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图形显示傅立叶变换

I have a problem with the end of my code. I would like to display the last two curves, the problem is that at the beginning the size of YY is 288 and then after the equality with diff, my size goes to

MySQL只选择其中有多个ID匹配的一行

I'm trying to select multiple IDs using mySQL, PHP and PDO as Follows: $scheme_ids = "23,24"; // get details for all permitted schemes $stmt = $pdo->prepare("SELECT * FROM schemes WHERE id IN(?)"

在SpringBoot,当我可以在catch中编写代码时,为什么需要有单独的注释@异常处理程序注释?

I have a basic doubt - why do we need @ExceptionHandler annotation for exception class separately when we can write our error message and details in Catch block itself? Kindly help

改变帧速率后保存AVFACER视频

I am changing the Frame rate of the video to fast forward and reverse video, but how can I save the video to the library after changing frame rate in swift.

使用Type前缀NGX Bootstrap防止文本更新

I implemented Typeahead component successfully following the official ngx-bootstrap documentation. Now the problem is that the component automatically updates the text typed by the user with the value

在NavestScript VUE应用程序中存储一个值

Im making a simple application with nativescript-vue, on the home page i have a button that launch the scanner so i can scan a product. Here is my home page : <template> <Page class="page"&

谷歌脚本将谷歌板的多个列编码为单个编码的Base64字符串

I have a google sheet with multiple columns. I want values of column a,b,c,d,e to converted into a single base64 encoded string. example: A1 B1 C1 D1

获取Azure应用程序细节时获取AzuraDApple投掷错误

I am trying to fetch Azure AD app details using Get-AzureADApplication command. But this command is throwing below error. "Get-AzureADApplication : You must call the Connect-AzureAD cmdlet before

未能生成本地扩展的SqLITE3

I need to install older version of sqllite3: I tried: gem install sqlite3 -v '1.3.13' But I get: EMP-SOF-LT075:admin_pci test$ sudo gem install sqlite3 -v '1.3.13' Building native extensions.

科尔多瓦ButoButk-防止ButoButoGoBead到上一页没有确认

I am using the Quasar CLI version 0.15.20 which has the dialog $q.dialog for confirmation. I want to control the backbutton on android device not to go back to previous page if the user doesnt confirm

是否有一个谷歌API来验证Gmail是否从Java有效?

I have to debug a google contact management app and the problem is sometimes there is some synchronization problem because some mail are deleted on google servers but they appear active in application.

iOS平台上的垂直滚动位置总是0

After launching the app and scroll the page. When navigating from one screen to another through button action, when trying to keep the vertical scroll position of the page on button action using $(

如何处理量角器中的Windows身份验证弹出窗口?

I am new to protractor and facing an issue while handling the authentication pop up in protractor. Please find the attached screenshot. Authentication PopUp Please suggest me any solution. Thanks

如何在没有jQuery的情况下检测鼠标是否在画布内的物体上?

I'm trying to make a small 2d hockey game where the player selects the puck and shoots it. At the moment my code allows the player to select the puck from anywhere on the page, but ideally I would

尝试在JavaFX中启动屏幕后切换阶段

I'm trying to display a splash screen until I load all necessary resources and open the main stage afterwards, but I keep running into InvocationTargetException. In other words, my primary stage

Maven部署插件/阴影插件:DON

I'm trying to both build an uber jar using the maven shade plugin (to build a docker image) and also deploy the project jars to a maven repository. I do not want to deploy the uber jar to the maven

在构建VisualStudio解决方案时执行附加任务

Is there any possible way to configure a visual studio solution. My requirement is. I have a latest dll available in nuget and need to download that to a particular folder and then use the same as the

PageSheet viewcontroller没有正确显示

Have a PageSheet view controller, which is not displaying correctly, the nav bar buttons are over the top of the status bar, this is ugly but usable on most phones but on iPhone X unusable. Its an

如何实现搜索功能

I'm writing some of the features in a web project (similar to a web disk), in which I have difficulty writing a search function that can search the corresponding file by keyword and display it on the

HPC:计算时间的估计

I use a multi-user cluster with LSF_platform. I have been requested to estimate computing time over a year. I analyze results produced by others, and in my work I use a multitude of applications. I

如何在C语言中用RSA私钥加密数据

I'm working with a third party API which developed by Java. It require to encrypt data with given RSA private key to generate signature. But 'RSACryptoServiceProvider' in C# only allow encrypt by

函数返回记录集后编译错误

I have a rather simple issue I suppose as I'm just learning Access, but couldn't find any solutions from the forum. In my code there is a function that is returning a recordset and it does that just

使用微软C.Syb库或JSON模式构建自适应卡?

