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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
文章源自：https://www.gandalf.site/2018/11/ble.html
0x1 BLE概述“蓝牙”，即Bluetooth，是斯堪的纳维亚语中 Blåtand / Blåtann 的英化版本。该词是十世纪的一位国王Harald Bluetooth的绰号，相传他将纷争不断的丹麦部落统一为一个王国，并引...
Why are flag enums usually defined with hexadecimal values
... reminds you: "Okay, we're not dealing with numbers in the arbitrary human-invented world of base ten anymore. We're dealing with bits - the machine's world - and we're gonna play by its rules." Hexadecimal is rarely used unless you're dealing with relatively low-level topics where the memory layo...
Is there a label/goto in Python?
... while 1:
raise BreakoutException #Not a real exception, invent your own
except BreakoutException:
pass
Using exceptions to do stuff like this may feel a bit awkward if you come from another programming language. But I would argue that if you dislike using exceptions, Python...
JavaScript property access: dot notation vs. brackets?
...
No need in re-inventing the wheel, is there? Citing it as a reference.
– Aron Rotteveel
Feb 11 '11 at 11:32
...
How does one get started with procedural generation?
... a complete procedural workflow called SideFX's Houdini. You can use it to invent and prototype procedural solutions to problems, that you can later translate to code.
While it's a rather expensive package, it has a free evaluation licence, which can be used as a very nice educational and/or engine...
How to name factory like methods?
...“to evolve from one's own thought or imagination, as a work of art or an invention.” So it seems as “create” is not the proper word to use. “Make,” on the other hand, means “to bring into existence by shaping or changing material, combining parts, etc.” For example, you don’t creat...
Storing sex (gender) in database
...
There is already an ISO standard for this; no need to invent your own scheme:
http://en.wikipedia.org/wiki/ISO_5218
Per the standard, the column should be called "Sex" and the 'closest' data type would be tinyint with a CHECK constraint or lookup table as appropriate.
...
代码块超过1.2w编译apk报错问题 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
报错信息：
3月 04, 2025 9:50:11 上午 com.google.appengine.tools.development.ApiProxyLocalImpl log
严重: javax.servlet.ServletContext log: Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract long com.google.appinv...
Accept function as parameter in PHP
...mple(function(){
// some codes here
});
it would be great if you could invent something like this (inspired by Laravel Illuminate):
Object::method("param_1", function($param){
$param->something();
});
share
...
How do getters and setters work?
...And this is an example of the Recursive Concept Explanation Pattern I just invented ;-)
– namespaceform
Jan 15 '10 at 9:37
...