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305 views

1 answer

MySQL substract first row from last row of a group

I'm working on creating Google Charts from MySQL datasource. This works fine so far. Now I want to count how many blocks of ... its not a stupid question. I'm kinda new to this....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

1 answer

box-shadow和border-radius兼容性问题

给input设置的样式： input{ border:1px solid #e6e6e6; border-radius: 20px; -moz-border-radius:20px; -webkit-border-radius:20px; } input:focus{ box- ... 时显示都有问题， css代码不是兼容了嘛，请问这个是什么原因？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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470 views

1 answer

android adb命令有没有 full sweep的命令啊

android adb命令有没有 full sweep的命令啊，对于某个进程有kill -9 可以，现在有个比较笨的方法ps遍历包名然后逐个kill，好麻烦啊，有没有直接的命令啊...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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146 views

1 answer

+=和+ 之间的区别，重点看代码

var cba = ""; for ( var i = 1 ; i < 9 ; i++ ) { //第一行 1*1=1 //第二行 1*2=1 2*2=2 //第二行 1*3=1 2*3=2 3*3=9 for (var j ... cbb = j + "*" + i + "=" + j * i ; } console.log( cbb ); } 效果图...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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208 views

1 answer

这个alert出underfined？

...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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264 views

1 answer

html - Bootstrap Carousel not scroll bug

for some time, my image slider no longer scrolls the images remains stuck on the first image while there are 3 which are supposed to ... >Next</span> </a> </div> </div> </div>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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479 views

1 answer

thinkphp访问站点首页的问题

比如我站点的首页是http://www.xxxxx.com/ 现在必须必须加上控制器和操作方法名才能访问http://www.xxxxx.com/zhuye/zhuye 如果不加的控制器和操作方法名访问的就是入口文件现在我已经把index.php和模块名去 ... 法名直接输入域名就能直接访问首页而访问其他页面时带着控制器和操作方法名这个应该怎么弄呢？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

751 views

1 answer

uicollectionview - How to animate multiple cells with SwipeCellKit in Swift?

Is there a way to trigger an animation to swipe multiple cells in a collection view with the tap of a button with ... employ a "Clear All" or "Delete All" animation feature....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

226 views

1 answer

Springboot应用不能用main方法启动

使用mvn spring-boot:run可以正常启动但是通过main方法（即intellij IDEA的小三角启动）进程会直接关掉 ... SpringApplicationBuilder application) { return application.sources(SpringbootMybatisApplication.class); } }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

552 views

1 answer

c# - EF Core Fluent Validation LazyLoading

I have a Entity Framework Core project where I want to validate the model state (in service layer) before ... design to make validation work and keep lazy loading behavior?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

405 views

1 answer

javascript - Waiting for the contentscript to finish before looping next item in background script in chrome extension

I'm trying to make a Chrome extension, but got a bit of a headache due to the whole asynchronous programming and ... some more information to make it as clear as possible! Thanks!...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

216 views

1 answer

wordpress的数据循环取值问题

文章列表页想获取文章所属分类 <div style="display:none"><?php print_r(get_the_category(the_ID())) ?></div> 查看源码输出的结果是 252Array ( [0] ... ] => xoa [category_parent] => 12 ) ) 怎样循环才能取到里面cat_name的值...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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790 views

1 answer

testing - How do I login to salesforce by using cypress?

I'm currently using cypress to do some testing. However, I have to do some tests with salesforce and it seems that ... Does anyone know how to bypass the login page with cypress?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

316 views

1 answer

html - Why do I have an empty list when I do a request, and why sometimes do I have /xa instead of integers of even strings?

Using Scrapy, we faced a first problem: when we both want to extract numerical data on each of the sites such as price ... :: text. Despite this, it still doesn't display anything....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

176 views

1 answer

javascript - Programatically set controlled form values from a Chrome extension

I'm trying to write a Chrome extension that makes the process of uploading to various social media platforms a little ... code in a way that the frontend framework will detect?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

0 answers

javascript - Check string in select option

I have created with javascript and I get a result of a string.I get that result on my html code <div id="results">< ... /select> <input id="results" type="submit" value="results"/>...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

540 views

1 answer

thinkphp为啥执行一个方法要引入这么多个文件，对性能有何影响？

如题，在thinkphp中某方法只输出一个echo 1, 发现要引入的文件很多，这对服务造成什么影响遇到并发大时候该如何优化？ array(63) { [0]=> string(43) ... /db/Builder.php" [62]=> string(66) "{MY_SITE}/thinkphp/library/think/Debug.php" }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

507 views

1 answer

pandas - How to group by a df in Python by a column with the difference between the max value of one column and the min of another column?

I have a data frame which looks like this: student_id session_id reading_level_id st_week end_week 1 3334 3 3 3 1 3335 2 4 4 2 3335 2 2 2 2 3336 2 2 3 2 3337 2 3 3 2 3339 2 3 4...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

351 views

1 answer

macos - Vim completely broken, can not use

Upon opening vim in my terminal, I receive this error Error detected while processing CursorMoved Autocommands for "*". ... brew update to update everything in my package manager....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

264 views

1 answer

python - Deadlock in model.predict_generator() with use_multiprocessing=True

A strange problem found in model.predict_generator when setting use_multiprocessing=True and workers > 1. It would stuck (looks like a ... gpu==1.14.0 keras==2.2.4 Any helps?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

678 views

1 answer

vue audio标签引入路径错误。

audio的路径为啥是 Not Found ，但是 img的路径却是可以的。。都在同一文件夹下面。。。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

309 views

1 answer

android - Sqlite Data is not changing after clean tables

After cleaning all the tables, I insert another data again . I can see in the chrome inspector that the data changes ... only can se changes after kill the app and open again....

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.3k views

1 answer

html5 input标签 type=month 如何设置选择面板只能选择月份

看到篇文章里介绍用h5的input标签 type=month可以实现下拉选择月份，我搜了一下貌似选择界面里还是有日期的，只是input的value是某年某月，看了下shadow dom里面也找不到选择面板的组件，能不能实现选择界面只有月份选项？求助，回家补图。...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

330 views

1 answer

python 3.x - installed anaconda and when I run pandas it won't work. Is there a fix to this? Do I need to uninstall and reinstall for this to work?

OSError Traceback (most recent call last) <ipython-input-2-7dd3504c366f> in <module> ----> 1 import pandas as pd ~ ... ) mean? Also why are there arrows pointing at specific lines?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

654 views

1 answer

vue.js 轮播问题 ajax获取到图片路径再渲染图片，可是轮播失效，使用插件为swiper.js

HTML: <div class="swiper-wrapper"> <div class="swiper-slide" v-for="slide in slideList"> <img v-bind:src="slide.slide_img"> < ... ; }).fail(function(res){ console.log(res); }) }, }...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

641 views

1 answer

jupyter lab - How to disable line wrapping in Editor in JupyterLab 3.0.0?

I am using JupyterLab 3.0.0. By default, its text editor, called simply Editor, wraps long lines. How can one disable it?...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

401 views

1 answer

vue.js项目main.js、App.vue、page/index.vue的引用调用关系是怎样的?

问题如下： vue.js项目的入口文件是index.html还是App.vue文件？入口文件关联main.js和router.js等文件的引用/调用关系是怎么样的？运行npm run dev后，过程中读取了哪些文件，经过了哪些步骤后，最终访问到入口文件？（本人初学Vue.js，对webpack也不是很熟悉，希望各位大神多多指教！）...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

236 views

1 answer

angular具有独立开发能力吗

angular具有独立开发能力吗？？？...

asked Feb 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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