I am new to building webchat bot. I have one built one webchat bot in C# using the Microsoft Bot framework. I now need to add an Adaptive card to the app, my basic question is - Should I build the

如何在IE11中使用SeleWeb驱动将浏览器分辨率设置为2610×1610

I want to set the IE11 browser resolution to 2610*1610 using Selenium IE driver automatically through scripts

如何将控制台应用程序转换为Linux BASH程序

I wrote a small console application that I am using to compress and decompress folders and files, everything works well, but it behaves like a normal program for the user, like that: I want to change

造型动态内容

I currently have a simple application which is fully functional and queries data using php and sql. However, I am struggling to style the website as attributes don't seem to be applying. I am using

对Word文档的编号进行编号

How to numbering equestions automatically in word document. For example y = mx + c, i want to number at the center and the number of equation appeared at the end of the page as

构建助手Maven插件目标:ReGEX属性如何访问生成的属性

I try to parse version of project into new variable named build-number, i use following plugin <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>build-

DTCORTEXT绘制表格不工作?它

enter image description here Just like this table

大型文件的JSON解析

I want to parse json to c# class .so that I can store data. My json file contains : { "screen": { "0": "42x11", "1": "16x16", "2": "40x30", "3": "32x32", "4":

如何在没有任何存储过程的T-SQL中动态传递值?有可能吗?

Can I pass any value dynamically without a stored procedure here ALTER PROCEDURE Ev @v1 int AS BEGIN IF (@v1%2=0) BEGIN PRINT (+cast(@V1 as varchar(10)) + ' is even') END ELSE BEGIN PRINT (+cast(@

谷歌图表(规范)不显示从数据库VB.NET获取的数据

a noob here. I tried to use the data that I get from the database using the webmethod in VB. visual basic <WebMethod()> _ Public Shared Function GetChartData() As List(Of datadetails) Dim

Uncaught TypeError:$Ajax不是函数L.Tyelayel.BeTwitWMS函数

Hello guys I'm trying to display an onclick popup for my wms but I get this error Uncaught TypeError: $.ajax is not a function. I followed the instructions and downloaded jquery-3.3.1.js from this

ValdB Java客户端在lambda函数中使用时抛出异常

I get the following exception when I try to write into VoltDB using the java client with ssl enable and running my application as a lambda function java.io.IOException: decrypt task failed at org.

为什么购物电子商务网站用反建店?

I am new to React language. I have been working in the Shopify store for a year. Now they updated their store to React. if React is for the single page web/application then Why Shopify Implemented it?

更新时,通过JSON响应更新全局变量时添加DIV

I am trying to update an .append that has a dynamic variable inside that receives the data from a web service. I get the data however how do I update the div that holds the dynamic variable? this is

用值初始化EnUM变量

I have declared an own enum type. export enum MyEnum { FIRSTENTRY = 'B', SECONDENTRY = 'F', } I also get some data from a service. res:[{ID: 1, description: "someText", MyEnumType: "

IIS RDLC报告查看器2015网站需要管理员权限

I am getting white page on my ASP.net web application while using simple RDCL report while the identity on the Website's Application Pool is a simple windows user memeber of IIS_IUSRS but when i join

通过G流光的视频流

I try to check video rtp stream on my Windows OS computer using command on server: gst-launch-1.0 filesrc location = d:/TestVideos/lama.mp4 ! qtdemux ! video/x-h264 ! rtph264pay ! udpsink host=192.

在Lails PrGRES-RGEO项目中查找LAT/Lon记录

Having Table Neighborhoods, which looks like this: id: 1, title: "Sun City", state: "CA", geometry: "MULTIPOLYGON (((-117.1935499999999 33.74306900000005, -117.1935729999999 33.74198700000005, -117.

CSS位置前景

sry for my bad english here is my Problem: The "Home" is a H1 element and i want it in the background Here is my css Code: ul li { float: left; width: 19.86%; background-color: black; opacity: .

UITExtfield不工作的检测

I'm trying to detect mentions (using @) in a UITextField. Basically, what's I'm trying to do is convert the text String that's being entered by the user into an array and then loop through each item

如何调整视网膜图标在咕噜声中?

I use Grunt spritesmith for collection my normal and retina icons in one sprite sheet together. My main problem is that, retina icons size are bigger than normal one about 2x, and I want to use same

获取给定日期的开始日期的日期

I am trying to get the start of the week from a given date. For example if i passed in a DateTime of 16/08/2018 i would expect a return of 13/08/2018. Everything i have found is to find the start of

自定义按钮单击未激活

The following code instantiates jqgrid along with a custom button once the columnModel is available. This works fine. export class SomeComponent implements OnInit{ private _someService;

XMLHTTPREQUEST不可达端点

I have the following function which works as expected. var getJSON = function(url, callback) { var xhr = new XMLHttpRequest(); xhr.open('GET', url, true); xhr.responseType = 'json';

基于变量值的角度条件名

I have two global variables in my Typescript file: private myVar1 = 10; private myVar2 = 150; I have a custom element which in the html can take [name] attribute. E.g. this is how a conditional name

变色的下拉颜色

I was trying to change the colour of the selectinput dropdown in Shinydashboard, and I wasnt able to change. Here is a simplified example of what I am trying to do library(shiny) ui <- fluidPage(

Boo::迭代器的平坦集不能合并

I'm trying to use boost::flat_set for small sets of iterators which I require to be unique. The code does not compile as there is an ambiguous call to make_reverse_iterator, but I'm not sure how it is

如何创建点击ASP.NET下载的超链接

I have some code that produces URL links based on what the user has searched, this links are to file paths in an internal file directory. When we use the website in IE, when clicked the links

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