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栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... Queue queue = new Queue();
//入队操作
for (int i = 0; i < 5; i++) {
queue.add(i);
}
//出队操作
System.out.println(queue.pop());
System.out.println(queue.pop());
System.out.println(queue.pop());
}
}
运...
Changing the resolution of a VNC session in linux [closed]
I use VNC to connect to a Linux workstation at work. At work I have a 20" monitor that runs at 1600x1200, while at home I use my laptop with its resolution of 1440x900.
If I set the vncserver to run at 1440x900 I miss out on a lot of space on my monitor, whereas if I set it to run at 1600x1200 it d...
Labels for radio buttons in rails form
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answered Apr 14 '09 at 5:13
Matt HaleyMatt Haley
3,98433 gold badges2222 silver badges1616 bronze badges
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How to get the last element of an array in Ruby?
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205
Use -1 index (negative indices count backward from the end of the array):
a[-1] # => 5
b[-1...
How to remove leading and trailing zeros in a string? Python
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What about a basic
your_string.strip("0")
to remove both trailing and leading zeros ? If you're only interested in removing trailing zeros, use .rstrip instead (and .lstrip for only the leading ones).
[More info in the doc.]
You could use some list comprehens...
How to replace a single word under cursor?
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answered Jan 9 '13 at 10:48
Brian AgnewBrian Agnew
248k3535 gold badges309309 silver badges420420 bronze badges
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.NET - How can you split a “caps” delimited string into an array?
...-z]))", "$1 ")
If you need to handle digits:
/([A-Z]+(?=$|[A-Z][a-z]|[0-9])|[A-Z]?[a-z]+|[0-9]+)/g
Regex.Replace(s,"([a-z](?=[A-Z]|[0-9])|[A-Z](?=[A-Z][a-z]|[0-9])|[0-9](?=[^0-9]))","$1 ")
share
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The role of #ifdef and #ifndef
...d" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifndef one
printf("one is not defined ");
#endif
is equivalent to:
printf("one is defined ");
since one is defined so the ifdef is true and the ifndef is false. It ...
Getting and removing the first character of a string
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170
See ?substring.
x <- 'hello stackoverflow'
substring(x, 1, 1)
## [1] "h"
substring(x, 2)
## ...
npm command to uninstall or prune unused packages in Node.js
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 28 '14 at 21:20
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