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低频率蓝牙发送报文报错，报错内容和程序如下。麻烦老师们帮忙解决一下 - A...
低频率蓝牙发送报文报错，报错内容和程序如下。麻烦老师们帮忙解决一下
值是一个字节列表，不是文本。
utf16 参数建议 “假”。
Reserved keywords in JavaScript
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Joseph, thanks for adding that info. I found that PDF in google, but didn't have time to open and read it all.
– benc
Oct 3 '08 at 17:10
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解决：Successful WSAStartup not yet performed. Error code : 10093. - c...
出现10093错误的原因是应用程序没有调用 WSAStartup，或者 WSAStartup 失败。
原因：调用WSASocket等Socket函数之前必须先执行WSAStartup()初始化。
解决方法：
BOOL CxxxApp::InitInstance()
{
WSADATA wsaData;
&...
Graphviz: How to go from .dot to a graph?
...put formatting for the dot command, for instance)
http://www.graphviz.org/pdf/dotguide.pdf
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What is “pom” packaging in maven?
...acts
Think of a "documentation" project, the primary artifact might be a PDF, but it's already built, and the work to declare it as a secondary artifact might be desired over the configuration to tell maven how to build a PDF that doesn't need compiled.
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Remove header and footer from window.print()
...gain. If you need support for a browser that can't hable, you can create a PDF on the fly and print that (you can create a self-printing PDF embedding JavaScript on it), but that's a huge hassle.
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How do I use spaces in the Command Prompt?
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set "CMD=C:\Program Files (x86)\PDFtk\bin\pdftk"
echo cmd /K ""%CMD%" %D% output trimmed.pdf"
start cmd /K ""%CMD%" %D% output trimmed.pdf"
this worked for me in a batch file
shar...
How to print third column to last column?
...ocker.dmg
Feb 09:04 Grammarly.dmg
Feb 09:20 Payslip 10459 %2828-02-2018%29.pdf
It will print:
20180301_123131.jpg
20180301_124304.jpg
20180301_124358.jpg
Cisco_WebEx_Add-On.dmg
Docker.dmg
Grammarly.dmg
Payslip 10459 %2828-02-2018%29.pdf
As we can see, the payslip even with space, shows in the c...
Developing GUIs in Python: Tkinter vs PyQt [closed]
...eading (I used it and it works like a charm),... I even use it to generate PDF's (no other external libs needed). I would recommend Mark Summerfield's book though 'Rapid GUI Programming with Python and Qt' to get you on speed. Keep in mind that Qt comes with a GUI builder (Qt designer) which is the ...
Cluster analysis in R: determine the optimal number of clusters
...v18/i06/paper
# http://www.stat.washington.edu/research/reports/2006/tr504.pdf
#
library(mclust)
# Run the function to see how many clusters
# it finds to be optimal, set it to search for
# at least 1 model and up 20.
d_clust <- Mclust(as.matrix(d), G=1:20)
m.best <- dim(d_clust$z)[2]
cat("mod...