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C++ template中typename和class的区别 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ame 去标识 nested dependent type names（嵌套依赖类型名），在 base class lists（基类列表）中或在一个 member initialization list（成员初始化列表）中作为一个 base class identifier（基类标识符）时除外。
For example:
using namespace std;
template...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...'caches_model'.DIRECTORY_SEPARATOR.'caches_data'.DIRECTORY_SEPARATOR);
pc_base::load_app_func('util','content');
class type {
private $db;
function __construct() {
$this->db = pc_base::load_model('content_model');
}
/**
* 按照模型搜索
*/
public function init() {
if(!i...
一体化的Linux系统性能和使用活动监控工具–Sysstat - 更多技术 - 清泛网 -...
...ix 选项配置了“/usr”内容。
# yum remove sysstat [On RedHat based System]
# apt-get remove sysstat [On Debian based System]
# ./configure --prefix=/usr
# make
# make install
现在，使用相同的“”mpstat命令和“-V”选项再一次确认更新的版本。
# mpsta...
优惠券批量生成及导入的思路 - 闲聊区 - 清泛IT论坛，有思想、有深度
...;$n = mt_rand(0, PHP_INT_MAX);
$m = base_convert($m, 10, 36); // 主随机
$n = base_convert($n, 10, 36); // 辅随机
$r = substr($m . $n, 0, 16);
...
Should I use an exception specifier in C++?
...w listed exceptions (possibly none). bullet Enable compiler optimizations based on the knowledge that only listed exceptions (possibly none) will be thrown. The above expectations are, again, deceptively close to being correct" No, the above expectations are absolutely correct.
...
Python: Get the first character of the first string in a list?
...t first char) of string.
If you have the following structure:
mylist = ['base', 'sample', 'test']
And want to get fist char for the first one string(item):
myList[0][0]
>>> b
If all first chars:
[x[0] for x in myList]
>>> ['b', 's', 't']
If you have a text:
text = 'b...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...cinctly what the env shebang does, rather than saying "chooses the program based on your system configuration"
– De Novo
Nov 16 '18 at 17:57
add a comment
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Remove a character from the end of a variable
...cludes realpath. For instance, I'm running Linux Mint 17 (which is Ubuntu based) and it doesn't have it by default. It's in the repos, but it's not installed automatically. That's what the link I posted was discussing.
– Matthew
Jul 11 '14 at 13:30
...
Git commits are duplicated in the same branch after doing a rebase
...
You should not be using rebase here, a simple merge will suffice. The Pro Git book that you linked basically explains this exact situation. The inner workings might be slightly different, but here's how I visualize it:
C5 and C6 are temporarily pull...
Pattern to avoid nested try catch blocks?
...mes that Calc1Exception, Calc2Exception, and Calc3Exception share a common base class.
– Wyzard
Oct 17 '11 at 16:18
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