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C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区，为创新赋能！
...还不够深入，所以写下了这篇文章。为了方便你把代码copy过去编译和调试，我把代码列在下面：#include <stdio.h>
struct str{
    int len;
    char s[0];
};
struct foo {
    struct str *a;
};
int main(int argc, char** argv) {
&n...
How do I trim leading/trailing whitespace in a standard way?
Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution.
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Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
In ggplot2 how can I stop axis labels being abbreviated - e.g. 1e+00, 1e+01 along the x axis once plotted? Ideally, I want to force R to display the actual values which in this case would be 1,10 .
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How to check if a variable exists in a FreeMarker template?
I have a Freemarker template which contains a bunch of placeholders for which values are supplied when the template is processed. I want to conditionally include part of the template if the userName variable is supplied, something like:
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Calculating Pearson correlation and significance in Python
I am looking for a function that takes as input two lists, and returns the Pearson correlation , and the significance of the correlation.
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Pointer arithmetic for void pointer in C
When a pointer to a particular type (say int , char , float , ..) is incremented, its value is increased by the size of that data type. If a void pointer which points to data of size x is incremented, how does it get to point x bytes ahead? How does the compiler know to add x to value of ...
undefined method `source_index' for Gem:Module (NoMethodError)
I'm running a Rails 2.3.5 application and upon running script/server I am shown the following:
5 Answers
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Defining a HTML template to append using JQuery
I have got an array which I am looping through. Every time a condition is true, I want to append a copy of the HTML code below to a container element with some values.
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What is the difference between '>' and a space in CSS selectors?
What's the point using this syntax
5 Answers
5
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CSS last-child selector: select last-element of specific class, not last child inside of parent?
...element in question is the last child of the container, not the last of a specific type of element. For that, you want :last-of-type
http://jsfiddle.net/C23g6/3/
As per @BoltClock's comment, this is only checking for the last article element, not the last element with the class of .comment.
b...