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为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
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为什么需要开发拓展？
环境配置
源码下载
代码编写
拓展编译
拓展导入，测试验证
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为什么需要开发拓展？
App Inventor 2 是积木式在线安卓开发环境，利用拖拽式的方式实现代码块堆叠，从...
Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...说了，我们没有日志
线上日志逐个tail+grep
编写脚本，下载某个时间范围内的全部日志到本地再搜索
tail+grep或者把日志下载下来再搜索，可以应付不多的主机和应用不多的部署场景。但对于多机多应用部署就不合适了。这里...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...o-gateway ssl vpn之华为云软件SSL VPN解决方案1、yum install ant2.下载adito-0.9.1-bin并拷贝到 mnt目录下3....免费的SSL VPN adito-gateway ssl vpn之华为云软件SSL VPN解决方案
1、 yum install ant
2. 下载adito-0.9.1-bin 并拷贝到 /mnt目录下
3. 解压...
Type hinting a collection of a specified type
... follow
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edited Feb 27 '18 at 20:32
Stevoisiak
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Xenocode Postbuild 2010 for .NET 混淆工具的详细使用步骤 - 更多技术 - ...
...ld 2010 for .NET 混淆工具的详细使用步骤1，首先我们需要去下载这个工具去，我这里倒是有一个下载的网址，已经被破解了，而且有序列号http: www.tsingfun.com html 2016 soft_0526...1，首先我们需要去下载这个工具，这里有一个下载的网...
Which is more efficient, a for-each loop, or an iterator?
...urce and check the Java Language Specification, specifically 14.14.2, "The enhanced for statement":
The enhanced for statement is equivalent to a basic for statement of the form:
for (I #i = Expression.iterator(); #i.hasNext(); ) {
VariableModifiers(opt) Type Identifier = #i.next();
...
Average of 3 long integers
..., plus one third of the second.
Performance on 32-bit processors might be enhanced by producing three "sum" values each of which is 32 bits long, so that the final result is ((0x55555555UL * sumX)<<32) + 0x55555555UL * sumH + sumL/3; it might possibly be further enhanced by replacing sumL/3 w...
oracle10g 网址收藏 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...些软件，你需要一个OTN免费帐号，不过如果通过迅雷进行下载，就不用登陆OTN了：Oracle Database 10g Release 2 (10.2.0.1....载OTN上的这些软件，你需要一个OTN免费帐号，不过如果通过迅雷进行下载，就不用登陆OTN了：
Oracle Database 10g Rele...
PHP: Storing 'objects' inside the $_SESSION
...rializing his $User class, or whatever, will not cripple his server beyond repair. My advice: use techniques that are sensible to your application. Objects in $_SESSION are fine, subject to common sense precautions. If your app suddenly turns into something rivaling Amazon in traffic served, you ...
Why is a ConcurrentModificationException thrown and how to debug it
... create an iterator for the Collection (using Collection.iterator(), or an enhanced for loop), start iterating (using Iterator.next(), or equivalently entering the body of the enhanced for loop), modify the Collection, then continue iterating.
To help programmers, some implementations of those Coll...