WeChat QR Code


Something is wrong with my models,or in the way I am trying to implement my algorithm. models.py class Profile(models.Model): username = models.OneToOneField(User, on_delete=models.CASCADE)


By the mistakes I have committed and pushed wrong data to sever and also i have build on Jenkins. How can i remove this build?


I've come across this link that briefly describes the advantages of the Redux selector pattern: https://gist.github.com/abhiaiyer91/aaf6e325cf7fc5fd5ebc70192a1fa170 They provide an example of


Is there PHR (Personal Health Record) mobile app that provides an API for third party developers to pragmatically communicate with hospitals servers. And it allows using the personal health management


I'm trying to assign memory to all cells for the purpose of code conversion and getting an error "Variable 'x{1, n}' is not fully defined on some execution paths. " How do I fix this? %n=14

Python PSUTIL代码行不通

I'm trying to make a command line tool that has features like sending packets, processes, ect. but the pidexist command doesn't work def pidexist(): print("infunction") #just testing if it even


I trying to use raw MySQL query to get data from multiple database, but I don't know where to start. For example, I have database A, B, C This three database having same tables. I want to search for


I have three models class User(models.Model): username = models.charField() class Base(models.Model): serialNum = models.CharFields() is_active = models.BooleanFields() class User_Base(


I'm having an issue with a program I am trying to create. This program is like a credit card and the issue is that the amount of money I put in the 'Credit' variable doesn't seem to affect the


What is best way to sort a list in alphabetical order? and Is there any way to sort Unicode strings(in another language) just using the Unicode values?

GITLAB CTL重新配置长期滞留

the command gitlab-ctl reconfigure is not returning with gitlab configured! output. Please find the screenshot and help. Thanks in advance!! EDIT 1 : I have edited /etc/gitlab/gitlab.rb to unbundle


Here is a pandas.DataFrame df. | Foo | Bar | |-----|-----| | 0 | A | | 1 | B | | 2 | C | | 3 | D | | 4 | E | I selected some rows and defined a new dataframe, by df1 = df.iloc[[1,

AWS MySQL版本没有合适的驱动程序找到MySQL [复制品]

i have created mysql db in AWS . its working through mysql work bench. when i connect the db using java the following exception java.sql.SQLException: No suitable driver found for aahbs06vwbadaq.


I am trying to get products by their colors from database using SQLAlchemy queries. The problem is , i am getting no results after executing the query, i am using in_ operators to match the colors


I have a MySQL with a few 100,000 tables. This is currently the best design for my system, since these tables are not related to each other and select queries will only be down on a single table. In


Ive been coding for a mod Im making for a game but I ran into an issue with tables not returning values when the key is entered: for k, v in pairs(self.math) do print(self.exce[1]) print(self.


I am new to Google Cloud Platform. If I understand correctly I can do load balancing between multiple VM instances directly from the console, which is great. My question would be if I need to have my


I am trying to set up a different toolbar for each of the 3 different fragment 'destinations' under the new Navigation architecture component. I am running Android Studio canary 3.2 Beta 1. Whilst


I have a generic method Method<T>() and I have a list of types like below : public static readonly Type[] AllPossibleTypes = new Type[]{ typeof(A), typeof(B), typeof(C),


I have created a Admin Login Portal. Admin can Create, Update, Read , Delete Users as well as Departments (like Software,Hardware, Marketing, HR etc) How to authenticate other User

我想招募一个这样的字符串列表:001, 002

The title tells all. I want to create a List that looks like this with recursion: 001,002,003,004,005,006,007,008,009,010, . i need this as an String. Can you give me a result? Thanks :)


I have the following code here: import pandas as pd from sklearn.linear_model import LogisticRegression from sklearn.model_selection import train_test_split from sklearn.model_selection import


So I'm trying to show the json data that I got and I succesfully show the data from "MenuRole" except data from "cmsmenuschild" array object.I'm tried my best to figure out how to show the from that


Hey I have a reusable list component where I can add items and adds a sum of the prices, and I want to have this component in a parent component where I have the total of the sums and a button to add


I'm using Xamarin Studio and GTK# (.NET), and I'm trying to use GPG to generate keys, encryption and decryption. I've done this using batch, but I have to use GPGME. I've found GPGME-sharp, but I do


I have forgot what is added in manifest file but in xml file i use android:scaleY="1" and android:scaleX=".9" Can anyone help me to find ou this solution.


