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    I am trying to install virtualbox. I had it installed previously and it worked. Today I tried to add another virtual machine and it started complaining about problems ... 2 make: Leaving directory '/usr/src/linux-headers-5.8.0-36-generic'...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    问题描述 PHP在查询MongoDB数据,使用的是mongodb/mongodb扩展 查询的数据返回的是个对象,如何将它返回的结果给转为 下面期望返回结果 的数据格式?查询代码如下: $items = $this->db->$collection->find($searchWhere); if (!empty( ... }, "name": "韩爱华" } 期望返回数据格式 { "id": "5f8141982d229018660b93f3", "name": "韩爱华" }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Using Laravel 7, and this package I tried to create an oath using an orcid socialite registration using a simple link. DOCUMENTATION ( ... '); Route::get('login/orcid/callback', 'AuthLoginController@handleOrcidCallback');...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a very simple function that accepts _posttypeid and _url as parameters: CREATE FUNCTION rewrite(_postid integer DEFAULT NULL::integer, _url character varying DEFAULT ... t understand what the error means or how to go about fixing it....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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532 views
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    环境信息: [email protected] webpack@4+ yarn build工程时,报错: RangeError: Maximum call stack size exceeded at AST_Call.eval [as _eval] (eval at <anonymous> node_modules/uglifyjs-webpack- ... 果在vue.conf.js中去掉uglifyjs-webpack-plugin插件就OK了,有哪位遇到相同问题的吗????...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我的个人理解 JavaScript是单线程的,使用setinterval是定时给这个单线程添加事情,那么我使用两个setinterval去请求两个不同的数据接口,就不会存在并发,按队列顺序请求数据,那么为什么使用setinterval去请求数据接口会出现卡顿...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What is the simplest way in C# (.cs file) to get the count from the SQL command SELECT COUNT(*) FROM table_name into an int variable?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have around 5 million rows being processed in pandas dataframe & its taking about 45 minutes.There are multiple columns, data transformation involves ... make pandas utilize all available nodes & reduce the total transformation time ?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm reading a book which explains some stuffs about Http headers. I found the following: Content-Disposition: form-data; name="userfile"; filename="shell.php" what does filename field represent or what is its meaning ? Thanks...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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661 views
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    I made mesh with PlanGeometry and BasicMaterial. function createMesh(width, height) { let geometry = new THREE.PlaneGeometry(width, height); let mat = new THREE. ... ; I want to know width, height value upper code. Please anyone help....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    At the moment, the code below is not very reproducible as I am adding the suffix based on column numbers. How would I modify this code to add the suffix to all columns beginning with ... )[5:10] <- paste(colnames(df)[5:10], "C", sep = "_")...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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529 views
1 answer
    I want to write an endpoint which always shows the newest messages of a redis stream (reactive). The entities look like this {'key' : 'some_key', 'status' : ' ... the Browser (5) i got the expected N+2 entries - so (2) worked aswell...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This is my embed rn It uses the google API to get upcoming events on a calendar but I have to limit the number of events it gets since the message will ... size and be able to scroll down in the description so all events can be displayed?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to use the Google Coral mPCIe EdgeTPU, which works perfectly fine in the host system, in a qemu VM and I'm unable to get any of the examples ... timeout (12000 ms) Error in device open cb: -110 Any help would be appreciated....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.3k views
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    I have one script file that has multiple calls of this code: Start-Process -NoNewWindow -FilePath $fullExeLocation -ArgumentList $argument Start-Process -NoNewWindow -FilePath ... for about 30 seconds or so. How can I do that please?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.1k views
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    本人在树莓派pi3平台上,下载respberry 5.4 lite 编译一个github上的项目,该项目用 ... /bin/ld: fxlmstest.cpp:(.text._ZN13matplotlibcpp4plotIffEEbRKSt6vectorIT_SaIS2_EERKS1_IT0_SaIS7_EERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE[_ZN13matplotlibcpp4plotIffEE...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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1.6k views
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    I am coming from Java and designing my first Flutter application. The functionality is okay, but I am having an issue with the layout: When you touch the screen and scroll it down, ... EdgeInsets.fromLTRB(25, 15, 40, 100), ), ], ), ), ); }...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have the following string in TextMeshPro: "<style=Title>This is a Title (...)". I would like to translate the StyleTag to the defined Opening Tags. For this example it ... size=125%><align=center>This is a Title (...)". How can I do this?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.0k views
1 answer
    如题,有一个collection中,有20个字段,可能有15 6个要参与查询,像时间戳类的还要排序。 请问这种问题需要怎么设计,前期-中期-后期。 题外话,之前有玩网络游戏的交易平台,那种查询和筛选感觉有几十个条件,他们又是如何做的呢? 感谢前辈帮助...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.0k views
1 answer
    正在用react 16 开发web应用,主要用手机浏览器访问。目前遇到一个问题,在三星的某些机型中,如果通过Chrome访问,从页面移出组件的时候,页面会卡死。但是如果把Chrome设定为桌面网站,就不会卡。代码如下,这是为什么呢? this.setState({display: false}); <div> { display ? <Popup/> : null } </div>...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    大家都知道,大屏展示为了更好看,往往都会引入特殊字体文件,但涉及到汉子字体的话,字体文件会比较大。网上说的通过spider压缩字体,但并不能动态压缩,所以想问下大家都是怎么处理字体的? 比如字体文件:思源黑体...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.4k views
1 answer
    I have a json file containing data about timezones. I want to take every value for the field "text" and add it to a String array. How would I do that using Go. This ... "(UTC-11:00) Coordinated Universal Time-11", ""(UTC-10:00) Hawaii"...}...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Apologies if this is simple, but I am new to C. I am trying to create a loop that fills in an empty array of strings with multiple strings. However, at the end, the ... } } This returns: Test: 1 Test: 1 But I am expecting: Test: 0 Test: 1...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.2k views
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    在ts的配置文件中: { compilerOptions:{ target: 'es3', allowJs: true, } } 如果我们将编译目标指定为es3,那么我们还需要babel来编译代码么?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.8k views
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    We have a workflow to get a Certificate. Users upload images/PDFs to get their Certificate. I need to generate Certificate as a PDF(using XSL-FO layout) ... any solution using oracle PL/SQL and Oracle APEX. Thanks in Advance for help....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.3k views
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    100% VBA Noob, please go easy. Just created an Outlook form for users to submit support tickets to I.T. The user fills out importance, type of issue, and a ... there. What am I missing for the text they enter to populate the email? Mike...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.0k views
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    I need to listen to the scrolling event of the page and according to the scrolling direction, it should be able to change css classes of elements. If scrolling happens ... were not bounded. Where I was get wrong and how can I fix this?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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2.4k views
1 answer
    In my former Spring development, it is easy to spy a Spring bean via @SpyBean or Mockito spy method, and do some stubbing and verifying it in the testing ... (TrackingId.class)); } There is no interactions of mocked/spyed object at all....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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