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New line in text area

...
This is my statement2</textarea> 
 Line Feed and 
 Carriage Return are HTML entitieswikipedia. This way you are actually parsing the new line ("\n") rather than displaying it as text. sh...
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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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Print commit message of a given commit in git

I need a plumbing command to print the commit message of one given commit - nothing more, nothing less. 6 Answers ...
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Pandas selecting by label sometimes return Series, sometimes returns DataFrame

In Pandas, when I select a label that only has one entry in the index I get back a Series, but when I select an entry that has more then one entry I get back a data frame. ...
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Number of lines in a file in Java

...ly need to know the number of lines in these files, usually I open them up and read them line by line until I reach the end of the file ...
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Simplest code for array intersection in javascript

... Use a combination of Array.prototype.filter and Array.prototype.includes: array1.filter(value => array2.includes(value)) For older browsers, with Array.prototype.indexOf and without an arrow function: array1.filter(function(n) { return array2.indexOf(n) !== ...
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术

C++实现一款简单完整的聊天室服务器+客户端Linux下select函数实现的聊天服务器消息缓冲区类MessageBuffer,接收线程将受到的消息放入缓冲区,发送线程从缓冲区中取出消息MessageBuffe...目录: Linux下select函数实现的聊天服务器 基...
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Relationship between SciPy and NumPy

...numpy as _num from numpy import oldnumeric from numpy import * from numpy.random import rand, randn from numpy.fft import fft, ifft from numpy.lib.scimath import * The log10 function you get in scipy comes from numpy.lib.scimath. Looking at that code, it says: """ Wrapper functions to more user-f...
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Iterate over the lines of a string

... the main script confirms the three functions are equivalent. With timeit (and a * 100 for foo to get substantial strings for more precise measurement): $ python -mtimeit -s'import asp' 'list(asp.f3())' 1000 loops, best of 3: 370 usec per loop $ python -mtimeit -s'import asp' 'list(asp.f2())' 1000 ...
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Foreign Key to non-primary key

I have a table which holds data, and one of those rows needs to exist in another table. So, I want a foreign key to maintain referential integrity. ...