大约有 2,800 项符合查询结果（耗时：0.0088秒） [XML]
携程遭超长宕机：内部数据管理恐存严重漏洞 - 资讯 - 清泛网 - 专注C/C++及内核技术
...析称，根据目前官方透露的信息判断，携程网站数据层、网络层均没问题，那么问题就在应用层或存储逻辑层。很可能关键性的系统部署和配置数据已被删除或篡改了。
不过，前支付宝运维团队创始人智锦撰文指出，携程网宕...
Check status of one port on remote host [closed]
...or Windows, Linux, and Mac OS X.
For example, check for telnet on a known ip:
nmap -A 192.168.0.5/32 -p 23
For example, look for open ports from 20 to 30 on host.example.com:
nc -z host.example.com 20-30
share
...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...
ExecWait "msiexec /quiet /i msxmlchs.msi"
如何判断已经装过的msi软件，guid可以从老的msi里去拿
ReadRegStr $0 HKLM "Software\Microsoft\Windows\CurrentVersion\Uninstall\{36B84F1C-C2C0-4B62-8643-98B3F4DAC8BB}" "DisplayName"
${If} $0 != ""
; MessageBox MB_OK "你已经安...
C# Stream流使用总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...yStream类
MemoryStream类主要用于操作内存中的数据。比如说网络中传输数据时可以用流的形式，当我们收到这些流数据时就可以声明MemoryStream类来存储并且处理它们。
MemoryStream操作字符串：
string str = "Hi!你好！";
byte[] array = Enc...
Select datatype of the field in postgres
...QL allows you to have the same table name (even an identical table) in multiple schemas. The robust way to write that WHERE clause considers that possibility: where table_catalog = ? and table_schema = ? and table_name = ?; But this information_schema view doesn't consider that the DDL might have us...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
...ed, but that is per client per server port, and needs clarifying.
Each TCP/IP packet has basically four fields for addressing. These are:
source_ip source_port destination_ip destination_port
< client > < server >
Inside the TCP stack, these four fields a...
Get the IP address of the remote host
... class, which contains ServerVariables property which can provide us the IP address from REMOTE_ADDR property value.
5 ...
Objective-C 2.0 Mac和iOS开发实践指南 PDF扫描版 - 文档下载 - 清泛网 - ...
...者：李强 等
Robert Clair，拥有20年以上的商业图形软和CAD软件开发经验。在过去的8年中，他主要从事MacOSx和iPhone开发。作为Chromatic Bytes公司的负责人，他曾经设计过OSX软件（Zeus Draw和Shades）以及iPhone软件（Zeus Draw Mobile和Orfeo）。...
print call stack in C or C++
...ce with demangled function & method names.
std::string backtrace(int skip = 1)
{
void *callstack[128];
const int nMaxFrames = sizeof(callstack) / sizeof(callstack[0]);
char buf[1024];
int nFrames = backtrace(callstack, nMaxFrames);
char **symbols = backtrace_symbols(callstack...
How to connect to Mysql Server inside VirtualBox Vagrant?
...here to comment), this command can be used in something like an Ansible script to automate granting root user permissions: mysql -e "create user 'root'@'10.0.2.2' identified by 'vagrant'; grant all privileges on *.* to 'root'@'10.0.2.2' with grant option; flush privileges;"
– K...