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    当我用Graphics的GetHdc时,结束的时候无论我用ReleaseHdc(),还是ReleaseHdc(hDC),还是ReleaseHdcInternal(hDc),内存都不能释放 代码如下: Graphics g = Graphics. ... .ReleaseHdc(destDC); g.Dispose(); 麻烦问一下谁知道这是为什么呢?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    怎么合并树形数据表格的行啊,常规的动态数据行合并好像不适用,展开收缩的时候数据显示就错乱了。...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have tried the following: var hash=sha256(sha256(msg)); // hash of the transaction var priv_key= ".. ... make the first version canonical or the second version non deterministic....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have this array, and I want to convert it into a CSV file, the problem, is that the array does not ... when opened with open with OpenCalc or excel shows something like this:...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to execute the following command via popen but not sure why it is not working and not error message thrown ... . Any idea why popen does not function in this case?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    如题。 要怎么做才行。 用AutoCAD可以转换,网上也有一些工具可以转换。 但是要自己用代码实现要怎么做? dwg文件打开是16进制混着字符串,要怎么进行转换? 谢谢各位了...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    正常运行H5页面是这样的 运行微信小程序是这样的 报错信息 请问下这种情况怎么处理?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to make a custom browser working with ARKit in background. I set UINavigationController as rootViewController and ... . And home indicator does not occupy any area....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    在提出这个问题之前,已经在各社区 搜索引擎看了很多关于如何突破限制的文章 既然如此,我为什么还要提出这个问题?因为那些解决方案还是难以解决我所需要的 需求如下: 要求该小程序以正常流程走动 非设置 个人信息等 ... 将堆积的页面栈移除,不过发现目前能够一次性移除多个页面栈的只有 wx.navigateBack, delete 没有测试过,应该是不可行的 ...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have to search inside a json file with a value from my input, everything is fine capturing the value and the event, but ... , both the if and else are executed at the same time....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    1.请问下python test.py -h 127.0.0.1 -port 3306像这种方式是如何编写脚本实现这种方式传参的呢 ,而不是python test.py 127.0.0.1 3306 2.我想写一个test.py --help的帮助文档是怎么写的呢,主要是对-h 和 -port这两个参数做解释### 问题描述...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    我的 devServer: { proxy: { '/proxy': { target: 'https://dic.pixiv.net/api/', // 外部接口地址 changeOrigin: true, // 是否允许跨域 pathRewrite: { / ... 径根本没有生效,请问要如何解决? 是因为axios设置的默认前缀覆盖了proxy配置吗?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    第一种写法 class test{ public $a; protected $b; private $c; public function __construct($a, $b,$c) { $this->a = $a; $this->b = $b; $this-> ... 写法有什么区别吗还是没有区别,能想到的就是第二种a,b,c三个属性都是为public...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    使用<el-time-picker is-range>组件,期望是显示的时间选择是23:00 - 06:00,但是最后出来的效果是在第一个时间选择框那里才能选择6点之前的选择,而且选择了之后就变成了05:00 - 23:00,我想问一下有办法解决吗?...
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I (and my team) currently plan to automatically generate Word documents from text sources. However, we often need to embed ... (typically not PDF). Thanks a lot for your help....
asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a model which uses an InlinePanel to reference another model (ClubTimetable) which itself contains an M2M relationship ... , it looks like this (Initial) (Adding timetable)...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Q: "Ask the user how many numbers they want to enter. Let them enter this many numbers and write them to a text file. Each ... 1) + " ") file.writelines(user+" ") file.close()...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to extract date features (Day, Week, Month, Year) from a date column of a pandas data frame, using pandasql. I ... , Humidity FROM df ''') df2.head() Data Frame Example:...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    C1,C2,C3,C4 就像这样以逗号分割的列,如何按逗号进行拆分,转为和原行ID对应的多行。...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Problem Statement : I want to secure APIs using ping identity OAuth 2.0. I am following this blog ... Route("[controller]")] public class WeatherForecastController : ControllerBase...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    webpack打包后生成了 LICENSE.txt 文件,哪个大佬知道这个文件从哪来的以及如何设置才能不生成这个文件。...
asked Jan 25, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    My Xamarin.Forms app displays the name of multiple items in a Listview. The name of the article is displayed by a Binding ... explain it to me in more detail. Thank you very much....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    xcode 12.2 macOS 10.15.7 xcode debug view hierarchy卡在capturing user interface 期望1: 想知道怎么解决这个问题。 因为已经影响改bug了。 期望2: 想知道为什么?...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an image of 360x360 matrix I want to Implement a bilateral filter over this IMG I tried to implement ... filtered_image_own) I tried to implement this in Labview but failed...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to add the string json-csv.com/?u= before a URL such as http://api.open-notify.org/iss-now.json with NodeJS. ... ://api.open-notify.org/iss-now.json'); console.log(fullUrl);...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to pass through a button a parameter which is its input value and save it in the data base. More ... python. Any help would be appreciated. Thank you in advance....
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    哪位大神帮忙生成个密码,万分感谢 `using Microsoft.AspNetCore.Cryptography.KeyDerivation; using System; namespace SyWeb.Admin.Utils { public static ... , (KeyDerivationPrf) 0, 10000, 32)); } } }`...
asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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