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BLE协议—广播和扫描 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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本文链接：https://blog.csdn.net/qq619203312/article/details/135333847
BLE协议—广播和扫描
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广播数据PDU
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C# Sanitize File Name
I recently have been moving a bunch of MP3s from various locations into a repository. I had been constructing the new file names using the ID3 tags (thanks, TagLib-Sharp!), and I noticed that I was getting a System.NotSupportedException :
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Change all files and folders permissions of a directory to 644/755
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352
One approach could be using find:
for directories
find /desired_location -type d -print0 | x...
Weird PHP error: 'Can't use function return value in write context'
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answered Oct 7 '09 at 16:23
chaoschaos
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How to iterate through all git branches using bash script
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13 Answers
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Can you run GUI applications in a Docker container?
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243
You can simply install a vncserver along with Firefox :)
I pushed an image, vnc/firefox, here: ...
How do I get the number of elements in a list?
...both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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subtle differences between JavaScript and Lua [closed]
...s, including the ternary conditional operator (?: vs and/or), and, as of 5.3, bitwise operators (&, |, etc. vs. metamethods ).
UPDATE: JS now has the exponentiation operator **.
JS has increment/decrement, type operators (typeof and instanceof), additional assignment operators and additional ...
Foreign keys in mongo?
...p:"phones"})
> db.foo.find()
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "group" : "phones" }
{ "_id" : ObjectId("4df6540fe90592692ccc9941"), "group" : "phones" }
>db.foo.find({'_id':ObjectId("4df6539ae90592692ccc9940")})
{ "_id" : ObjectId("4df6539ae90592692ccc9940"), "...
How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValu...