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自动后台备份

I'm currently working on a project that uses CoreData for data saving in swift, and for the purpose of synchronization I wanted to use iCloud, and the first thing I thought was on the CoreData iCloud

通知状态栏图标不

As the title say when i launch i notify the small icon on the status bar doesnt change color to white and is almost invisible: Notification n = new Notification.Builder(this) .

为什么在GoDIDENT上用GD2上传1.5 MB文件来创建拇指图像的致命错误

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 3537 bytes) in /home/soft22bdtask/public_html/sto/system/libraries/Image_lib.php on line 1471 $config_manip = array(

如何使标记不以Android为中心?

I have a slinding up panel in an activity and i need the panel to be expanded on start, so when I do it it covers up the marker. How do I make the focus of the map be a little higher. I tried the

基于内容的UITExtVIEW高度动态变化

I am new to iOS,My task is sending feedback screen,In this there will be name textfield, email textfield and feedback textview which were presented in a UIView.Based on the content in feedback

为什么我

I have a stateless ejb3 which is working fine, but eclipse is showing the following error beside the Ejb class name : Multiple markers at this line - CHKJ2050W: The ejbPassivate() method must exist (

NPM安装似乎不正确

I try to install the npm in an Alpine linux container and I get the stack, $ npm install npm WARN prefer global node-gyp@3.6.2 should be installed with -g > phantomjs-prebuilt@2.1.14 install /

验证Excel文件时出现语法错误

import pandas as pd import xlrd ER= pd.read_excel (r "C:\Users\user2\Documents\Daily activities plan") print(ER)

检查存储是否为空离子4存储插件

I am fairly new to Angular/TypeSript/Ionic 4 so this may be a bi silly but I am using the Ionic Storage plugin, , that you can find in this page "https://ionicframework.com/docs/building/storage".

JS如何通过面部索引找到人脸顶点?

In my Three.js project i have a mesh using a buffergeometry. Using raycaster i find the intersection of a ray with this mesh in a specific face of which it says me the index. How can i find

OpenCV SVM分类器图像识别

I am using C++ and OpenCV 3.3.1 I try to train a SVM with OpenCV my steps are: Preprocess the Image Feature Extraction with SURF creating the DataSet for learning positiv and negative Images

Python:我有文本文件,需要按升序日期时间数据排序

I have Python code (3.x) like this. The code is read data from the database and write into the text file (file2.text) which date are folder name & last modified date. I need to sort data of last

月份返回日为第四而不是4 [重复]

Is there an API in the .NET framework that returns an alphanumeric suffix along with the day of the month, given a DateTime instance, like so? 4th March 2019 instead of 4 March 2019 or 21st

在GO-LAN中声明一个位(0或1)并向其追加更多位

How can i declare a bit(binary) and append more bits to it later on for GO language. The size of the bits is dynamic base on the number of bits that will be appended to it. Then once finished

索尔罐

I have changed some rights within a new core (solr 7.7.1) I am trying to configure. That has now led to failing to start the core on solr start. The rights look allright to me and everything else as

LaaVel-Login控制器::身份验证()在每个登录时不被激发?

I'm trying to log the IP address and login timestamps when users log into our system, and in order to do so I have overriden the authenticated() method of the LoginController : function authenticated(

如何使用谷歌分析追踪网站上的MP4视频?

I wanted to know, how we can track mp4 videos on website using google analytics? The video is embeded version of youtube

OpenCV

im using one of opencv's sample code "stereo_calib.cpp" to get the intrinsic and extrinsic of my stereo camera. but im not sure what kind of measurement opencv used in the: -s=<square_size default=

面对误差以下

We are facing issue related manifest marge after changed in merged file error is "The prefix "tools" for attribute "tools:node" associated with an element type "uses-permission" is not bound." , why

角度7在到达服务器之前请求服务器数秒等待

I built and finished a full angular 7 app with MySQL and PHP as database and back end language respectively. Each sent request, even with small size response, like 100 byte, will take extra few

使用PARSEL选择器提取类名内容时绕过EM标签

I'm trying to extract the contents of the class name. How to do I extract all the contents including the ones inside the 'em' tags and after the 'em' tags too? See picture below: I tried the

OWN云的迁移与谷歌驱动为主存储

I have my owncloud server setup in Digital Ocean(Ubuntu server). I wish to migrate it with customers data to the Google cloud(Debian server). The main thing is, I want to use Google Drive as my main

在NETBeaS或Eclipse中,VSCORE中的CTRL D是否有类似的功能,可以一次更改多个行?

I just wanted to know if netbeans or eclipse has a similar function to vscode that can allow multiple lines to be changed at a time (Ctrl+d)

多次滚动的DeaveReVIEW在第一次滚动时非常慢,非常恼人和不可接受。

i have tried multiple answers, also set the cashe size to the recyclerView,but no success. layoutManager = new LinearLayoutManager(getActivity()); recyclerView.setLayoutManager(

jQuery递归切换儿童

Im not an expert on JQuery so here it is. I have an HTML that looks like this: <ul class="first-class"> <li class="second-class"> <a href="#_"> <i class="fa fa-

建立Django人群身份认证代理问题

I am trying to authentificate user to crowd service using this packages : https://pypi.org/project/django-crowd-auth/ django-rest-jwt I work behind a proxy using CNTLM : i configured os

戈兰的意思是什么?

