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Read url to string in few lines of java code
...
The 400 error is because you need a key to use this webservice. The problem is that this webservice send a bit of xml then take several seconds to do some processing and then send the second part of the xml. The InputStream is closed...
RESTful call in Java
...System.out.println(response.getEntity());
} else {
System.out.println("ERROR! " + response.getStatus());
System.out.println(response.getEntity());
}
Restlet Example
Form form = new Form();
form.add("x", "foo");
form.add("y", "bar");
ClientResource resource = new ClientResource("http:...
解决 Error 503: The specified address is not a valid Bluetooth MAC add...
...ss is not a valid
Bluetooth MAC address.
原因是地址格式不对，蓝牙列表可能显示不对。大概率是经典蓝牙和 ble 低功耗蓝牙的设备列表处理的方式不对。
本例中就是经典蓝牙，但是用的 ble 的方式显示导致的问题。
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...CCEPT,所以我们就写需要DROP(放弃)的链.
减少不安全的端口连接
[root@tp ~]# iptables -A OUTPUT -p tcp --sport 31337 -j DROP
[root@tp ~]# iptables -A OUTPUT -p tcp --dport 31337 -j DROP
有些些特洛伊木马会扫描端口31337到31340(即黑客语言中的 elite 端口)上...
社交应用组件 · App Inventor 2 中文网
...文档（保存文本到文档）、地图（文本作为搜索地址）、蓝牙（传输文本数据）之类的App，没有打印机相关的，打印机App在分享文件的方式才弹出。
分享文件、分享文件及消息 弹出其他App的界面：分享文件的方式弹出的App...
Set selected item of spinner programmatically
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An error with this code is that @Boardy want the selection of Category 2 which I suppose is a String (assuming he tried using Spinner.SelectedText = "Category 2") but the above code is for a long.
– Arun Ge...
How to check if an element does NOT have a specific class?
... that don't have a certain class, you can use the not selector:
// select all divs that don't have class test
$( 'div' ).not( ".test" );
$( 'div:not(.test)' ); // <-- alternative
share
|
impr...
Convert a RGB Color Value to a Hexadecimal String
...ger g = sGreen.getValue();
Integer b = sBlue.getValue();
Color hC;
hC = new Color(r,g,b);
String hex = Integer.toHexString(hC.getRGB() & 0xffffff);
while(hex.length() < 6){
hex = "0" + hex;
}
hex = "Hex Code: #" + hex;
return hex;
}
...
Sending HTTP POST Request In Java
..., "bloggs")
};
post.setRequestBody(data);
// execute method and handle any error responses.
...
InputStream in = post.getResponseBodyAsStream();
// handle response.
for more information check this url: http://hc.apache.org/
...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...错提示。
QUOTE:
Q：
smtpd认证失败：无权限连接authdaemond
Nov 20 15:58:54 bsd6 postfix/smtpd[900]: warning: SASL authentication failure: cannot connect to Courier authdaemond: Permission denied
A:
检查 authdaemond的socket所在目录及其父目录的属...