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Recent questions in Technique[技术]

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pandas的read_csv 返回结果不能去除行索引

pandas.read_csv如何去掉默认的行索引？网上说将index_col=False，但是不行，用的是python3.8...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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231 views

1 answer

正则表达式转义字符

题目描述127.0.0.1为什么用[1-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}来表示，我表示看不懂这个，哪个大佬帮帮我题目来源及自己的思路相关代码粘贴代码文本（请勿用截图）你期待的结果是什么？实际看到的错误信息又是什么？...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

reactjs - Android emulator can't connect localhost API

I developed the app with React native and developed back-end with nodejs when start iOS simulator can connect with localhost ... it weird because iOS can work, but Android doesn't....

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

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324 views

1 answer

ios - How to generate thumb image for 1 second video in swift?

I am not able to generate thumbnail for 1 second video. I have tried below code but it generates black image every time. ... cgImage) return uiImage } catch { } return UIImage() }...

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

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226 views

1 answer

clearTablePersistence(`StreamMKT)出错

请问一下，我在dolphindb GUI执行 clearTablePersistence(`StreamMKT) 出現错误 The?specified?streaming?table?is?registered?for?persistence.?Please?specify?the? ... 想问一下我还得检查database哪里用到这表而导致无法删除？...

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

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335 views

1 answer

ios - NSAttributedString with icon and multiple alignments

I have an attributed string that I would like to present on one label with multiple alignments, e.g. one part on ... achieved? What do I need to consider with the locations/ranges?...

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

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157 views

1 answer

html - JQuery success message when last item found

I have this JQuery script that allows you to search for a phrase out of a list of items and keeps any matches: <script ... down. I hope somebody can help me. Thank you in advance....

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

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251 views

1 answer

Java For Loop Number Grid

I am trying to make a number grid using a Java for-loop but I have difficulty making it aligned and following the pattern. The ... but I have no idea how to apply it in my code....

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

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263 views

1 answer

Java虚拟机-三色标记的疑问

看《深入理解Java虚拟机》中的并发的可达性分析-三色标记提到黑色对象被误标记为白色需要同时满足两个条件：赋值器插入了一条或多条从黑色对象到白色对象的新引用赋值器删除了全部从灰色对象到该白色对象的直接或间接引用这里有点疑问， ... 第二点，也能出现黑色对象（假设新创建的对象不应该被回收）被误标记为白色的情况了有没有大佬解释一下，很困惑现在 ...

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

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872 views

1 answer

php - Get all products with specific meta_key whose meta_value is equal in WooCommerce

In single product page i want to display the stock quantity of all products that have the same value in a custom ... )); return $same_base; Any help would be much appreciated....

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

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916 views

1 answer

mod rewrite - Authorization scheme based on page item value in Oracle Apex

I have a page as under: What I want to do is: each user can see its own staff page When customer ... items in the Shared Components/Authorization Schemes. Please help Thanks Mali...

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

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495 views

1 answer

web scraping - Goutte form submit wrong values

I'm trying to submit a form but I'm facing a very strange issue. The form have a field which is an array. Once I ... correctly. I don't know if this could be considered a "bug"....

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

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189 views

1 answer

python - I Cannot Upgrade Chattbot Without Getting an Error

When I try to upgrade chatterbot, it just does not work. It says get c++ 14.0 or up, and I have it! I have to ... .0 and up, or what, because I am getting real sick of this....

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

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724 views

1 answer

PC端怎么监听html5 的video 标签自带的全屏按钮是否触发

目前有个需求需要监听html5 的video 标签自带的全屏按钮是否触发,不知道怎么监听...

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

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504 views

1 answer

How to make this code from flatlist to grid in react native

I am quite new on react native and been trying to make below code from flatlist to grid/column any help will be appreciated. This ... width: width(100) }}></View> </View> : null }...

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

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313 views

1 answer

java - Netbeans is not getting installed in my Mac,

I am trying to install Netbeans-12.0 on my mac. and it's showing that error: Here are mt java version details: >> ... tried with java version 15 Please help me to find the issue....

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

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319 views

1 answer

Golang中： import 带有 _ 和不带有什么区别？

import 带有 _ 和不带有什么区别？ import _ "beego_demo1/routers" import "beego_demo1/routers"...

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

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335 views

1 answer

Handle correlations in Load runner and use them in JMeter

I am trying to record SAP scripts in Load Runner and correlate the business flows. I want to convert the script ... from Load runner to JMeter. Quick Response is much appreciated....

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

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662 views

1 answer

请问echarts的柱状图Y轴最大数值（extend:[0, 100]）是如何计算出来的？

使用柱状图时，传入数据data: [120, 210, 150, 80, 70, 110, 130]，echarts是如何计算出Y轴最大值为250的？...

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

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409 views

1 answer

react数组push问题，请问跟版本有关吗？

问题是这样的，今天因为安装某一个模块出了冲突，我就把node_modules删掉重新安装依赖，然后就发生了这个问题 order_list是一个数组，在处理push操作的时候报了错控制台给出的提示是这样的 ` ... item.sale_amount = item.value;// 进行赋值，在重装后也报了错，所以我用了一个new_item过渡就没出错...

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

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194 views

1 answer

vue中的$form.createForm

data () { return { form: this.$form.createForm(this), formValues: {} // 表单的值 } } 大佬们，这串代码啥意思啊。看官方文档没看到this.$form.createForm(this)啥意思，是注册表单嘛...

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

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527 views

1 answer

space issue of TOC in Jekyll by Markdown

I tried to add a table of contents (TOC) to my Github pages by following: post.md: * TOC {:toc} main. ... other attributes does markdown-toc have? Any advices will be appreciated!...

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

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527 views

1 answer

vue在http回调中输出传入的参数结果异常？

?for循环传入参数orderid和i，orderid先在回调外定义输出正常直接传入回调输出会重复但是i又正常，这是为什么？...

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

0 votes

201 views

1 answer

python - SQLite - Combining Rows into New Columns

I am attempting to create a chatbot in Python 3.9 using my own text messages, but am having trouble formatting my data correctly ... 11:43 Yes 7 Incoming 2020-08-10 08:11:45 Great!...

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

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223 views

1 answer

python - CUDA_ERROR_OUT_OF_MEMORY: out of memory (NOT DURING TRAINING)

I have been using Tensorflow 2.3.0 for quite some time with cuda 10.1 and CUDNN 7.6.5 on Windows 10. Driver ... of cuda-memcheck --leak-check full Any help is much appreciated!...

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

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675 views

1 answer

vuex数据没有更新，watch却监听到了的原因会是什么？

vue中使用vuex将数据保存在store中，computed 属性取数据，store.commit 方法提交数据，watch监听数据变化时执行方法。问题是没有提交数据的情况下，watch能监听到数据变化，原因是什么呢？...

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

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416 views

1 answer

How to view all differences between two git commits within Intellij?

I looked at a few results for how to do the task in the title. One of the most popular is an SOF ... those instructions. However there is no "compare versions" option afaict:...

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

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208 views

1 answer

InfoBubble reposition according to viewport in Here Maps 3.1 Version

the infobubbles re-position in the viewport so they stay on the screen (e.g. if it's on the top of the viewport, ... re-positions to the bottom so it doesn't appear off screen)...

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

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