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MIT官方已升级至2.71版本，几乎就是仅增加一个全新主题 - App Inventor 2 ...
...mponent adds a new block, ConverseWithImage to ask questions about images (API key needs payment for gpt-4)
Palette categories can be independently expanded/collapsed
The main body of MIT App Inventor now loads via the CloudFlare content delivery network. This should result in faster startup of MI...
AppInventor实现图片和文字等进行发帖和查看帖子功能 - App应用开发 - 清泛...
...其他用户可以进行浏览和收藏，这种可以实现吗？需要用API吗？
A：这里提供一些思路，欢迎补充。
1、最简便，使用Web开发，有现成开源方案，AppInventor用一个Web浏览器组件浏览即可，这时最直观简便的方式。
2、AppInventor原...
大模型拓展接入 kimi 报错？ - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
...:"rate_li mit_reached_error"}}
报错显示调用太频繁被 api 方拒绝，每秒调用不能超过三次。不是 appinventor 和拓展的限制，是大模型 api 内部的限制。
What is the difference between old style and new style classes in Python?
...(x) is always <type
'instance'>.
This reflects the fact that all old-style instances, independently of
their class, are implemented with a single built-in type, called
instance.
New-style classes were introduced in Python 2.2 to unify the concepts of class and type.
A new-s...
Any way to delete in vim without overwriting your last yank? [duplicate]
... This is probably the simplest but effective solution! I've found that all I need is the most-recent yank in 99% cases. And this trick just scratches the itch!
– John Chain
Oct 14 '13 at 20:40
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Where'd padding go, when setting background Drawable?
...
I'd like to mention that you have not to do this above API 19(Kitkat) since Google has solved this bug.
– ywwynm
Aug 13 '15 at 1:03
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How to get maximum value from the Collection (for example ArrayList)?
...f the given collection, according to the natural ordering of its elements. All elements in the collection must implement the Comparable interface.
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Dynamic variable names in Bash
...Fgilrtux] [-p] [name[=value] ...]. You might double-check that you are actually running 4.x and not 3.2.
– chepner
Dec 2 '13 at 16:08
5
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Get the position of a div/span tag
...n will tell you the x,y position of the element relative to the page. Basically you have to loop up through all the element's parents and add their offsets together.
function getPos(el) {
// yay readability
for (var lx=0, ly=0;
el != null;
lx += el.offsetLeft, ly += el.off...
PDO Prepared Inserts multiple rows in single query
... table (fielda, fieldb, ... ) values (?,?...), (?,?...)....
That is basically how we want the insert statement to look like.
Now, the code:
function placeholders($text, $count=0, $separator=","){
$result = array();
if($count > 0){
for($x=0; $x<$count; $x++){
$re...