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OpenMP在我的程序中花费更多的时间

I'm using Ubuntu 16.04 as Windows subsystem and gcc 5.4 version. In addition, I am studying at my university. These days, I am interested in parallel programming, so I've coded many codes, but there

微服务世界中从Oracle DB到PostgresSql的数据同步

Recently we are converting from EJB monolithic application to SrpingBoot micro service appilication,In EJB application we have the jobs which gets the data from external system and insert records in

R通过合并另一个数据替换多个列

I want to replace mupltiple columns by merging another data. For example: I have two data frames, I want to replace columns of dat2 by using dat1. set.seed(1234) dat1 = data.frame(userId = c(1:

MySQL与C语言实体框架

i'm following the MySql tutorial to entity framework as listed here: https://dev.mysql.com/doc/connector-net/en/connector-net-entityframework60.html I have installed in my project via NuGet: - Entity

SQL-找不到任一列

I'm not really good in SQL and I did some searching and couldn't really figured it out how to use STUFF. I mean it looks simple but when I use it, there's always an error. Anyway, here is the portion

SQLite WALMODE不支持内存模式?

I create my sqlite DB connection by using memory mode: connection = DriverManager.getConnection("jdbc:sqlite:file:" + dbName + "?mode=memory&cache=shared") And then use WAL-mode by excute: "

识别所有可能的ASPX查询

I'm webscraping an aspx page using Selenium in Python. The form to search requires that the user input a certain text field for the identification number (not a dropdown menu). Is it possible to

多个标签jQuery中的验证

I have problems in doing validation in multiple tabs. The validation only works on first tab and the other tabs has no validation in it. Im not familiar with jquery so i dont really understand the

在Ubuntu服务器上设置Python脚本

Hello I just finished my a project this last spring and built a ~1500 line Python/MySQL Raspberry Pi home automation server. I have a home server built with Ubuntu Server installed and have

为时间戳嵌入CRL内容或OCSP响应

Just stuck on how to embed crl/ocsp response for timestamp into signature.(iTextSharp) Basically, when I add timestamp on signature, by default, it doesn't embed timestamp's crl/ocsp, therefore,

I'm trying to initialize an array, set it to hold other variables, and then use it whenever the user presses a button on my form. When I try to use the array in the button1_Click class, it doesn't

节点环境中的AWS AppSyc在每个示例配置时会对AcyCyLaLoad存储错误

Following the example provided in the docs I find the following message repeated many times in the logs: redux-persist asyncLocalStorage requires a global localStorage object. Either use a

如何选择多对多关系表中连接的数据

Relationship Table i want to select all components in material table and the equipment_name in equipment table. the equipment_name is connected with the id_material and id_equipment. 1 material can

加载具有包信息更新依赖性(包括需要DEV)的作曲器库

Loading composer repositories with package information Updating dependencies (including require-dev) My computer shows that: what does it mean?? And also : Problem 1 - This package requires

Unity DI中的注入因子()是如何工作的?

I'm new to Unity IOC and I have the following code that I'm trying to understand: public static void RegisterDbSet<T>(this UnityContainer container) where T : class { container.RegisterType&

视频不

I have been playing around with the vuforia and unity. I have searched a lot but count find the answer to this so please help. My target is detected and it shows just white plane but doesn't play any

数组与sd::初始化函数列表作为函数参数

I can write a function which take a temporary array(such as {1, 2, 3}) as an argument in two ways: // using array template<typename T, int N> auto foo1(const T(&t)[N]) -> void; // using

如何在Gracql缓存中设置状态值

Each todos have an edit buttons at the end of it, when i click on complete, edit button of the particular todo which was clicked, gray out. Now my concern is when i refresh the page, it re-renders the

抨击脚本

Attempting to move directory which contains sub-directory to the /opt using perl. Just perl. #!/usr/bin/perl -w use strict; use warning system( 'echo "Copy the application directory here and paste

在Python中向特定用户发送Auto0Press通知

I am wondering how I can send an Auth0 push notification to a specific user in python. It’s also mandatory to check the authorization status as well. I tried to sort this out form the Auth0 APIs, but

使用日期计算Excel公式

I am upgrading a "Sales pipeline" spreadsheet for my boss. At the moment he dumps all of the information onto "Sheet1", and then "Sheet2" reads it all, # of opportunities and potential value by

如何在Django中从一个模板发送参数到另一个模板/视图?