I was looking at the go code for aws terraform provider, as I myself want to create a custom terraform provider. And i ran into something like this: func resourceFile() *schema.Resource { return &

SQL中的xMLAGG函数

How can I use XMLAGG without using group by function in sql.

我有一个巨大的if语句列表,希望清理我的代码

This is 4th day learning how to code, I'm still a little confused about some of the basics.It has pygame, pygame.text, So essentially my code looks like this. #Mouse click to get mouse Position

如何使用GETHuxErMeta Meta?

I try to do this in wordpress : SELECT * FROM `ZGCxrEcMusermeta` where meta_key like 'CoursRL_%' in wordpress i start with : $TOne = get_user_meta($user_id, 'here my query', 'true'); all my next

使用脸谱网SDK显示登录弹出对话框有问题

I'm using AWS Amplify, React and Facebook SDK to let users sign in. It seems to work but the pop up shows and closes right away. I have tried this code, FB.init and FB.getLoginStatus and FB.login

如何在透明RCT SVG上设置阴影

I want to have a drop shadow on a transparent SVG element. I have tried using all different kinds of filters but to no avail. css3 filters on the svg element(filter: drop-shadow(0 -6mm 4mm rgb(160, 0,

使用否定字符集的星形时为什么不回溯

Actually i understand what is backtracking, which is the state when the engine applies a greedy quantifier, which result in other atom failure so the engine starts to backtrack to the previous state

从大型ITELLIJ项目创建JAR文件

I am trying to create a jar for my intellij project. The problem that I am facing is that most tutorials such as: TUTORIAL EXAMPLE show that in order to generate the jar file I have to go to this menu

无法回滚JDBC事务;嵌套异常是Java.q.L.SqExExc:Oracle Oracle。JDBC.Dealth.T4CCONNECT419F8104关闭

Could not roll back JDBC transaction; nested exception is java.sql.SQLException: Connection oracle.jdbc.driver.T4CConnection@419f8104 is closed. Spring version:spring-jdbc-4.1.7.RELEASE org.

如何将此API数据存储在Windows .SeaStestStor或Windows .LoalStur蓄中?

I have this JS code that fetches data from an opensource API and gives me 10 results. If I refresh the page I get 10 new results. I want to store the first 10 fetched result in a localstorage or

PHP CAN

So I hace this pdo statement: $sql = "SELECT FD_DATUM_INGEVOERD || ' ' || FT_TIJD_INGEVOERD FROM BANDZENDINGEN WHERE FD_DATUM_INGEVOERD BETWEEN '".$bt."' AND '".$et."' AND FI_GEBRUIKER1='".$uf."'

SPORY COLYTYPE = COLLY加倍,当数字有逗号和点时,没有拖尾字符错误。

i have squared data in txt file with "|" separator data with value like this no| value 1| 3,123.00 2| 1,122.75 import it with this code: library(readr) data <- read_delim("file.txt", "|",

为什么我能

I want to login using username and password that is stored in firebase realtime database.But my code does not work.. I include my database picture and code..please help me.. This is database image

如何使用MigICONIN创建聊天功能?

MagicOnion is Realtime Network Engine like SignalR, Socket.io and RPC-Web API Framework like any web-framework. i want to make chat feature using this framework but there is to few documentation.

动态更改代理配置目标

In my angular application, I am using proxy configuration file consisting of some proxies. My file looks like this. proxy.conf.json { "/login": { "target": "http://w3:8080", "changeOrigin":

嫩枝罐头

(Hi!) I'm trying to do a condition in my view but I have the following error : Unexpected token "name" of value "OR" ("end of statement block" expected). And I don't know how to fix it, here is my

从R中删除数据文件中的用户名

I want to remove usernames from a column in my dataframe. I tried below method, however I can remove western names but not Indian names. Kindly suggest me how to remove Indian usernames from the

在密码聚合中计算符合某一标准的记录比例

Imagine I have a graph which I query with that MATCH (n:Class)-[:HAS]->(i:Item) RETURN n.id as Id1, i.id as IdI, i.isWhatever as Criterion getting IdC IdI Criterion

错误:RealLink /VAR/LB/DOKE/OFLAL2:无效的参数

This morning I was getting this error when executing docker-compose up ERROR: readlink /var/lib/docker/overlay2: invalid argument

MSSQL中完全事务日志的实际原因

I have a database (recovery mode = full), its transaction log is full. I know that i can solve it by shrinking the transaction log to fix the issue. I would like to know the reason why it became

C嵌套模板问题

GCC 7.3.1 compile the below code while clang 8.0.0 does not. I would like to know if this syntax is valid (in which case I will report it as a possible clang bug). Thanks for your help. template<

C 11移动一个向量到另一个-传递一个rValk引用到构造函数

I am trying to understand C++ move semantics, std::move() and rvalue references. I've implemented this example. #include <iostream> #include <vector> int main() { int totalSize = 6;

如何在NGCART中使用变量

<ng-container "let test= someList[1]"></ng-container> I want use variable in ng-container But that code is not working. How to make it right?

如何调试NPM应用程序

I'm using run/debug configurations to run npm application: and I run it in debug mode. I don't know why but the application does not stop in breakpoints I put in the code. The command I have in

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