大约有 23,000 项符合查询结果（耗时：0.0243秒） [XML]
Deprecated: mysql_connect()
...f the variables.
My connection file: connection.php
<?php
$host='IP or Server Name (usually "localhost") ';
$user='Database user';
$password='Database password';
$db='Database name';
//PHP 5.4 o earlier (DEPRECATED)
$con = mysql_connect($host,$user,$password) or exit("Connection Erro...
How to dismiss notification after action has been clicked
...e(): Bundle extras = getIntent().getExtras(); if (extras != null) { String tag = extras.getString(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_TAG); int id = extras.getInt(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_ID); if (NotificationReceiver.NOTIFICATION_ID == id && Not...
What is the MySQL VARCHAR max size?
...re and after MySQL 5.0.3
Values in VARCHAR columns are variable-length strings. The length can be specified as a value from 0 to 255 before MySQL 5.0.3, and 0 to 65,535 in 5.0.3 and later versions. The effective maximum length of a VARCHAR in MySQL 5.0.3 and later is subject to the maximum row s...
NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...589120/479632
server {
location / {
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $http_host;
# these two lines here
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_pass http://localhost:5000;
}
}
Un...
Ruby: How to get the first character of a string
How can I get the first character in a string using Ruby?
13 Answers
13
...
How to delete duplicate lines in a file without sorting it in Unix?
...hen seen[$0] == 2, and so on.
Awk evaluates everything but 0 and "" (empty string) to true. If a duplicate line is placed in seen then !seen[$0] will evaluate to false and the line will not be written to the output.
share
...
Is there a wikipedia API just for retrieve content summary?
...:
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&titles=Stack%20Overflow
or use pageids
https://en.wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1&...
Get individual query parameters from Uri [duplicate]
I have a uri string like: http://example.com/file?a=1&b=2&c=string%20param
9 Answers
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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...拓展：数据表格视图，表格形式显示列表
【剪贴板】 Clipboard 拓展：实现剪贴板的复制粘贴功能
【Socket】 ClientSocketAI2Ext 拓展加强版：TCP/IP传输协议
【FTP】 FTP 客户端拓展：FTP协议连接、上传、下载、创建、修改目录等
【...
Easiest way to copy a single file from host to Vagrant guest?
...
As default, the first vagrant instance use ssh port as 2222, and its ip address is 127.0.0.1 (You may need adjust the port with real virtual host)
==> default: Forwarding ports...
default: 22 (guest) => 2222 (host) (adapter 1)
So you can run below command to copy your local file t...