大约有 2,200 项符合查询结果（耗时：0.0153秒） [XML]
求助各位大佬！ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...能正确获取，但是拍完照的一瞬间报错，然后过几秒正确显示识别的信息。显示完后一直显示报错警告框，然后app就卡住了{:8_372:}请提供一下报错相关的截图，这个报错信息更为关键！同：https://bbs.tsingfun.com/thread-2349-1-1.html
App Inventor 2 “虚拟”屏幕：同一屏幕展示多屏内容，模拟切换屏幕 · App...
...多个屏幕切换效率也会低一些，采用同一屏幕上不同布局显示/隐藏即可实现屏幕切换效果，而且效率更高！
更多技术细节»。
开发步骤
使用多个布局替代多屏幕，布局中放置原本多个屏幕中的组件，高度、...
Bash Script: count unique lines in file
I have a large file (millions of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
...
Show MySQL host via SQL Command
... possible to show the current connections host.
Not connection_id, but the IP Address or Name of the host.
4 Answers
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Vsphere 6 集群上 安装 oracle rac 遇到的共享磁盘故障 - 数据库(内核) - ...
...重新安装系统和ORACLE RAC 故障现象依旧
Linux 系统日志显示 写入磁盘错误
Oracle 日志显示 不能访问物理存储
第一次死机
对比互联网上搜索到的方法对比 发现SCSI总线不一样。
参考文档http://www.doc88.com/p-5416264066182.h...
Is there a way to stop Google Analytics counting development work as hits?
I have added the JavaScript that I need to the bottom of my pages so that I can make use of Google Analytics. Only problem is that I am sure that it is counting all my development work as hits. Seeing as I probably see some of those pages a hundred times a day it will really skew my readings. Is the...
iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...om"];
[[UIApplication sharedApplication] openURL:url];
14.利用UIWebView显示pdf文件，网页等等
<UIWebViewDelegate>
UIWebView *webView = [[UIWebView alloc]initWithFrame:self.view.bounds];
webView.delegate = self;
webView.scalesPageToFit = YES;
webView.autoresizingMask = UIViewAuto...
[精华]VC++对话框程序打印及打印预览的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...机，而CView::OnFilePrintPreview则将输出发送到程序窗口上方显示的预览窗口显示一个或两个打印页面的复制外观。利用上面加入的缺省打印支持，只能打印或预览图形的一个打印页面，一个页中放不下的部分则放弃，为了加强程序...
Custom domain for GitHub project pages
...99.111.153
Check the Github docs to confirm these are the most up-to-date IPs.
Create a CNAME record to point www.example.com to YOUR-GITHUB-USERNAME.github.io.
This is the most confusing part.
Note the YOUR-GITHUB-USERNAME NOT the GitHub repo name! The value of YOUR-GITHUB-USERNAME is determine...
Check status of one port on remote host [closed]
...or Windows, Linux, and Mac OS X.
For example, check for telnet on a known ip:
nmap -A 192.168.0.5/32 -p 23
For example, look for open ports from 20 to 30 on host.example.com:
nc -z host.example.com 20-30
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