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How to use regex in String.contains() method in Java
... if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
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What is an efficient way to implement a singleton pattern in Java? [closed]
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CGContextDrawImage draws image upside down when passed UIImage.CGImage
...r Gelner
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How to find the mysql data directory from command line in windows
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...ByteArray扩展官方文档整理,更多信息请访问ullisroboterseite.de。
您的改进建议 联系方式: 不需要回复的可留空~ 意见反馈(300字以内): 给个鼓励也行呐~o~ 提供截...
If using maven, usually you put log4j.properties under java or resources?
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Just putting it in src/main/resources will bundle it inside the artifact. E.g. if your artifact...
Access event to call preventdefault from custom function originating from onclick attribute of tag
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How can I convert a string to a number in Perl?
I have a string which holds a decimal value in it and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string t...
Speed up the loop operation in R
...r(i in 1:1e5)a[i] <- i
})
user system elapsed
28.36 0.07 28.61
You can get an almost 100-times improvement by the simple action of pre-allocating memory:
system.time({
a <- rep(1, 1e5)
for(i in 1:1e5)a[i] <- i
})
user system elapsed
0.30 0.00 0.29
B...
