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What is 'Pattern Matching' in functional languages?
I'm reading about functional programming and I've noticed that Pattern Matching is mentioned in many articles as one of the core features of functional languages.
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财务计算器拓展：复利计算、平均值、中位数、众数、方差计算 - App Invento...
... Calculator extension, you can:Format Currency: Format integers as locale-specific currency, making your app user-friendly for audiences worldwide.Calculate Mean: Compute the mean (average) of a list of integer numbers.Calculate Standard Deviation: Determine the standard deviation of a list of integ...
Remove large .pack file created by git
...anch and merged and then had to remove them and now I'm left with a large .pack file that I don't know how to get rid of.
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How do I remove newlines from a text file?
I have the following data, and I need to put it all into one line.
19 Answers
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Dynamic variable names in Bash
I am confused about a bash script.
14 Answers
14
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ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...步骤如下：
1）下载zeromq的源代码，ZeroMQ的官方网址：http://zeromq.org/
百度网盘的下载地址 ： http://pan.baidu.com/s/1mg61em0
ZMQ API 的 百度网盘 下载地址 ： http://pan.baidu.com/s/1jGDqXfS
注：在本文写作时，ZMQ版本已经升级到...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
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This is the full step-by-step procedure to resync a master-slave replication from scratch:
At the master:
RESET MASTER;
FLUSH TABLES WITH READ LOCK;
SHOW MASTER STATUS;
And copy the values of the result of the last command somewhere.
Withou...
Add a number to each selection in Sublime Text 2, incremented once per selection
Is there a way to add insert a number that is incremented once per cursor in Sublime Text 2?
3 Answers
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How to validate an email address in JavaScript
Is there a regular expression to validate an email address in JavaScript?
95 Answers
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Turning multi-line string into single comma-separated
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You can use awk and sed:
awk -vORS=, '{ print $2 }' file.txt | sed 's/,$/\n/'
Or if you want to use a pipe:
echo "data" | awk -vORS=, '{ print $2 }' | sed 's/,$/\n/'
To break it down:
awk is great at handling data broken down into fields
-vORS=, sets the "ou...