大约有 10,000 项符合查询结果（耗时：0.0154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
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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
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马云、王健林为什么都看中了上海？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...是两个近期发生的支付宝和万达将总部落地上海的案例，让我们看下两家公司选择上海的脑回。
上个月末，消息称支付宝的注册地址已由杭州更改为上海浦东新区，但其实，支付宝移址上海的事情谋划已久。在2012年，支付宝...
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?
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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...
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...
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.
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EC2 instance has no public DNS
...+1 you now also need to set your subnet to allow auto-assignment of public ip. Right click your subnet > modify auto-assign public ip > check the box
– Adam Hey
Aug 7 '15 at 5:56
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