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1 answer

之前用过Angular1学的过程虽然觉得有点曲线，但是感觉还算一步一步比较顺利，而且主要是在一些个人项目中使用，后来尝试了Vue感觉上手效率都比较有优势，所以一些小项目已经用vue做了目前Ng2已经发布正式版，考虑到Ng的 ... 管理组件？总之用Ng2的过程真是感觉被虐到了（跟webpack集成那部分），所以我想问问Ng2目前来说到底还有什么优势？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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180 views

1 answer

android - How to arrange tabitems of tabLaout in multiple rows in fixed mode?

I want to have seven tabs in a tabLayout. They won't be scrollable. So, I want them to be in multiple lines. ... ="@string/yelp" /> </com.google.android.material.tabs.TabLayout>...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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156 views

1 answer

自定义UIView时，frame的大小合适确定，在initWithFramezhong还是在LayoutSubView时确定？

首先问题是这样的，我自定义了一个UIView，刚开始是在LayoutSubView的方法里先设置了子控件的frame，然后又根据最有一个子控件的大小设置整个frame的大小，代码如下：-(void) layoutSubviews ... 置frame的大小，那么我在控制器中什么时候才能得到执行完sublayuoutSubView这个方法后，frame的尺寸 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

1 answer

C语言多维数组问题，本人小白刚学c

请问各位大神，二维数组和三维数组的本质是神马？为啥要取多次*呢？那多维数组呢？对一维、二维、三维等数组名取地址取得是神马呢？请说得仔细点，本人小白，谢谢各位大神了...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

1 answer

Allow communication on specific ports between two Docker containers on different bridge networks

Preface: This question is similar to Allow communication between two docker bridge networks using docker-compose but that ... trying to do this without using the macvlan driver....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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368 views

1 answer

ios - Don't hide input accessoryView when keyboard hides

i want inputAccessoryView to not to hide when keyboard dissmiss. I tried by changing the frame when keybaord hides but it not ... .frame.size.height-88, width: 10, height: 88) }...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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215 views

1 answer

android - Kotlin ArrayList overlapping value plus?

I'm using ArrayList. I'd like to get the sum of these. ex ) Apple = 9,300, Banana = 5,400 But these are added ... orange 1,500 Apple 3,200 berry 3,500 Banana 3,400 orange 1,600...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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460 views

1 answer

小程序不像app有不同的版本，接口调用没有版本的，不能向下兼容的吧

小程序不像app有不同的版本可以选择兼容以前的，小程序接口调用没有像app一样有版本是不能向下兼容的吧？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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185 views

1 answer

python - Converting a column of floats into cumulative percentages

Screenshot Hey I have a column of floats in 'close' need to convert into cumulative percentages and store it in 'cum_p'. I ... and 2nd value in 'close'. Hope anyone can help me....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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222 views

1 answer

vue-devtools安装好,不能使用

vue-devtools安装好,不显示在chrome的开发这工具上,显示在浏览器的右上角,点击的时候会提示图片上的错误,求大神解惑...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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258 views

1 answer

"contains at least one of the following letters" type regex issue

I'm having a bit of a issue getting an "at least one of certain characters" type regex working. There are obviously ... any pointers as to what I'm doing wrong here. Thanks!...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

array formulas - Google Sheets: ArrayFormula: Add Previous Value Err If First Value Is Text

The ArrayFormula I'm using is doing a cumulative calc, so col D is cumulative... eg =D1+C2 etc. Works fine when ... good, same error. Any suggestions on how to correct this error?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

258 views

1 answer

关于nginx location匹配的问题

配置nginx使其支持php-fpm时，发现一个问题，如下图配置此时访问http://host/server.php是没问题的但是当我去掉了~后如图此时访问http://host/server.php出问题了请教为什么一定要有~号呢我原先的理解 ... 长(3:1)，所以在这种情况下有没有~ 都是一样的，结果却出人意料求教大神，这是怎么回事？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

1 answer

jquery validata.js 使用出错？

问题： 1.不输入直接提交，输出true; 2.输入错误，有错误提示，但是输出true; 3.输入正确，没有错误提示，但是仍然输出true; 大家帮忙看看，哪里写错了啊？ <form action="" id=" ... value)){ return true; } return false; }, "请输入6-20位字符,不包含汉字及特殊字符");...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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239 views

1 answer

请教okhttp相对于hurl的优点

看了okhttp的相关源码解析，还是云里雾里，深刻感觉自己的网络相关知识太差劲了在解析中我看到okhttp会使用同一个socket来处理请求那么这样的意思是说以往的hurl可能会开启多个socket？另外发送的请求不都是http请 ... 和socket断开连接不是同一概念？小弟愚昧，求老司机带带我，实在是基础太差劲了，准备学习http相关知识 ...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

370 views

1 answer

Rails query conditions for hour of creation

In an attempt to summarise traffic data base on a time span, one cannot search invoking a component of a datetime object ... rails (performance is not a concern for this query) ?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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304 views

1 answer

$.get,$.post,$.ajax三者有什么区别？

实际工作中使用哪个比较好？...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

1 answer

怎么用javascript把一张图片里面的图标做成动画不用CSS

求大神解答能贴代码更好...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

1 answer

运行Gracejs，报错

运行Gracejs，报错...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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786 views

1 answer

unity3d - Unity Build Error when creating a build Android

In my Unity project, im trying to make a build for Android but Im getting 5 errors. Im not sure if they are ... Modules/IMGUI/GUIUtility.cs:197) EDIT Using Unity 2019.4.17f1 LTS...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

175 views

1 answer

How do I implement base power in a Python Pokemon game?

I have problems implementing the base power code on my Pokemon battle game on Python. Thanks if you wanna help. Here's ... have 130 base power, while dropping your attack by two....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

1 answer

sts java项目上有×号，内部没有如何解决？

就是图片这个情况，sts 重启过了，project 也clean过了，也刷新过了，但是这个 x 还在。...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

vs code没有代码地图的插件吗？

像sublime 或者webstorm的codeglance这类的插件...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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481 views

1 answer

java - How to dispose a JFrame and recreate it as new without exiting the application?

I have a problem where I have to use two JFrames, so we can forget about good/bad practice. Now that when ... I have to work with KeyboardManager to DispatchKeyEvent in this case....

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

411 views

1 answer

Is there any easy way in DolphinDB to accomplish what the **shift down** function does in Python?

Is there any easy way in DolphinDB to accomplish what the shift down function does in Python? Say I have a matrix that ... 8 How can this be done in DolphinDB? Thanks for advance...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

430 views

1 answer

powershell - Catching paths of inaccessible folders from Get-Childitem

I am working on small script to capture file hashes on a running system. I only have Powershell available. This is ... error WITHOUT stopping the rest of the script from running?...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

353 views

1 answer

typecho注册用户问题

好坑呀，注册用户没有密码输入框是什么鬼...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

177 views

1 answer

在字面量对象中使用call和apply

如下代码，怎么使用call和apply实现people也可以用say方法，这里我用的是原型链__proto__实现的: var human = { name:"xijinping", age:20, say:function() ... = { __proto__:human, // human.call(this) 无效; } people.say();...

asked Feb 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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