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ros 基本调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...1.简介
2.可用的调试方法
2.1通过文本消息调试
2.1.1串行端口
2.1.1.1虚拟机
2.1.1.2真实电脑——物理串行线
2.1.1.3基于freebsd的串行终端
2.1.2将调试文字输出到文件
2.1.3将调试文字输出到屏幕
2.1.4修改波特率（数据传输速率）
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How does push notification technology work on Android?
...hone, used by all apps: installing a new app that uses GCM doesn't add any extra load.
The first step in GCM is that a third-party server (such as an email server) sends a request to Google's GCM server. This server then sends the message to your device, through that open connection. The Android sy...
Accessing localhost:port from Android emulator
...ettings in simulator. Quick, nice and portable to other computers without extra work.
– John Pang
Nov 23 '18 at 14:33
...
Get local IP address
...
To get local Ip Address:
public static string GetLocalIPAddress()
{
var host = Dns.GetHostEntry(Dns.GetHostName());
foreach (var ip in host.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
return ip.ToStr...
How to get my IP address programmatically on iOS/macOS?
...un0"
#define IP_ADDR_IPv4 @"ipv4"
#define IP_ADDR_IPv6 @"ipv6"
- (NSString *)getIPAddress:(BOOL)preferIPv4
{
NSArray *searchArray = preferIPv4 ?
@[ /*IOS_VPN @"/" IP_ADDR_IPv4, IOS_VPN @"/" IP_ADDR_IPv6,*/ IOS_WIFI @"/" IP_ADDR_IPv4, IOS_WIFI @"/" IP_ADDR_IPv6,...
How to get IP address of the device from code?
...ressUtils;
public class Utils {
/**
* Convert byte array to hex string
* @param bytes toConvert
* @return hexValue
*/
public static String bytesToHex(byte[] bytes) {
StringBuilder sbuf = new StringBuilder();
for(int idx=0; idx < bytes.length; idx++) {...
How to change XAMPP apache server port?
...lder]/apache/conf/httpd.conf
Open the httpd.conf file and search for the String:
Listen 80
This is the port number used by XAMMP.
Then search for the string ServerName and update the Port Number which you entered earlier for Listen
Now save and re-start XAMPP server.
...
How to get a user's client IP address in ASP.NET?
...otcha: HTTP_X_FORWARDED_FOR returns multiple IP addresses"
C#
protected string GetIPAddress()
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
string ipAddress = context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (!string.IsNullOrEmpty(ipAddress))
{
...
HTTP 1.0 vs 1.1
...th the body.
Much more:
Digest authentication and proxy authentication
Extra new status codes
Chunked transfer encoding
Connection header
Enhanced compression support
Much much more.
share
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i...
Stopping scripters from slamming your website
... I don't quite understand the "spinner" concept. Is this just an extra piece of data that is placed inside an html <form> and sent upon submission? Because a bot can easily scrape that as well.
– Ponkadoodle
Sep 6 '13 at 19:22
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