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蓝牙配对pin码设置 - 创客硬件开发 - 清泛IT社区，为创新赋能！
蓝牙配对 PIN 码是用于确保蓝牙设备之间进行加密通信的一种方式。一般情况下，当您在第一次将两个蓝牙设备配对时，会要求您输入一个四位数或六位数的 PIN 码。这个 PIN 码必须在两个设备上输入相同的数字才能进行配对成功...
SFTP Libraries for .NET [closed]
...and do private key authentication. Only problem that I had was getting the 64bit version to work on windows server 2008, I needed to install vcredist_x64.exe ( http://www.microsoft.com/download/en/details.aspx?id=14632 ) on my server.
...
How do I create an empty array/matrix in NumPy?
...p.array(x)
The result will be:
In [34]: x
Out[34]: array([], dtype=float64)
Therefore you can directly initialize an np array as follows:
In [36]: x= np.array([], dtype=np.float64)
I hope this helps.
share
|...
Is there any way to specify a suggested filename when using data: URI?
...ownload attribute:
<a download="logo.gif" href="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7">Download transparent png</a>
Javascript only: you can save any data URI with this code:
function saveAs(uri, filename) {
var link = docume...
Selecting with complex criteria from pandas.DataFrame
...(df["B"] > 50) & (df["C"] == 900)]
2 5
3 8
Name: A, dtype: int64
but you can get yourself into trouble because of the difference between a view and a copy doing this for write access. You can use .loc instead:
>>> df.loc[(df["B"] > 50) & (df["C"] == 900), "A"]
2 5...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...
Don't forget that for a 64 bit system it's "Framework64". I.e., Windows\Microsoft.NET\Framework64\v4.xxx.xxx
– grahamesd
Dec 17 '15 at 21:29
...
How do I choose grid and block dimensions for CUDA kernels?
...respectively)
The maximum dimensions of each block are limited to
[512,512,64]/[1024,1024,64] (Compute 1.x/2.x or later)
Each block cannot consume more than 8k/16k/32k/64k/32k/64k/32k/64k/32k/64k registers total
(Compute 1.0,1.1/1.2,1.3/2.x-/3.0/3.2/3.5-5.2/5.3/6-6.1/6.2/7.0)
Each block cannot consu...
CoInitialize浅析一 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...ialize，该函数主要是用来初始化COM运行环境。但这个函数的作用域是以线程为单位还是 大家都知道程序中若要使用COM组件则必须要先调用CoInitialize，该函数主要是用来初始化COM运行环境。但这个函数的作用域是以线程为单位还...
How can I open a cmd window in a specific location?
...
64
Try out this "PowerToy" from Microsoft:
Open Command Window Here
This PowerToy adds an...
浮点数在内存中的表示 - C/C++ - 清泛网 - 专注IT技能提升
浮点数在内存中的表示Float_Memory_Representation浮点数 内存 补码 阶码 尾数一般我们常见的字符型、整型在内存中采用标准的二进制存储，但是程序员往往容易忽略浮点数在内存中的储存方式，从而会导致一些误用，最常见的是浮...