Recent questions in Technique[技术]

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关于flutter使用showDialog的一个疑问

请问在用户通过点击dialog之外的地方关闭dialog时(也就是设置了barrierDismissible: true)，如何监听到这个关闭动作？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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175 views

1 answer

c++ - Is there a standard way to swap arguments for a binary predicate?

I want to find last value in a container that is less-than-or equal using std::lower_bound (that finds greater-than-or-equal), and have a comparison ... the predicate / manually swapping them in a lambda / rolling my own template?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

1 answer

XST攻击的疑问

https://eggjs.org/zh-cn/core/security.html#安全威胁-xst-的防范这里介绍了xst攻击但是我不明白就算是利用TRACE 请求拿到了cookie 然后呢黑客又不能用拿到的cookie干什么就像在console里看到cookie内容一样为什么这里会“绕过了 httpOnly 的限制，拿到了cookie=1，造成了很大的风险”...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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187 views

1 answer

python - Applying a function on a groupby table that depends on the value of another column and returns all other columns intact

I have a dataframe df and its rows are basically logs of record temperatures T from a given station ID at a given time date (each day, each station has one record high ... it... So I was wondering if there is a faster/clever way to do that....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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259 views

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请求接口时时间GMT会变为UTC

如题，请求接口时时间GMT会变为UTC...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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86 views

1 answer

java - How to print sentences in both threads?

class X1 extends Thread { public void run() { System.out.println("I am X1"); } } class Y2{ public void run() { while (true) System.out.println("I am Y2"); } } ... infinite number of I am Y2 . But it only prints I am Y2 . How to fix it?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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424 views

1 answer

React Native why given cors error in actions when i use django rest framework api on localhost

I am using react native app with api. API coded by django rest framework. I run api in localhost:8000. When i try connect to api with axios i get cors ... ... ] I give this error on chorme: enter image description here On Network: Network...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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207 views

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Google API Gateway: Provide API key in header

I'm trying to setup Google API Gateway to use an API key that callers send in the header. My api config yaml looks like this: ... securityDefinitions: ... API Gateway that doesn't work properly when API key is provided in request header?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

1 answer

react native avoid scrollview/flatlist shrinking while keyboard is open

In my react native app, I have a header with a search option and a body with content which is a flatlist and a footer. The flatlist is shrinking when the ... want to show the footer while the keyboard is active. how I can achieve that?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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232 views

1 answer

@Null和@NotNull一起用在实体类上是什么鬼

...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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160 views

1 answer

c++ - How can I run the application written in Golang as a Windows service

I cannot use the screenshot application that I developed with the Win32 api as a Windows Background service. I install and run it as a Windows background ... { logger.Error(err) } } ScreenShot: DebugView and Windows Services Screen Capture...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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401 views

1 answer

后端提供的接口都是分过页的数据，我导出数据导不了全部。

后端提供的分页接口打印出的是分页过的，我之前接的接口都不是这样的，它应该打印出来全部的数据，但是分页功能还是管用，只要传递一个页数，一个每页数据数就管了。[捂脸]这是我的错觉吗？还是后端写的不对呀？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

1 answer

Hbuilderx编译成小程序后乱码

我用Hbuilderx新建了一个uni-app工程，然后点击运行-->运行到小程序模拟器-->微信开发者工具，会自动打开微信开发者工具，但是不会打开项目工程，手动打开后，里边的文件全都是显示【此文件是二进制文件或使用了不支持的文件编码，无法在编辑器中显示，是否仍要打开？】。在Hbuilderx里打开也是一样的。如果点击打开，就全部是乱码。在文本编辑器里打开是正常不乱码的。请问怎么解决？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

1 answer

firebase - Unhandled Exception: type 'int' is not a subtype of type 'String' in flutter

I cannot resolve this problem. Finally I want to display 'workout.count' in main widget main.dart Padding( padding: const EdgeInsets.only(top: 80), child ... have ideas? Of course I research some documents in stackflow, but I cannot recover...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

1 answer

vue子组件控制父组件v-show有时不起作用？

父组件有一个popup window: <div v-show="popup"> ... </div> ... popup: true; ... 子组件有两个listener，通过 this.$parent.popup=true; this.$parent.popup=false; 控制父组件的popup window的显示与隐藏此外，父组件还包 ... 并未增加，导致子组件控制的是之前父组件的popup 某个子组件被销毁了无法link到当前父组件的popup .........

