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中文网（自研/维护）拓展 · App Inventor 2 中文网
...fffff" //背景颜色}); App Inventor 2 中文网 MIT同步更新的中文本土化 积木式在线App开发平台！ © 2023 - document.write(new Date().getFullYear()); 跟着学（上海）教育科技有限公司 版权所有，未经书面许可，不...
How to resolve “Waiting for Debugger” message?
I have HTC Comet connected to Eclipse with SDK 2.2. I do a debug build - the application does not run; though it does get installed on the device. On the device I get this message box on the Comet screen
...
简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...有：基线库的基线项的清单、基线项的名称、版本、存放位置。
在每次基线变更后，状态报告还要能说明。哪些基线项变了、为什么变、变化前的版本是什么、变化后的版本是什么。
2、基线变更流程
一般项目管理中，基线...
When is it appropriate to use UDP instead of TCP? [closed]
...nt your own protocol for reliability or to resend. DNS is the perfect description of this use case. The costs of connection setups are way too high (yet, DNS
does support a TCP mode as well).
Another case is when you are delivering data that can be lost because newer data coming in will replace tha...
Stopping scripters from slamming your website
...shop, the subsidiary of Woot that does the design, writes the product descriptions, podcasts, blog posts, and moderates the forums. I work with CSS/HTML and am only barely familiar with other technologies. I work closely with the developers and have talked through all of the answers here (and many o...
Recommended way to get hostname in Java
... is the name of your computer. Any attempt to determine the hostname by an IP address like this
InetAddress.getLocalHost().getHostName()
is bound to fail in some circumstances:
The IP address might not resolve into any name. Bad DNS setup, bad system setup or bad provider setup may be the reason f...
mongo - couldn't connect to server 127.0.0.1:27017
...o the mongod server.
This could be because the address was wrong (host or IP) or that it was not running. One thing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod p...
C++ ADO Excel中RecordSet.Open打开记录的两个参数adOpenKeyset、adLockBat...
...删、改等操作
2 adLockPrssimistic 当数据源正在更新时，系统会锁定其他用户的动作，以保数据一致性。
3 adLockOptimistic 当数据源正在更新时，系统不会锁定其他用户的动作，其他用户可以对数据进行增、...
git拉取子模块的方法 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...次拉取模块，可以使用：git submodule update --init --recursive 更新单个子模块xxxgit su 如果首次克隆仓库及其模块，使用：
git clone --recursive 仓库地址
对于仓库首次拉取模块，可以使用：
git submodule update --init --recursive
# 更新...
PHP中9大缓存技术总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...缓存文件；比如，我将我们商城的首页就是设置2个小时更新一次；
5、按内容变更进行缓存
这个也并非独立的缓存技术，需结合着用；就是当数据库内容被修改时，即刻更新缓存文件；
比如，一个人流量很大的商城，商品很...