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0 votes

311 views

1 answer

r - Using geom_function in ggplot2 to call a function written in postgreSQL plr

I struggle to call a plr function in postgreSQL from a R-script and use it in ggplot2 - geom_function. The following examples ... works fine as well. So, what do I have to change?...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

366 views

1 answer

vue的router-link报错不显示

我用vue-cli搭建好了目录，但是用router-link做单页路由没有成功，不知道哪里有问题求解，本人刚进坑 app.vue <template> <div id="app"> <headers>< ... ', component: Ratings },{ path: '/Seller', component: Seller }, ] })...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

429 views

1 answer

jquery 的 animate background-position-y 在IE上每次会从0开始

http://jsbin.com/yolexeqidu/1... jquery 的 animate background-position-y IE9以上每次会从0开始 IE8以下 Chrome和Firefox没有这个现象要 ... ).animate({ backgroundPositionY: '60px' }) }); }); </script>...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

586 views

1 answer

media queries - problem with adding background image on CSS

I can't display my background images on CSS. I needed to add 2 background pictures by using Media queries. But it doesn't work....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

234 views

1 answer

vue.js的v-for出现问题

v-for="(size,index) in item.sizes"直接在页面显示这个是什么情况？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

121 views

1 answer

JavaScript DOM audio not playing

Okay, I'm losing my mind here. I'm trying to code a very simple player just for myself -- something crude but functional. ... or something? I can accept that; I just need to know....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

477 views

1 answer

求教：当使用webuploader上传图片时，服务器响应数据内容格式是什么

我前端使用百度的webUploader上传插件来上传图片，而后端使用Thinkphp来接收文件数据，但如果我后端接收文件出错时，该如何返回数据通知前端调用uploadError事件回调方法执行呢？我看了官方文档，没有说明我试了 ... 端依然执行uploadSuccess事件方法特此求助下，成功是该返回什么数据格式，失败是该返回什么数据格式？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

127 views

1 answer

php为什么如此流行

不管你怎么说php，说它的语法如此混乱，说它不支持完全面向对象，说它如此不优雅等等你们都无法抹灭它目前在web开发领域头把交椅的地位我们可以找到那么多看起来比php更加优雅，更加简洁的语言，但是却无法找到一个东西真正能替代它的存在 ... 然这么流行，很多创业公司靠它走上了发家致富的道路这样一门语言流行总有它的原因，那么你是怎么看待php的流行的呢？...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

240 views

1 answer

php - file upload a pdf in laravel

Hi everyone i need some help i work a program called file upload , but i dont get it what happen to the file i upload ... , 'price' => $request->price ); Book::create($data);...

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

879 views

1 answer

gtk3 - gtk image-button scaling of image and handling size requests

I am trying to use some buttons containing images (pixbuf) with the following properties: The width of a button ... the Rust binding gtk-rs buttons currently are not subclassable....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

255 views

1 answer

c - Trying to read register values of a process from task_struct

Currently I'm able to find the register values for the program which was written, but not for other processes. ... I cannot seem to locate which element contains the registers....

asked Feb 5, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

587 views

1 answer

mysql中评论表中如何根据文章id获取父子节点的评论回复信息

现在想设计mysql评论表，想到用sql的树型节点，我想传入文章id获取下面的所有父节点，和父节点下的所有子节点，只有两层结构 id | articleid | pid 这种格式的表，请问该如何写sql语句呢...