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[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
...of(ncb) );
ncb.ncb_command = NCBRESET;
ncb.ncb_lana_num = lana_num; // 指定网卡号
// 首先对选定的网卡发送一个NCBRESET命令，以便进行初始化
uRetCode = Netbios( &ncb );
memset( &ncb, 0, sizeof(ncb) );
ncb.ncb_command = NCBASTAT;
ncb.ncb_lana_num = lana_nu...
【解决】App Inventor 2 如何下载/保存网络图片？ - App Inventor 2 中文网...
...为真，这样才能将目标网络图片保存到本地设备：如果不指定相应文件名称属性，则保存在本地的图片文件默认是以时间戳作为文件名的一部分的，如下：重新请求一次，文件名发生了变化：指定相应文件名称属性，则图片文件...
App Inventor 2 如何下载/保存网络图片？ - App Inventor 2 中文网 - 清泛I...
...为真，这样才能将目标网络图片保存到本地设备。如果不指定响应文件名称属性，则保存在本地的图片文件默认是以时间戳作为文件名的一部分的，如下：重新请求一次，文件名发生了变化：指定响应文件名称属性，则图片文件...
How to create GUID / UUID?
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UUIDs (Universally Unique IDentifier), also known as GUIDs (Globally Unique IDentifier), according to RFC 4122, are identifiers designed to provide certain uniqueness guarantees.
While it is possible to implement an RFC-comp...
How can I generate a unique ID in Python? [duplicate]
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Perhaps uuid.uuid4() might do the job. See uuid for more information.
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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
...示器所提供的服务程序。使用 INT 10H 中断服务程序时，先指定 AH 寄存器为下表编号其中之一，该编号表示欲调用的功用，而其他寄存器的详细说明，参考表后文字，当一切设定好之后再调用 INT 10H。底下是它们的说明：
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UIDevice uniqueIdentifier deprecated - What to do now?
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A UUID created by CFUUIDCreate is unique if a user uninstalls and re-installs the app: you will get a new one each time.
But you might want it to be not unique, i. e. it should stay the same when the user uninstalls and re-ins...
UUID max character length
We are using UUID as primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char leng...
Generate a random alphanumeric string in Cocoa
...yourself to hex characters only, then the simplest option is to generate a UUID:
NSString *uuid = [NSUUID UUID].UUIDString;
Example output: 16E3DF0B-87B3-4162-A1A1-E03DB2F59654.
If you want a smaller random string then you can grab just the first 8 characters.
It's a version 4 UUID which means ...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...什么Bully算法？要明白这个我们先看看这两种架构：
指定主节点的架构，这种架构一般都会申明一个节点为主节点，其他节点都是从节点，如我们常用的mysql就是这样。但是这样架构我们在第一节说了整个集群如果主节点挂...