C# : How to get text from each line in RichTextBox
To get the text from each line in a RichTextBox in C#, you can use the `Lines` property of the RichTextBox control. … Read More C# : How to get text from each line in RichTextBox
Tag: populate
Resolving potential false negative C6385 Error in C++
This question is most likely common and has been asked before. So, after spending a mind-numbing 30 minutes trying to find the solution to what I believe is a false negative, I’m resulting to posting my issue here. I’m relatively new to C++ Coding and figured I’d create a simple random item generator. Unfortunately, when… Read More Resolving potential false negative C6385 Error in C++
splitting a string using '\0'
let’s say I have a char* ./a.out\0a\0b\0\0. I want to split it and the result to be a char** of value { "./a.out\0", "a\0", "b\0", "\0" } I’m using pure c + POSIX but if an answer contains parts of the c++STL I don’t mind that, just avoid the memory inefficient ones like std::string >Solution… Read More splitting a string using '\0'
How to fill the missing attribute value with null | python |
I am been trying to implement the logic , But not getting how do I start My xml as below data in which if you see the child root as 3 attributes If any one of the attribute is missing it should be populated as null in that case Code : import xml.etree.ElementTree as ET… Read More How to fill the missing attribute value with null | python |
How to get in a superclass full names of all methods in subclasses that start with the same two letters in python
I have number of subclasses all of which have number of methods whose names start with "on.." eg.: def on_index(self): raise NotImplementedError() def on_spiking_intent(self): raise NotImplementedError() def on_no_option(self): raise NotImplementedError() I would like to write a method in the superclass which prints a list of all the "on…" methods of its subclasses and specifies to… Read More How to get in a superclass full names of all methods in subclasses that start with the same two letters in python
created a new column in a pandas dataframe based on multiple different conditions
I found a similar question here, but it did not help me because my case is different. I have a huge dataframe that looks more or less like the example below: x y st mt ast sr c7 z w 0 mt 2 1 4 2 2 a yes 1 b 3 3 3 3… Read More created a new column in a pandas dataframe based on multiple different conditions
Multiple async queries in nodejs (mongoose)
I am a nodejs newbie. I have two simple models, User and Story. Here is what I want to do: I want to retrieve all stories that have {status:"public"} and store it in an array called retrievedStories. Then for each story I want to use its "user" field (which contains the object id of the… Read More Multiple async queries in nodejs (mongoose)
Cannot change state of Array due to "Order and size of this array must remain constant" Error
Whenever I upload a new set of files React throws the following error: Warning: The final argument passed to useEffect changed size between renders. The order and size of this array must remain constant. Previous: [] Incoming: [[object Object]] Here is the code I am using: export default function Files({ onChange }) { // Step… Read More Cannot change state of Array due to "Order and size of this array must remain constant" Error
Flutter Listview.Builder inside bottom sheet widget not loading data on load
The below code does not display any data when the bottomsheet loads. Once the bottomsheet is loaded if I do a save operation on the code editor it loads the data. What am I missing here? I have a bottomsheet widget which is invoked using a button. _showBottomSheet() { showModalBottomSheet( context: context, builder: (context) {… Read More Flutter Listview.Builder inside bottom sheet widget not loading data on load
How to do a select insert statement in sql with a changing value in the column for each row
Basically what I am trying to do in sql is find a way to do a select insert statement where all of the values in the other columns will stay the same but one of the columns value will increase by 1 for every row that is created. I am wondering if there is a… Read More How to do a select insert statement in sql with a changing value in the column for each row