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I have a REST web service that receives an object as input. The object has a Boolean variable inside, but sometimes instead ... the service goes into error. How can I avoid this?...

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

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微信小程序预览是网络请求发不出去，真机调试就可以，配置了https合法域名

微信小程序预览是网络请求发不出去，真机调试就可以，配置了https合法域名...

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

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mysql - "Duplicate entry" even though the column has UNIQUE constraint

I'm trying to drop some columns which I'm no longer using in my table. I've got a single column ... WHERE attackcode = "e3cce98b6aa8085ed6a960d2afcd4dca"; Empty set (0,00 sec)...

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

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brew install nginx特别慢

试了切换镜像还是特别慢，有其他的安装方法吗...

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

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c# - How Do I save variables to a new text file so that those variables are loaded the next time the program runs?

new C#er here. I'm making a console based RPG. It's coming along quite well, but I need to find out how to ... , hp, hpmax, level; Any sample code would be greatly appreciated....

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

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在vue.config.js中怎么配置将一个第三方库编译成es5

const path = require('path'); function resolve(dir) { return path.join(__dirname, dir); } module.exports = { publicPath: '/wf/', ... : { compress: true, port: 9000, proxy: {} }, };...

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

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el-calendar如何切换渲染指定月份？

为了实现类似这样，点击上边日期选择后切换到对应的月份，求教...

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

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php - Require both text and numbers in address field in WooCommerce

In the address fields for WooCommerce people tend to forget to put in a housenumber, so to fix this I used a code ... to add a text requirement to this code next to the numbers?...

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

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如何快速批量将格式为.csv的股票交易数据导入DolphinDB

我有4000只格式为.csv的股票交易数据，想要快速写入到分布式表中，具体的文件储存方式如下：如果用多线程或多进程，如何保证同一分区不被多个客户端同时占用？...

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

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When trying to export this array as a CSV file in php I get an empty sheet

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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Raw UDP Socket in Java

Now, I know there are other posts on this, but I made this as the only ones I found wherefrom like 2018. What I want ... know what else to say as this is kind of a dull question....

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

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jQuery-ui中的resizable控制范围没有放大到指定大小？

拖入到表格中，resizable控制放大到外围的父级框（相当于元素父级的父级），如果向左放大只能向下拉着放大，向右拉着放大到这个大小就不行了，请问是什么原因，用的是jquery-ui.min.js，resizable中缩放也只写了containment: '#qemd',handles: "all",...

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

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原生的Promise的微任务是怎么实现的

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

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How to Create Twilio Conference Before Calling Anyone?

I'm looking for a way to generate a Conference resource within the Twilio system before adding anyone to that ... , which would require making conferences before anyone is called....

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

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Android Studio (Navigation Drawer Issue)

Image I was trying to make a navigation drawer on Android Studio but It seems my design display is not working. Nothing ... is happening. Hope someone can help me out. Thank you....

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

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localVideo.html:1 Uncaught SyntaxError: Unexpected identifier？

es6模板字符串，想传递两个参数player,i，提示错误localVideo.html:1 Uncaught SyntaxError: Unexpected identifier？应该怎么改？其中player是一个对象 <span ondblclick="switchGroup ... {i})">${(i-1)*25+1}-${i*25}</span>...

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

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How do I find the value at a certain position in an Array in C#?

I need to iterate through an Array and find the sum of the odd, and the even positioned values. Here is what I have, but I'm getting the error ... int[] { 1, 2, 3, 4, 6, 7, 8 }); }...

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

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app登录接口和session咨询

后台和APP的登录接口一般是分开还是同一个呢？现在还使用session吗？使用session的话app端接口如何处理？如果用JWT的话又无法注销登录，也不好访问的时候自动延续过期时间啊。谢谢各位不吝赐教...

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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python 3.7 - Does pickle remember loaded packages from the script it was called from

I am using gp_minimize (skopt) to optimize a multibody simulation in pybullet and pickle the optimization results (the ... file know about the packages that were loaded before?...

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

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728 views

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screencast - Screen cast from Windows/Android to linux device connected indirectly

I was recently thinking about establishing a receiver of Wi-Di (aka Miracast) from my SBC with linux (Armbian at the ... in advance, I'll appreciate all relevant ideas or links....

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

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请问我在其他组件里commit了store的change，但是App.vue里showLogin1为什么没有更新？

//store.js change(state,x){ state.showLogin1 = x console.log("change啦",state.showLogin1) } //App.vue data() { return { showLogin1: this.$store.state.showLogin1 } },...

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

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js找出重复的字符串

规则: 找出指定长度的重复的字符串, 未匹配则返回空字符串 function getSameStr(str, n) { // } const res = getSameStr('71235912304', 3) console.log(res) // '123' 希望得到结果: '123'...

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

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Continue writing to a file with max size in C++

I want to write to a text file with limited size (1KB for example) and when the file reaches the maximum size I want the first half ... ,9] the new file will look like: 4 5 6 7 8 9...

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

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1 answer

php引用传值问题

$arr = []; $str = "傻逼"; $treeArr = &$arr; for($i=0; $i < 2; $i++) { $word = mb_substr($str,$i,1); $treeArr = &$treeArr[$word] ?? ... ; } print_r($arr); 请大佬解答一下为什么会得到如下结果？没看太明白，感谢...

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

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4.1k views

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react-native 部分华为机型闪退添加googlePlayServicesVersion 的疑问？

部分华为机型闪退搜索原因可能是 react-native-device-info 这个依赖，需要添加 googlePlayServicesVersion = '16.+' 参考文章： https://ostack.cn/a/11... https://blog.csdn. ... 这行代码，但是他们版本号不一样请问这个版本号该怎么写？是依据什么的？...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python 3.x - How do I resolve this filtering challenge in data to DataFrame?

My data in code snippet below refers. I'm stuck in trying to filter out values inside the list of dictionaries in step2. * ... 0.00 0.00 as desired. Help is very much appreciated....

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - RecyclerView with RoomDatabase an ViewModel

I'm showing my recycler view like this: parrafoLeyViewModel.allParrafosLey.observe(this, Observer { recyclerview_lectura_ley. ... in the same position. I am using ViewModel...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - How do I remove spacing around elements inside ".container-fluid"?

Here I'm creating a header with display: flex; for perfect horizontally centering my elements inside that and not vertically ... js/bootstrap.js"></script> </body> </html>...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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