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What is the proper declaration of main?
...ogram. argc is the number of arguments in the argv array.
Usually, argv[0] contains the name of the program, but this is not always the case. argv[argc] is guaranteed to be a null pointer.
Note that since an array type argument (like char*[]) is really just a pointer type argument in disguise, ...
What should I use Android AccountManager for?
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edited May 23 '17 at 10:31
Community♦
111 silver badge
answered Dec 23 '11 at 10:07
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Scatterplot with too many points
I am trying to plot two variables where N=700K. The problem is that there is too much overlap, so that the plot becomes mostly a solid block of black. Is there any way of having a grayscale "cloud" where the darkness of the plot is a function of the number of points in an region? In other words, ins...
PHP file_get_contents() and setting request headers
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320
Actually, upon further reading on the file_get_contents() function:
// Create a stream
$opts = ...
How do I view the SQL generated by the Entity Framework?
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480
You can do the following:
IQueryable query = from x in appEntities
where x.id == 3...
Rails Admin vs. ActiveAdmin [closed]
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edited Jul 1 '11 at 10:06
Dogbert
181k3434 gold badges316316 silver badges332332 bronze badges
answ...
Linux Shell脚本参数的获取方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Linux Shell脚本参数的获取方法$0 (脚本名)，$1-$9 参数$# 参数个数（脚本名除外）$? 取上个命令退出码（exit xx, 函数return xx）一般0成功,1失败#! bin shecho ...$0 (脚本名)，$1-$9 参数$# 参数个数（脚本名除外）
$? 取上个命令退出码（exit ...
【解决】标准库std::min/std::max 与 Windows.h中的宏 min/max 冲突问题 - ...
...使用std::min std::max会出现错误。int main(){ int x = std::max(0, 1); int y = std::min(-1, 0);}error C2589: & 在包含了 Windows.h 的 C++ 源代码中使用 std::min/std::max 会出现错误。
int main()
{
int x = std::max(0, 1);
int y = std::min(-1, 0);
}
报错...
Add regression line equation and R^2 on graph
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+100
Here is one solution
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
l...
Twitter Bootstrap - how to center elements horizontally or vertically
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Update: while this answer was likely correct back in early 2013, it should not be used anymore. The proper solution uses offsets.
As for other users suggestion there are also native bootstrap classes available like:
class="text-center"
class="pagination-centered"
thanks to @Henn...