I would like to allow users to sign in with Facebook when a user has an existing Google account. So the users can sign in whether they choose Facebook or Google. Currently, I can create an account


CODE public class QuestInspectingFragment extends Fragment{ // public static ArrayList<String> mParentStepsList; public ArrayList<QuestObject> mRealQuests; public ArrayList<

Python -传递函数的其他参数的参数的默认值

I would like to write a function in which the default value of one argument is a function of some arguments that are being passed to the same function. Something like this: def function(x, y =


I am very new to socket programming. I have tried different server and client codes to run a local connection using Windows and python 3.6 The latest tutorial that I am following is at: http://www.


I am using Alert myAlert = driver.switchTo().alert(); myAlert.accept();


I'm using vuforia with hololens on unity 2017.4.3f1 I've tried the sample ImageTarget_Astronaut and it works fine. I've added the same Image to the Target manager, downloaded the database, and


I have a web service which consists of a backend and a forntend, and in the frontend I use an API uri which can change depending on the environment the service is being deployed to. Using webpack's


I searched quite a bit, and still cant seem to grasp the work flow, and file arranging of tokens, the lexer, and the parsor. Im using plain c with vs. Went through countless tuts, and they seem to


So I'm building a simple 5-page web app with react. The components are written as stateless as this app is super simple. Everything seems to compile correctly but clicking the menu items changes the


most threads suggest that to privatize a variable, it should be declared like _var or __var to emulate private variables as described in PEP8. I read here that we can use @propertyto make a variable


I need to display a website navigation using collapsable tree in R with a shinny application. The application should contain a text box for entering url of the website and the output should be


When creating a new thread the regular way I can set the IsBackground like that Thread t = new Thread(foo); t.IsBackground = true; t.Start(); But how can I do it when running a lambda thread? new


Seems like broadcast receivers cannot be registered without an Activity.I want to make a widget to display my ip address, how can I make it refresh at every time I connect/disconnect WIFI?


I want to improve ibm’s Watson assistant results. So, I want to know the algorithm to determine a dialog in Watson assistant’s conversations. Is it a svm algorithm? A paper is welcome.


I am trying to develop a website and when I am trying to create a connection and insert data in to the database mysql_connect() error makes me crazy. The error is php_network_getaddresses:getaddrinfo


I encounter a problem using kettle 8.1 for data integrating as follow(but kettle 7.1 works): 2018/06/24 14:58:54 - 工单 - ERROR (version, build from 2018-04-30 09.42.24 by

在循环数据帧和访问外部范围变量时获得Null PoExtExchange异常

okay, I want to iterate DataFrame and operate each row with outer scope DataFrame variable but I am getting NullPointerException when I access to outer variable. here is my code val outer: DataFrame =


This is my first post here, please adjust me, if I'm doing anything not in common way. What I'm after - I'm writing a Java code to create a bot to automate some web-site research, it's needs to be


As different option has different information to input I want to ask how can I have additional ion-item after an option is selected from ion-select. These are my codes: <ion-item> <ion-


It seems you can simply declare: import qualified Control.Category as Cat instance Cat.Category q => Functor (q r) where fmap = (Cat..) Is there anything speaking against this?


This is from my homework on algorithm. prove ∑(log(n/i))=θ(nlogn), i=1 to n. I could finished these steps: ∑(log(n/i))=log((n^n)/(n!)) =log((n^n)/(sqrt(2πn)*((n/e)^n)*(1+θ(1/n)))),

TabLVIEW({ HealeFoeHealeReNe:)不工作Swift 4.1

I am implementing an UITableView within my UIViewController. I have been able to get my text to display with a custom UITableViewCell, but I can not find a way to put spacing between my cells. I have

RFC 2822格式-包括附件吗?

Some background - I am trying to use the Gmail rest API to send an email with curl/libcurl. I am able to send a regular plain text email, but I am struggling to make sense of the API docs regarding


I created an aws account a year ago. And I reserved a t2.small instance for 1 year. Now I want to switch to t2.micro and I was wondering if I am still eligible for free tier? During the previous year