If I understand your post correctly you want to access a specific subcollection of all documents. If so, you are looking for a collection group query, which reads documents from all collections with a specific name. Accessing that in Python is (according to the documentation linked above) done with: museums = db.collection_group(u’landmarks’)\ .where(u’type’, u’==’, u’museum’) … Read more
MainActivity.java class has not been defined in your AndroidManifest file , this could be the reason for your crash Add this to your Manifest file <activity android:name=”.MainActivity” android:exported=”true”/> 0 solved After adding SplashScreen, the application crashes [closed]
You make members private so that nobody outside the class can access them. This goes inline with the principle of information hiding. Your example should look like this: public class AccessModifiers { // You can only access this inside of the class AccessModifiers private int Abc { get; set; } internal void SetValue(int x){ // … Read more
Negative numbers for an index takes the values starting from the end of the array. solved What does python array -1 mean? [duplicate]
You seem to want aggregation: select disport, actualagent, . . . , country, sum(pallats), sum(gross) from t group by disport, actualagent, . . ., country; You need to list all the columns where the . . . is. 1 solved Select distinct record from table and perform Sum of column (Pallats, Gross) of a duplicate … Read more
im new to making discord bots with node.js, i am having trouble with an error, it says that message is not defined in line 14 and 18 solved im new to making discord bots with node.js, i am having trouble with an error, it says that message is not defined in line 14 and 18
Regarding your updated code: const limit = !options.limit || options.limit === NaN ? 0 : options.limit If options.limit is falsy, this will set limit = 0. Else, it will use options.limit The second condition is not required because NaN is a falsy value. It is already covered in !options.limit condition. Also, options.limit === NaN is … Read more
You can try following code: import pandas as pd df1 = pd.read_csv(“Insert file path”) df2 = pd.read_csv(“Insert file path”) df1[‘Date’] = pd.to_datetime(df1[‘Date’] ,errors=”coerce”,format=”%Y-%m-%d”) df2[‘Date’] = pd.to_datetime(df2[‘Date’] ,errors=”coerce”,format=”%Y-%m-%d”) df = df1.merge(df2,how=’inner’, on =’Date’) df.to_csv(‘data.csv’,index=False) This should solve your problem. 4 solved how to save sql query result to csv in pandas
Use fgets. This answer is for C. Change scanf(“%s”,a+1); to fgets (a, sizeof (a), stdin); 2 solved Not able to check an empty string
Try: SELECT * FROM table1 WHERE folio = ‘123456’ AND cm_flag !=’X’ AND certificate_no NOT IN (SELECT CONCAT(certno1,’,’,certno2,’,’,certno3,’,’,certno4,’,’,certno5,’,’,certno6,’,’,certno7,’,’,certno8,’,’,certno9,’,’,certno10) FROM table2 WHERE tofolio = ‘123456’) 1 solved compare two table with row and column
Try this function getResult(keyToFilter, valueStartsWith){ return _.filter(results, function(d){ return d[keyToFilter].startsWith(valueStartsWith); }) } getResult(“name”, “asdfui”); [{ “id”: “203”, “name”: “asdfui uiuu” }, { “id”: “205”, “name”: “asdfui uyu” }] 0 solved Underscore filter array of object using like query
Some languages, you showed a python example, support generators that don’t have a return statement, they yield a value on each iteration. In Python, the statement: result = someFunc() makes result refer to a generator object, which you can then use the next() builtin to get the next value. In the Python for loop the … Read more
In case to signal “failed to create object” C++ class constructs throws exceptions for this purpose. Some languages / projects prefer to use exceptions more to keep happy-pass happier while others may not. solved good practises null object return [closed]
You’ll only be able to get the friends which also use your app, and you’ll need the user_friends permission for that. Please read the docs first: https://developers.facebook.com/docs/apps/changelog#v2_0_login https://developers.facebook.com/docs/graph-api/reference/user/friends Quotes: Friend list is no longer part of the default permission set and has its own permission: Asking for access to a person’s friend list is now … Read more
Imports System.Net Imports System.Net.Mail Private mpMessage As MailMessage = Nothing Private mpSMTPSvr As SmtpClient = Nothing ‘———————————————————————— ‘-> Send The Message ‘———————————————————————— MailerHost = “Addrss-of-your-emailer-host-server” mpMessage = New System.Net.Mail.MailMessage() mpMessage.Body = “Message body text goes here” If Trim(SenderNameValue) <> “” Then mpMessage.From = New System.Net.Mail.MailAddress(“[email protected]”, SenderNameValue) mpMessage.Sender = New System.Net.Mail.MailAddress(“[email protected]”, SenderNameValue) Else mpMessage.From = New … Read more