two MP4 files using FFmpeg?
... to add this parameter to ffmpeg to make it work: -protocol_whitelist file,tcp,http,pipe
– Bensge
Oct 5 '17 at 17:08
|
show 4 more comments
...
Is there a float input type in HTML5?
...
@relipse see here: stackoverflow.com/q/3790935/1180785 but be sure to read the comments for each answer; it looks like all options have drawbacks, and you'll need to see what fits your particular needs.
– Da...
How to convert SQL Query result to PANDAS Data Structure?
...ill only work with results obtained using sqlalchemy. Pyodbc uses the description attribute for columns.
– Filip
Aug 29 '19 at 21:06
...
Sleeping in a batch file
...alling it (it has other uses too :), just create the following sleep.py script and add it somewhere in your PATH:
import time, sys
time.sleep(float(sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather t...
Testing web application on Mac/Safari when I don't own a Mac
...courts have judged Hackintosh are nothing else than a violation of Apple's IP. I don't think it is a good idea to encourage piracy on SO.
– KPM
Aug 16 '12 at 0:36
46
...
WebSockets vs. Server-Sent events/EventSource
... protocol which provides a full-duplex communication channel over a single TCP connection.
For instance a two-way communication between the Server and Browser
Since the protocol is more complicated, the server and the browser has to rely on library of websocket
which is socket.io
Example - On...
How to use the 'main' parameter in package.json?
... folder.
For most modules, it makes the most sense to have a main script and
often not much else.
To put it short:
You only need a main parameter in your package.json if the entry point to your package differs from index.js in its root folder. For example, people often put the entry poin...
Best way to check if a URL is valid
...g filter_var() will fail for urls with non-ascii chars, e.g. (http://pt.wikipedia.org/wiki/Guimarães). The following function encode all non-ascii chars (e.g. http://pt.wikipedia.org/wiki/Guimar%C3%A3es) before calling filter_var().
Hope this helps someone.
<?php
function validate_url($url) ...
Why does HTML5 form-validation allow emails without a dot?
...s a valid email address (eg localhost is a valid domain). See http://en.wikipedia.org/wiki/Email_address#Examples
Also, keep in mind that you should always do the input validation in server. The client side validation should be only for giving feedback to the user and not be relied on, since it can...