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【原因】Al伴侣出现错误: invoke: no method named Theme' in class edu.mi...
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解决：升级到最新的AI伴侣即可。
升级可参考：https://www.fun123.cn/reference/creative/ai2_starter.html
AppInventor2画布拖动事件中 起点、前点、当前点，都是啥意思？ - App应用...
...前点：当前拖动后最新的位置。
详见中文文档：https://www.fun123.cn/reference/ ... html#Canvas.Dragged
App Inventor 2 ECharts 拓展：画饼图 - App应用开发 - 清泛IT社区，为创新赋能！
...图表导出为图片：
实心饼图：
来源中文文档：https://www.fun123.cn/reference/extensions/ECharts.html
Is “inline” without “static” or “extern” ever useful in C99?
...my mind that you can use Google to find links: open-std.org/jtc1/sc22/wg14/www/C99RationaleV5.10.pdf
– Sven Marnach
Jun 10 '11 at 23:27
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Separate REST JSON API server and client? [closed]
...oDB), and all of our client code is served straight out of CloudFront (ie: www.boundless.com is just an alias for CloudFront).
Pros:
Cutting-edge/exciting
A lot of bang for your buck: API gives you basis for your own web client, mobile clients, 3rd party access, etc.
exceedingly fast site loadin...
How do I select an element with its name attribute in jQuery? [duplicate]
... very simple getting a name:
$('[name=elementname]');
Resource:
http://www.electrictoolbox.com/jquery-form-elements-by-name/ (google search: get element by name jQuery - first result)
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Get the first element of each tuple in a list in Python [duplicate]
...refer comprehensions over higher-order functions such as map, go to http://www.artima.com/weblogs/viewpost.jsp?thread=98196.
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git revert back to certain commit [duplicate]
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http://www.kernel.org/pub/software/scm/git/docs/git-revert.html
using git revert <commit> will create a new commit that reverts the one you dont want to have.
You can specify a list of commits to revert.
An alternative: htt...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...请参见《TokuMX vs. MongoDB 性能对比》。
下载地址：http://www.tokutek.com/tokumx-for-mongodb/
TokuMX目前只有Linux版本，下载完成后
解压(tar -zxvf xxxx.tar.gz)
进入bin目录，新建配置文件如：tokumx.conf （文件名随意）
内容如下：
logpath=/ho...
What is the difference between active and passive FTP?
...data channel and continue.
More details are available in the RFC: https://www.ietf.org/rfc/rfc959.txt
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