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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...I】FlipShare翻转分享拓展：酷炫的分享动画
【UI】自定义下载器扩展：个性化下载进度展示
【UI】AppInventor2 图表扩展：仪表盘、柱状图、折线图、饼图
多媒体
【文件】FileTools 拓展：提供额外的更强大的...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...I】FlipShare翻转分享拓展：酷炫的分享动画
【UI】自定义下载器扩展：个性化下载进度展示
【UI】AppInventor2 图表扩展：仪表盘、柱状图、折线图、饼图
多媒体
【文件】FileTools 拓展：提供额外的更强大的...
PersistentObjectException: detached entity passed to persist thrown by JPA and Hibernate
...persist Why improving consistency makes that it works? Ok, consistency was repaired but object is still detached.
– Gilgamesz
Mar 13 '18 at 20:17
1
...
Ways to eliminate switch in code [closed]
...m. If you add or remove a clause in one switch, you often have to find and repair the others too.
Both Refactoring and Refactoring to Patterns have approaches to resolve this.
If your (pseudo) code looks like:
class RequestHandler {
public void handleRequest(int action) {
switch(act...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...Syv服务/etc/rc.d/init.d/postfix脚本
脚本朋友们可以从附件中下载
4、对postfix进行基本配置，测试启动发信
编辑/etc/postfix/main.cf
myhostname = mail.huatuo.com #指定运行postfix邮件系统的主机的主机名
myorigin = huatuo.com #指明发...
Custom exception type
...s is basically a simplified version of what disfated posted above with the enhancement that stack traces work on Firefox and other browsers. It satisfies the same tests that he posted:
Usage:
throw new InvalidArgumentException();
var err = new InvalidArgumentException("Not yet...");
And it will...
Sending multipart/formdata with jQuery.ajax
... [1] => 127884
)
)
)
If you do progressive enhancement, using Raphael's JS to submit the files...
var data = new FormData($('input[name^="media"]'));
jQuery.each($('input[name^="media"]')[0].files, function(i, file) {
data.append(i, file);
});
$.ajax({
...
(HTML) Download a PDF file instead of opening them in browser when clicked
...
As right now August 2019, Browser support seems to be enhanced for this feature, see: w3schools.com/tags/att_a_download.asp
– Daniel Resch
Aug 24 '19 at 21:51
...
Convert a python UTC datetime to a local datetime using only python standard library?
... follow
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edited Mar 24 '19 at 5:16
Waldhorn
44144 silver badges66 bronze badges
answere...
How to completely remove node.js from Windows
...ved".
This worked:
Got the .msi of my installed Node version. Ran it to repair the installation just in case.
Opened the Administrator command prompt and ran msiexec /uninstall <node.msi>.
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