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Converting java.util.Properties to HashMap
...til.HashMap's constructor receives a Map type param. So, why must it be converted explicitly?
13 Answers
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How can I convert a PFX certificate file for use with Apache on a linux server?
How can I convert a PFX certificate file for use with Apache on a linux server?
5 Answers
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Set margin size when converting from Markdown to PDF with pandoc
...d to knit it with knitr into an HTML and .md file. Next, I used pandoc to convert the .md file into a PDF file (I get an error if I try and convert from the .html file). However, the PDF that is produced have massive margins (like this http://johnmacfarlane.net/pandoc/demo/example13.pdf ). How c...
How to randomize (or permute) a dataframe rowwise and columnwise?
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Random Samples and Permutations ina dataframe
If it is in matrix form convert into data.frame
use the sample function from the base package
indexes = sample(1:nrow(df1), size=1*nrow(df1))
Random Samples and Permutations
How do I Convert DateTime.now to UTC in Ruby?
If I have d = DateTime.now , how do I convert 'd' into UTC (with the appropriate date)?
7 Answers
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Ruby: Easiest Way to Filter Hash Keys?
...nt.
If you're using Ruby, you can use the select method. You'll need to convert the key from a Symbol to a String to do the regexp match. This will give you a new Hash with just the choices in it.
choices = params.select { |key, value| key.to_s.match(/^choice\d+/) }
or you can use delete_if an...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...面我们来总结一下我的分析过程。转自：http://www.111cn.net/sys/Windows/55779.htm
一、问题的由来。
URL就是网址，只要上网，就一定会用到。
一般来说，URL只能使用英文字母、阿拉伯数字和某些标点符号，不能使用其他文字和符号...
Difference between JSON.stringify and JSON.parse
...json.stringify(json.parse(data))?i saw this in code...so this is basically converting json data in to object and then again reconverting it to json data..
– HIRA THAKUR
Jul 22 '13 at 11:00
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Relative frequencies / proportions with dplyr
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Error in bind_rows_(x, .id) : Column am` can't be converted from numeric to character`
– f0nzie
Aug 6 '18 at 23:41
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How to check for an active Internet connection on iOS or macOS?
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} catch {
print("Unable to start notifier")
}
Objective-C
1) Add SystemConfiguration framework to the project but don't worry about including it anywhere
2) Add Tony Million's version of Reachability.h and Reachability.m to the project (found here: https://github.com/tonymillion/Reachabil...