大约有 1,300 项符合查询结果（耗时：0.0130秒） [XML]
Select rows which are not present in other table
...ll of them standard SQL.
NOT EXISTS
Often fastest in Postgres.
SELECT ip
FROM login_log l
WHERE NOT EXISTS (
SELECT -- SELECT list mostly irrelevant; can just be empty in Postgres
FROM ip_location
WHERE ip = l.ip
);
Also consider:
What is easier to read in EXISTS subque...
How to get IP address of the device from code?
Is it possible to get the IP address of the device using some code?
27 Answers
27
...
Deny all, allow only one IP through htaccess
I'm trying to deny all and allow only for a single IP. But, I would like to have the following htaccess working for that single IP. I'm not finding a way to have both working: the deny all and allow only one, plus the following options:
...
How to identify server IP address in PHP
How can I identify the server IP address in PHP?
15 Answers
15
...
虚拟机ubuntu与宿主机NAT方式设定静态IP共享上网 - 更多技术 - 清泛网 - 专...
虚拟机ubuntu与宿主机NAT方式设定静态IP共享上网前阵子虚拟机安装Ubuntu 10.10后一直不能上网，折腾了好几天终于可以了，在这里写个记录备忘哈哈ubuntu安装参考 点击打开链接http: ...前阵子虚拟机安装Ubuntu 10.10后一直不能上...
Datatype for storing ip address in SQL Server
What datatype should I choose for storing an IP Address in a SQL Server?
11 Answers
11...
Get local IP address in node.js
...ave a simple node.js program running on my machine and I want to get local IP address of PC on which my program is running. How do I get it with node.js?
...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...-wild match. */
if (protocol == answer->protocol) {
if (protocol != IPPROTO_IP)
break;
} else {
..
}
}
...
sock->ops = answer->ops; //inet_dgram_ops
answer_prot = answer->prot; //udp_prot
...
}
static struct inet_protosw inetsw_array[] =
{
...
{
.type = ...
How to get the IP address of the docker host from inside a docker container
As the title says. I need to be able to retrieve the IP address the docker hosts and the portmaps from the host to the container, and doing that inside of the container.
...
Getting the location from an IP address [duplicate]
...ieve information like the city, state, and country of a visitor from their IP address, so that I can customize my web page according to their location. Is there a good and reliable way to do this in PHP? I am using JavaScript for client-side scripting, PHP for server-side scripting, and MySQL for th...