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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...因为指针指向的对象的复制不一定是必要的。
（3） 第三种就是一种折中的方式。利用一个辅助类来管理指针的复制。原来的类中有一个指针指向辅助类，辅助类的数据成员是一个计数器和一个指针（指向原来的）（此为本...
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...
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...
How does this site infecting script work?
... script providing the content of the iframe is made so as not to start the pdf download everytime. There may be a 1 in 10 chance or something like that. It did not try to download the pdf everytime I refreshed the joomla page. Could be even 1 in 100... who knows?
– Peter Perh...
GraphViz - How to connect subgraphs?
...'s built-in "label" attribute, which should be set to the empty string (in Python, label='""'). This means I'm no longer adding edges that connect clusters directly, but it works in my particular situation.
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Get MIME type from filename extension
...n/octet-stream"},
{".pcz", "application/octet-stream"},
{".pdf", "application/pdf"},
{".pfb", "application/octet-stream"},
{".pfm", "application/octet-stream"},
{".pfx", "application/x-pkcs12"},
{".pgm", "image/x-portable-graymap"},
{".pic", "i...
Are Databases and Functional Programming at odds?
...rogramming languages and have been playing with Lisp/CLOS, Scheme, Erlang, Python and a bit of Ruby. In daily programming life I'm still forced to use C#.
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ArrayBuffer to base64 encoded string
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I am trying 50mb pdf file upload using angualrjs and webapi2. I am using above line code , after upload file, the page got crashed and hanged . Below line of code ,I was used but getting null value in webapi method. "var base64String = btoa(...
Scalar vs. primitive data type - are they the same thing?
...string is a scalar. In Java, a string is an object (or reference type). In Python, everything is (conceptually) an object/reference type, including strings (and numbers).
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Django ModelForm: What is save(commit=False) used for?
...
this is a python code you can't run it in code snippet
– Ayoub Benayache
Nov 29 '19 at 18:59
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