Ok, so i have in my views.py these functions def main(request): if request.method == 'POST': return newFunction(request) return render(request,'user/main.html') def newFunction(

PrimeAsple对话框组件中的模态属性

There is an attribute named modal in Dialog component of PrimeFaces. Checking the user guide, it just says it controls the modality of the component. But I just don't get it and want to know what it

贾戈-奥拉特

Recently i tested the app on a live server with heroku. my site has a name example.com has a .herokuapp.com attached. Everything was working fine with the social login i had no issues at all. Now

使用结构中定义的类型作为结构内函数参数的类型

typedef struct flag { int8_t (*valid)(Flag flags[]); const uint8_t requiresValue; const char* name; uint8_t active; char* value; } Flag; How do i have

从WordPress到ASP.NET的HTTP API的集成

I am trying to create a Website that can synchronize the User/Password from WordPress and Points from WooCommerce to my ASP.Net Website it is possible to sync it using HTTP API? Note: when the users

成对数据,双变量进入列联表

I have a paired data set with two categorical variables (year and extent) ID year extent A 2017 Not at all B 2017 Partially A 2013 Substantially C 2017 Fully B

在Perl中解码JSON对象导致错误/怪异行为

I am currently attempting to pass an Object between JavaScript and a Perl script. I am using JSON.stringify() on this Object and it is outputting the following JSON format (only kept the parts that

GangelJS单元测试失败。

Controller Code: var element = document.getElementById('#elementId'); element.style.display = "block"; When a unit test is executed (which executes the above code in controller), it fails with the

ReaTJS/Express AXIOS邮政回程404,邮递员工作

I have no idea what I'm doing wrong here. The POST method works from Postman, but doesn't work from the React frontend. users.js (/api/users/login) // @route POST api/users/login // @desc Login

[-[N$Va] ]与[B[VaR] ]在BASH中的差异

Is there a difference between these two options in Bash: # 1 if [[ "$VAR" ]]; then #2 if [[ -n "$VAR" ]]; then If not, are there situations that really require the -n option?

谷歌AppEngine——指定自定义生成依赖项

My app needs cmake, libx11-dev and libpng-dev to build. I came across this documentation, which leads me to believe that I can list these as dependencies for my app to run on the Google App Engine

文件访问后拒绝访问错误。

File.Copy(sourcepath, destinationpath); WordprocessingDocument wordprocessingDocument = WordprocessingDocument.Open(destinationpath, true); This gives Access denied error in the Open function. I have

枚举结构是否比类继承快?

While parsing some input in C++, I came upon this question: Is it better to create multiple classes and a base one or it's better to create an enum with a struct to determine the type? typedef enum {

函数声明中参数的常量限定

I have the following function declaration in a header file: extern void flash(const char *message, const enum msg_type type); Basically, it takes two parameters and push a corresponding message into

添加超链接的用户输入范围

Recently I try to make a new macro for Excel Workbooks where the user can input the range of cell that need to add hyperlinks, where each cell have value/name of an images Sub RelinkImage() Dim xStr

将新函数添加到LIPPtho.a中。

I am trying to modify pthread_create. To be specific, in create_thread, I want to remove CLONE_FILES flag. I also have functions requires normal pthread_create. So I duplicate code of pthread_create

不添加到DOM的JavaScript事件

As an exercise I have to do a little online bike reservation app. This app begins with a header which explains how to use the service. I wanted this tutorial be optional so I wrote a welcome message

NDA电子签名场所

Apologies, but I know this is the wrong section of SE for this question: if someone could direct me (or re-post to the correct site) that would be great. I would like several developers to look at a

AWS Web应用程序CORS错误

I'm trying to use the Google Classroom API through my AWS EC2 web app (PHP-based), but I keep running into a CORS error. I'm following this tutorial to try and request a new scope: https://developers.

插座

I am trying to connect my front-end which is on a online text editor to my Node server. I am hitting network error strict-origin-when-cross-origin and it is not hitting the Socket IO listener. Please

如何在iOS中连接蓝牙设备的外围设备

First of all, I know how to discover peripherals and connect with them. What I don't know is, how could I ensure that the peripheral that I am connected with is the bluetooth device that the phone is

当用户单击链接时,如何重定向到另一个页面,然后链接

Well, each user has a show page where he post links . so If a user clicks on a link it redirects to an analytic page briefly (as twitter-analytics) then redirects to the link original destination .. .

Spring微服务中的ZUUL路由混淆

I have to spring microservices and being ran on docker containers each connecting to my discovery service being ran on port :8080. I see them all getting register and when i try to access one of the

当没有循环时如何通过停止迭代。

I wrote this code which is a generator function that loops over the input iterable sequence, yielding one element at a time, but skipping duplicates. It then prints them. seen = set() for n in

Unity面板不能正确安装屏幕

I am making a little game in Unity3D and I came across a little problem, when I made a Panel inside a canvas, it shows perfectly when in Unity, but in the game, the text doesn't even show or anything.

设置行中元素的间距

I have a website that generates unique rows based on data from a database. There is the source name, then some text about the row. What I am trying to achieve: SOURCE NAME | This is some demo

@类型/AppabyDebug JS的类型编辑器编译器问题

I have an angular application using Microsoft applicationinsights-js. Somehow tsc -p command gives an issue while converting this to javascript. Is it due to incompatible versions of typescript and

如何使用ASP.NET VB.NET从数据库列获取数据并在DROPPDIST列表中显示

I try to get year from one column in sql database which is column UPDATE_DATE. and i want to display it in dropdownlist. But, comeout this error.DataBinding: 'System.Data.DataRowView' does not contain

从后端的单词列表中生成一个随机单词并在前端显示

I am new to Django and trying to learn more in detail. Currently working on a problem where I need to generate a random word from a pool of words and display it in the front end web page. I am able to

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