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Why is the shovel operator (
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264
Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340...
Algorithm to generate a crossword
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62
I came up with a solution which probably isn't the most efficient, but it works well enough. Bas...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
.... 对象序列化的介绍
(1) .NET支持对象序列化的几种方式
(2) 几种序列化的区别
(3) 使用特性对序列化的控制
2. 使用二进制序列化和反序列化
(1) 二进制序列化与反序列化的程序示例
(2) 总结
3. 使用SOAP方式序列化和反序列化
(1...
Catch Ctrl-C in C
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212
With a signal handler.
Here is a simple example flipping a bool used in main():
#include &l...
How can you use an object's property in a double-quoted string?
...double-quoted string it will be replaced by that variable's value:
$foo = 2
"$foo"
becomes
"2"
If you don't want that you have to use single quotes:
$foo = 2
'$foo'
However, if you want to access properties, or use indexes on variables in a double-quoted string, you have to enclose that sub...
Histogram using gnuplot?
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226
yes, and its quick and simple though very hidden:
binwidth=5
bin(x,width)=width*floor(x/width...
How do I allow HTTPS for Apache on localhost?
...f you don't have a copy, you'll need to download it. My copy was in Apache2\bin folder which is how I reference it below.
Steps:
Ensure you have write permissions to your Apache conf folder
Open a command prompt in Apache2\conf folder
Type
..\bin\openssl req -config openssl.cnf -new -out blarg....
How do Trigonometric functions work?
... |
edited Dec 5 '08 at 21:09
answered Dec 5 '08 at 20:59
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What is the fastest way to get the value of π?
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22 Answers
22
Active
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What does asterisk * mean in Python? [duplicate]
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294
See Function Definitions in the Language Reference.
If the form *identifier is
present, ...