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Makefile经典教程（入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...把变量的值再当成变量”。先看一个例子：
x = y
y = z
a := $($(x))
在这个例子中，$(x)的值是“y”，所以$($(x))就是$(y)，于是$(a)的值就是“z”。（注意，是“x=y”，而不是“x=$(y)”）
我们还可以使用更多的层次：
x = y...
How to change href of tag on button click through javascript
...myLink").onclick = function() {
document.getElementById("abc").href="xyz.php";
return false;
};
</script>
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Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...把变量的值再当成变量”。先看一个例子：
x = y
y = z
a := $($(x))
在这个例子中，$(x)的值是“y”，所以$($(x))就是$(y)，于是$(a)的值就是“z”。（注意，是“x=y”，而不是“x=$(y)”）
我们还可以使用更多的层次：
x = y...
How to print the current Stack Trace in .NET without any exception?
...r
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answered Feb 10 '09 at 9:47
SpenceSpence
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Apply style to only first level of td tags
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answered Mar 5 '09 at 1:39
bobincebobince
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How to customise file type to syntax associations in Sublime Text?
... Air
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answered Nov 12 '11 at 13:38
TedGTedG
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Why an interface can not implement another interface?
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answered Oct 13 '10 at 6:59
Jigar JoshiJigar Joshi
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How to get MD5 sum of a string using python?
...aimin
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answered Mar 14 '11 at 10:43
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Convert SVG to PNG in Python
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