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9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...丢弃。
4.配置服务项
利用iptables，我们可以对日常用到的服务项进行安全管理，比如设定只能通过指定网段、由指定网口通过SSH连接本机：
iptables -A INPUT -i eth0 -p tcp -s 192.168.100.0/24 --dport 22 -m state --state NEW,ESTABLESHED -j ACCEPT
...
前有网易喂猪，后有宜信养牛 - 资讯 - 清泛网 - 专注C/C++及内核技术
...养牛吗？宜信做的事情是俯下身去，把手弄脏，真正服务到客户，对于金融公司原有的矜持，早已抛去九霄...你见过互联网公司喂猪，可见过金融公司养牛吗？宜信做的事情是俯下身去，把手弄脏，真正服务到客户，对于金融公...
File Upload ASP.NET MVC 3.0
...GetExtension(Request.Files[0].FileName).ToLower();
if (extension != ".pdf" && extension != ".doc" && extension != ".docx" && extension != ".rtf" && extension != ".txt")
{
ModelState.AddModelError("uploadError", "Supported file extensions: pdf, doc, do...
Pandoc markdown page break
... to use raw LaTeX \newpage. This works perfectly when outputting LaTeX (or pdf created through LaTeX). However, one will run into problems when targeting different formats like HTML or docx.
A simple solution when targeting other formats is to use a pandoc filter which can transform the internal do...
Skip List vs. Binary Search Tree
...ontinuations? generators are basically a special case of continuations for python.
– Claudiu
Sep 29 '10 at 20:50
1
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VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...空间偏小，扩大为1.5T
先把LUN60和LUN80上上的虚拟机迁移到其他的LUN空间上
然后在存储上做扩容和收缩操作
完成操作之后 问题来了
ESX1 ESX2可以在设备中可以认到LUN 60 LUN80 容量显示正确，但不能正确识别文件格...
Disabling browser print options (headers, footers, margins) from page?
...from the margins; see What does the mozdisallowselectionprint attribute in PDF.js do?.
Other browsers
Unfortunately, there seems to be no way to resolve this problem in Internet Explorer, so you'll have to resort to PDF or ask users to disable margin texts.
The same goes for Safari; according to a c...
Why does C++11 not support designated initializer lists as C99? [closed]
... standard: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0329r4.pdf
This brings limited support for c99's Designated Initializers. This limitation is described as follows by C.1.7[diff.decl].4, given:
struct A { int x, y; };
struct B { struct A a; };
The following Designated Initializa...
VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...中，发现简单的在Storage Memory区域拷贝或粘贴文件不能达到硬件量测的要求，需要直接通过编写ARM汇编指令让CPU直接对Memory进行读写数据。
以前没有用VS2005编写过汇编代码，所以走了点弯路，一直试图用内嵌汇编的方式来build...
Why can't C++ be parsed with a LR(1) parser?
...biguities".
It goes on to give a number of examples (see page 147 of the pdf).
The example is:
int(x), y, *const z;
meaning
int x;
int y;
int *const z;
Compare to:
int(x), y, new int;
meaning
(int(x)), (y), (new int));
(a comma-separated expression).
The two token sequences have the ...