大约有 40,000 项符合查询结果（耗时：0.0464秒） [XML]
【BLE技术内幕】BLE技术揭秘 - 创客硬件开发 - 清泛IT论坛，有思想、有深度
...，他希望越简单越好，对他而言，他希望调用一个简单的API就能完成这件事，比如send(0x53)，实际上我们的BLE协议栈就是这样设计的，开发者只需调用send(0x53)就可以把数据发送出去了，其余的事情BLE协议栈帮你搞定。很多人会想...
Wolfram's Rule 34 in XKCD [closed]
The hover "joke" in #505 xkcd touts "I call rule 34 on Wolfram's Rule 34".
12 Answers
...
Principal component analysis in Python
...
Months later, here's a small class PCA, and a picture:
#!/usr/bin/env python
""" a small class for Principal Component Analysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
How to implement a binary tree?
...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method.
– Jeff Mandell
Oct 18 '15 at 2:30
...
How to set an “Accept:” header on Spring RestTemplate request?
...that uses headers with basic authentication and the rest template exchange API, this is what I finally worked out...
private HttpHeaders createHttpHeaders(String user, String password)
{
String notEncoded = user + ":" + password;
String encodedAuth = Base64.getEncoder().encodeToString(notEn...
PHP Get all subdirectories of a given directory
How can I get all sub-directories of a given directory without files, . (current directory) or .. (parent directory)
and then use each directory in a function?
...
List attributes of an object
...ict__
Then you can test what type is with type() or if is a method with callable().
share
|
improve this answer
|
follow
|
...
Canvas is stretched when using CSS but normal with “width” / “height” properties
...
Having an API that looks-like but is fundamentally different to another (css width, height). Wow.
– Ben Aston
Aug 28 '17 at 9:22
...
$routeParams doesn't work in resolve function
...
I guess that docs.angularjs.org/api/ng.$routeParams are nice API when a route was already matched and changed. But it is true that it is a bit confusing...
– pkozlowski.opensource
Nov 17 '12 at 18:47
...
Why does the C preprocessor interpret the word “linux” as the constant “1”?
Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ?
5 Answers
...