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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 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...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...stfix是sendmail兼容的，从而使sendmail用户可以很方便地迁移到postfix。Postfix支持/var[/spool]/mail、/etc/aliases、 NIS、和 ~/.forward 文件。
4. 更健壮：
postfix被设计成在重负荷之下仍然可以正常工作。当系统运行超出了可用的内存或磁...
做了个购物清单App后，我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
...的积木能做出真正好用的App"。
复盘感悟
变量是编程的地基。App Inventor 2把变量简化为5种积木块——初始化全局、初始化局部(do)、初始化局部(return)、取值、设置值——看起来简单，但每个都有其使用场景：
- 全局变...
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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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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360安全检测到18%后提示失败，关闭云盾、设置白名单解决 - 更多技术 - 清泛...
360安全检测到18%后提示失败，关闭云盾、设置白名单解决使用的是阿里云服务器，而服务器开启的云盾有DDos防护功能，把360检测当做DDos攻击拦截了。我们首先想到临时关闭云盾功能，不过笔者找了好...使用的是阿里云服务器，...
Jenkins中集成gtest单元测试结果 - 项目管理 - 清泛网 - 专注IT技能提升
...成gtest单元测试结果Jenkins-gtestgtest单元测试结果默认输出到控制台，那么我们如何把它集成到Jenkins系统中呢？1、让gtest运行结果输出到XML文件：mygtest --gtest_output=xml:result xml2、配置Jenkins构建后操 gtest单元测试结果默认输出到控...