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App Inventor 2 MultiImagePicker 拓展：实现图片/视频多选功能 - App Inve...
...选择数量
- 可过滤文件类型
官方文档：https://www.fun123.cn/reference/extensions/MultiImagePicker.html
二、属性
MimeFilter（图片过滤类型）
- 默认值：image/*
- 单选和多选都会使用这个过滤条件
- 如果想选择视频，可以改为 video/* ...
AppInventor2 .keystore 证书文件 - App版本升级的奥秘 · App Inventor 2 中文网
...debug.keystore" -keyalg "rsa" -storepass "android" -validity 10000 -dname "CN=AppInventor for Android, O=fun123.cn, C=CN"
具体参数很简单，可以让AI辅助解析。其中，10000 是证书过期天数，也是安卓官方建议的值。
Android docs recommend “10000” as the expirat...
Do I need to disable NSLog before release Application?
When releasing an app for iPhone, if I disable NSLog(); will it perform better?
12 Answers
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Start / Stop a Windows Service from a non-Administrator user account
...ixed that.
– Willem
Oct 5 '17 at 11:52
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XML Serialization - Disable rendering root element of array
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
Among the timing functions, time , clock getrusage , clock_gettime , gettimeofday and timespec_get , I want to understand clearly how they are implemented and what are their return values in order to know in which situation I have to use them.
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
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Office在线预览及PDF在线预览的实现方式大集合 - 更多技术 - 清泛网 - 专注...
...是要硬盘空间呢还是要CPU的资源。
参考链接：
http://www.cnblogs.com/expectszc/archive/2012/04/04/2432149.html
http://www.cnblogs.com/liuning8023/archive/2013/03/04/2943482.html
http://www.cxyclub.cn/n/29549/
非微软方：没有微软的Office软件可安装，只能用第...
linux 通过bind下搭建DNS Server - 更多技术 - 清泛网 - 专注C/C++及内核技术
linux 通过bind下搭建DNS Serverconfig-dns-server-on-linux-var-bind作为一个web开发人员，开发过程中肯定有很多项目需要分配不同的域名来访问，这样避免一个localhost不够用和避免加端口各种麻烦，以及子目录...作为一个web开发人员，开发...