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ESP8285接入App Inventor 2深度调研：4种连接方案+是否需要开发拓展 - 创客...
...：连接方案与拓展评估
本文基于MIT App Inventor源码、fun123自研拓展源码、以及ESP8285官方数据手册，深度调研ESP8285芯片接入App Inventor 2的所有可行路径。
一、ESP8285芯片概述
ESP8285是乐鑫(Espressif)推出的WiFi SoC，本质是ESP8266的...
What is the behavior difference between return-path, reply-to and from?
...mpany.com>
Subject: Super simple email
Reply-To: <coolstuff-threadId=123@mymailinglist.com>
This is a very simple body.
Now, let's say you are going to send it from a mailing list, that implements VERP (or some other bounce tracking mechanism that uses a different return-path). Lets sa...
What does “fragment” mean in ANTLR?
...BER will always return a NUMBER to the lexer, regardless of if it matched "1234", "0xab12", or "0777".
See item 3
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...ommand: ipconfig and hit Enter.
Look for: IPv4 Address . . . . . . . . 12.123.123.00
There are websites that will also display your IP address
If you don't have Python, download and install it.
Using the 'Command Prompt' you must go to the folder where the files are that you want to serve as a w...
How to delete last character from a string using jQuery?
How to delete last character from a string for instance in 123-4- when I delete 4 it should display 123- using jQuery .
...
Elegant Python function to convert CamelCase to snake_case?
...er()
'get2_http_response_code'
>>> a.sub(r'_\1', 'get2HTTPResponse123Code').lower()
'get2_http_response123_code'
>>> a.sub(r'_\1', 'HTTPResponseCode').lower()
'http_response_code'
>>> a.sub(r'_\1', 'HTTPResponseCodeXYZ').lower()
'http_response_code_xyz'
It all depends on...
Static hosting on Amazon S3 - DNS Configuration
... will map www.example.com to your site.
Using your DNS provider's tools, (123-reg in your case) you need to create a CNAME record to map www.example.com to www.example.com.s3-website-us-east-1.amazonaws.com
The CNAME is the only thing you need if you just want www.example.com. Most people also wa...
Python __str__ versus __unicode__
...by side with __str__.
class A :
def __init__(self) :
self.x = 123
self.y = 23.3
#def __str__(self) :
# return "STR {} {}".format( self.x , self.y)
def __unicode__(self) :
return u"UNICODE {} {}".format( self.x , self.y)
a1 = A()
a2 = A()
...
Amazon S3 boto - how to create a folder?
... folders or directories in S3. You can create file names like "abc/xys/uvw/123.jpg", which many S3 access tools like S3Fox show like a directory structure, but it's actually just a single file in a bucket.
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printf with std::string?
...r example:
std::locale loc("");
std::cout.imbue(loc);
std::cout << 123456.78;
The nameless locale (the "") picks a locale based on the user's configuration. Therefore, on my machine (configured for US English) this prints out as 123,456.78. For somebody who has their computer configured fo...