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炒股是世界难题！历史上那些名人炒股水平 - 轻松一刻 - 清泛网 - 专注C/C++...
...嘲说：“我在篮球场是天皇巨星，在股市却是个一年级小学生。”
著名作家郑振铎
抗战时期，时局动荡，物质匮乏，靠着微薄的稿费度日的郑振铎听朋友说最近有很多人买股票赚了钱，觉得这是一个生财之道。
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Only get hash value using md5sum (without filename)
...the md5sum.
md5=($(md5sum file))
echo $md5
# 53c8fdfcbb60cf8e1a1ee90601cc8fe2
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Is there a performance difference between i++ and ++i in C++?
...ation units. Compiler with g++ 4.5.
Ignore the style issues for now
// a.cc
#include <ctime>
#include <array>
class Something {
public:
Something& operator++();
Something operator++(int);
private:
std::array<int,PACKET_SIZE> data;
};
int main () {
Something s...
combinations between two lists?
...gic behind how to do it? If I convert my code to C or Java, I won't have access to zip or itertools(although they make life very very easy)
– user1735075
Oct 17 '12 at 13:39
3
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Difference between fprintf, printf and sprintf?
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You can also do very useful things with vsnprintf() function:
$ cat test.cc
#include <exception>
#include <stdarg.h>
#include <stdio.h>
struct exception_fmt : std::exception
{
exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3)));
char const* what() co...
无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...无人驾驶汽车的冰雪路面测试。此前，福特已经与密歇根大学工程团队合作，为汽车开发了可以在干燥天气使用的3D地图，使其辅助汽车正确行驶在公路上。但在恶劣天气情况下，上述系统不足以应对恶劣的环境。
从技术路径...
Difference between JSON.stringify and JSON.parse
..., please refer to the following links.
https://msdn.microsoft.com/library/cc836459(v=vs.94).aspx
https://msdn.microsoft.com/library/cc836466(v=vs.94).aspx
Secondly, the following sample will be helpful for you to understand these two functions.
<form id="form1" runat="server">
<div&...
Remove accents/diacritics in a string in JavaScript
How do I remove accentuated characters from a string?
Especially in IE6, I had something like this:
28 Answers
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Convert command line arguments into an array in Bash
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Actually the list of parameters could be accessed with $1 $2 ... etc.
Which is exactly equivalent to:
${!i}
So, the list of parameters could be changed with set, and ${!i} is the correct way to access them:
$ set -- aa bb cc dd 55 ff gg hh ii jjj kkk lll
$ for (...
How can I autoplay a video using the new embed code style for Youtube?
... will have to add this portion to your embedded video URL: ?autoplay=1&cc_load_policy=1.
It would look like this:
<iframe width="420" height="315" src="http://www.youtube.com/embed/
oHg5SJYRHA0?autoplay=1&cc_load_policy=1" frameborder="0"
allowfullscreen></iframe>
...