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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562 views

1 answer

公司没有外网如何使用腾讯地图api调试啊开发文档也没看到下载js文件的地方

第一次用不解啊...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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509 views

1 answer

这种树形操作求大佬推荐插件或代码

...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

1 answer

vue 的视图渲染问题, 非响应式的数据为什么在同一模板中其他视图渲染时也被重新渲染?

代码示例如下: https://codepen.io/Liaoyk_cod... // 日期框1: <el-date-picker v-model="test['a']" // 这里绑定的是test['a'] type="date" value-format="yyyy-MM-dd" placeholder="选择日期"> </el-date-picker> // ... 日期1的值之后,手动在文本1中输入任意的值,文本1内容正常展示且日期1也被重新渲染了, 这是什么原因呢?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

1 answer

video.js 在未全屏播放时，音量按钮无法拖动，且无法隐藏？

video.js 在未全屏播放时，音量按钮无法拖动，且无法隐藏？ let player = videojs('my-video', { controls: true, // 是否显示控制条 // poster: 'xxx', // 视频封面图地址 preload: 'auto', autoplay: true, ... ', type: 'video/mp4', } ] }, function () { console.log('视频可以播放了', this); });...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

1 answer

Unique seed acrossing multiple imported files with random module (python)

I have a big simulation where I set a seed value (through the random.seed) for the random module in the main file. The main file imports the random module and ... the seed in the main file such that same seed will be used in imported files?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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422 views

1 answer

为什么express捕获不到错误呢？

使用了http-assert包；然后在接口中用assert()来弹出错误：最后使用express的错误处理中间件来统一处理错误：可是真正遇到错误的时候，好像中间件并不能捕获到，控制台报了如下的错误：救救孩子吧??...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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387 views

1 answer

DolphinDB脚本中怎么产生一个月份列表？

在DolphinDB脚本中，怎么产生一个月份列表？例如从201101到201305，假如前后是闭区间的话，产生类似俩表结构为[201101,201102,...,201305]，应该怎么写？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

1 answer

div中设置line-height，影响li中的展开动画，请问这是为什么？怎么解决？

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> ... () $(this).children('.sub').slideUp(100) }) </script> </body> </html>...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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359 views

1 answer

StringBuffer中有两个私有方法writeObject和readObject有什么用？

如题，jdk版本是1.8。方法注释上写“restore the state of the StringBuffer from a stream.”，但是这两个私有方法在类中并未被调用，是怎么来实现这个功能的呢？...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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503 views

1 answer

有什么开源的协作平台推荐

有没有像飞书之类的开源写作平台？天天写word接口文档，写完邮件每人发一份，飞书在线编辑用的很舒服（虽然也可以用git但是。。）公司没有外网，想在内网部署一个，大佬们有没有推荐的...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

428 views

1 answer

JavaScript 多行字符串对齐

json格式数据如下: [{'name':'张三','pcs':'40','total':'3600'}, {'name':'李老五','pcs':'2','total':'400'}, {'name':'Jack','pcs':'121','total':'59800'}, {'name':'王-ADU','pcs' ... ，万分感谢！张三 40单 3600件李老五 2单 400件 Jack 121单 59800件王-ADU 21单 1130件想要达到的效果如下图...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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535 views

1 answer

js怎么判断字符串里是否有某个数字。

比如一个字符串是var a = "2，3，4，5，6，7，11，22，33，44"; 我想用 v-if 判断a里是否有2。有就返回true；判断有没有1，11不能算进来。...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

1 answer

Highcharts venn diagram is missing intersections

In given intersections between groups, I found that the intersection between "B" and "C" i.e. ["C", "B"] is not shown in the chart. Code sandbox can be ... got many examples if needed, this one is the smallest and simplest one I've found....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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