wewe | Open group chat messages to the world | Chat library
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kandi X-RAY | wewe Summary
Open group chat messages to the world.
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QUESTION
I have written a query to fetch gender and name of the employees from tables e and profile
on the basis of employee id emp
Now I have a table like:
ANSWER
Answered 2021-Feb-17 at 15:10Try this code given below=>
QUESTION
I've been having issues with parsing data into MATLAB from a text file. The text file has discontinuities between its strings (it has spaces), and it seems like every time I tried to import the data into MATLAB it just combines everything and messes up the data. I would like to basically read the text file (attached) and import the corresponding strings with their values into a structure. I also tried to import the file into Excel and see if I could delimiter my data in a nicer format so I can easily import it into MATLAB but excel also does not like the data format and it breaks every word into a column which messes up everything as well. Any help would be greatly appreciate it.
Here is what I have so far for the code and the output is attached here:
...ANSWER
Answered 2020-Sep-22 at 19:19I was able to figure it out doing the following:
QUESTION
So I am using React Context and Hooks for the first time. I followed a YouTube tutorial and I have user authorisation and authentication working, however I am really struggling to figure out how to access the active user and if this user is authenticated with class components. The tutorial I followed only used React Hooks and I have a mix of hooks and class components for my project. In the Code I have provided below, if we look at the NavBar class, it can easily check if the user authenticated as this is a hook component. I want to be able to do this for class components such as App.js and Step1.js. In App.js I have tried this using the context api documentation.
...ANSWER
Answered 2020-Aug-22 at 08:22Basically when the user logs in, you should be returned with a Security token key, most common would be JWT(JSON Web Token), you should store this token in localstorage
or cachestorage
and retrieve this in your components and see if the user is authenticated or not. If you don't have proper implementation of JWT, then you can for now use a boolean variable and check if the user is logged in.
You should have protected Route setup. I'm attaching you the snippet to store values in localstorage.
loginComponent
QUESTION
I have the following nested list
...ANSWER
Answered 2020-Jun-11 at 15:44Use a regex on the str/repr of the nested list?
QUESTION
table format:
id,path,reformated_path
123,"https://www.ddf.com/wewe/rer/ff/w.jpg","https://www.ddf.com/wewe/rer/ff/123_w.jpg"
124,"https://www.ddf.com/wewe/rer/ff/eewe/2324.00.jpg","https://www.ddf.com/wewe/rer/ff/eewe/124_2324.00.jpg"
125,"https://www.ddf.com/wewe/rer/ff/eewe/23.00.png","https://www.ddf.com/wewe/rer/ff/eewe/125_23.00.png"
...ANSWER
Answered 2020-Jun-10 at 04:04You can use the combination of SUBSTR
and INSTR
as follows:
QUESTION
I searched hours to resolve my issue, but without results.
I'm using node.JS 12 with mysql and i'm getting a er_parse_error when doing an insert operation. Here's the code :
...ANSWER
Answered 2020-Feb-06 at 03:15In your SQL use parentheses in your VALUES clause, like VALUES (item1, item2)
rather than VALUES item1, item2
QUESTION
I have an array with two elements. When my sportsPaperRank is this format xxx-xx-xxxx and weight starts with 80,and search.sportsSwim === "hi" || search.sportsSwim === "hello", I need to ignore that value, but right now its ignoring both the items, but I need to display first item, because the value of weight starts with 55. Can you tell me how to fix it?
Right now I did a regular expression check and match check, but nothing working. Can you tell me how to fix it?
...ANSWER
Answered 2019-Sep-09 at 19:53You can do this with three regular expressions.
To check that a string starts with80
:
/^80/
^
asserts that the match is at the beginning of the string80
matches the character literal string80
exactly
QUESTION
I am trying to fix the sort using map method so I created separate variables for mappedData
and sortedData
. The problem is I am not getting the values sorted.
The third object has 'a' values, so it should be sorted in ascending.
...ANSWER
Answered 2019-Aug-29 at 11:37QUESTION
update 1: hey updated logic in sandbox, still its not sorting in ascending order, can you update in my sandbox :( https://codesandbox.io/s/frosty-swartz-fh3sb
- I am trying to do a sort on the basis of heightValueStart and animalNumbersRank.
- so I added sortColumn when I map through entire array.
- for some scenario there wont be animalNumbersRank so I added an if condition
- and then I sorted, but still not sorting.
- can you tell me how to fix it.
- providing my console, data and code snippet below
ANSWER
Answered 2019-Aug-28 at 08:23The problem is that map
creates a new array, whereas sort
modifies an existing array.
In essence:
QUESTION
I'm currently trying the following:
I have multiple arrays defined. They all are filled by fetching data from the database, so they all contain the same columns/data structure, but with different data. For example, lets say the arrays are different schools, so there is:
...ANSWER
Answered 2019-May-28 at 20:06Procedure code demand exporting logic to function:
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