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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
1.概述
* MTU: 最大传输单元（MAXIMUM TRANSMISSION UNIT） ， 指在一个PDU （Protocol Data Unit： 协议数据单元，在一个传输单元中的有效传输数据）能够传输的最大数据量（多少字节可以一次性传输到对方）。
* MTU 交...
Getting the folder name from a path
... the path actually exists. This approach, does however, rely on the path initially ending in a filename. If it's unknown whether the path ends in a filename or folder name - then it requires that you check the actual path to see if a file/folder exists at the location first. In that case, Dan Dimitr...
In Python, how do I convert all of the items in a list to floats?
I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list.
12 Answers...
google chrome extension :: console.log() from background page?
...le.log('something'); from the popup page, or any script included off that it works fine.
11 Answers
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Change the font of a UIBarButtonItem
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Because UIBarButtonItem inherits from UIBarItem, you can try
- (void)setTitleTextAttributes:(NSDictionary *)attributes
forState:(UIControlState)state
but this is for iOS5 only. For iOS 3/4, you will have to use a custom vie...
How to check version of a CocoaPods framework
...ck that FlurrySDK is using 4.2.3, check that file.
Note: You should not edit this file. It is auto-generated when you run pod install or pod update
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Split list into smaller lists (split in half)
I am looking for a way to easily split a python list in half.
17 Answers
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Determine the number of NA values in a column
... the name of the column I am considering is col . The way I have come up with is following:
14 Answers
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Correct way to define Python source code encoding
...put pretty much anything before the "coding" part, but stick to "coding" (with no prefix) if you want to be 100% python-docs-recommendation-compatible.
More specifically, you need to use whatever is recognized by Python and the specific editing software you use (if it needs/accepts anything at all)...
How to find day of week in php in a specific timezone
...ion when searching how to get the day of the week(as I did), and then vote it up, because it answers their question :)
– dav
May 20 '14 at 16:28
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