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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...
How can I check if an element exists in the visible DOM?
...refox until version 9, I'm guessing because it was a non-standard function invented in IE that wasn't standardized until later) - it must be the fastest because it uses a single call to a native API
– Jon z
Mar 26 '15 at 15:00
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Why are hexadecimal numbers prefixed with 0x?
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Wouldn't they have both been invented at the same time? Why would there ever be one but not the other?
– AshleysBrain
Apr 22 '10 at 13:28
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How to add parameters to HttpURLConnection using POST using NameValuePair
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this should be an answer, as no re-inventing of the wheel must be done!
– injecteer
Nov 26 '15 at 15:07
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C++: const reference, before vs after type-specifier
...s the explanation from the man who wrote it.
To quote him:
Why? When I invented "const"
(initially named "readonly" and had a
corresponding "writeonly"), I allowed
it to go before or after the type
because I could do so without
ambiguity.
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What is the difference between static_cast and C style casting?
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C-Style casting, using the (type)variable syntax. The worst ever
invented. This tries to do the following casts, in this order: (see
also C++ Standard, 5.4 expr.cast paragraph 5)
const_cast
static_cast
static_cast followed by const_cast
reinterpret_cast
reinterpret_castfo...
How to export collection to CSV in MongoDB?
..., I need it to tell me everything about itself, including which fields it "invented" by itself. So in my case it doesn't make perfect sense to have to specify the fields, because I don't know what they all are!
– Stephen
Oct 31 '11 at 18:46
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Get selected element's outer HTML
... @PavingWays: In Firefox' defense: outerHTML is a proprietary attribute invented by Microsoft, not a W3C standard. (Fun fact: innerHTML is standardized only since HTML5)
– Blaise
Nov 23 '12 at 17:32
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Javascript - How to detect if document has loaded (IE 7/Firefox 3)
...s belongs in a library. Along with all the other wheels people commonly re-invent.
– b01
May 13 '13 at 22:52
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How to remove item from array by value? [duplicate]
...ying about the small functions that makeup my application. Someone already invented the wheel, why would someone remake it every time they build a car?
– styks
May 13 '14 at 13:05
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