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Is using jwt tokens as correlation ID a good practice?

By : bluemix160325
Date : July 31 2020, 03:00 PM
this one helps. Unless you plan on generating a new JWT for each request, then a JWT is probably not the best place to store your correlation ID. Here is one example of why this is the case. Many websites, such as Facebook or Stack Overflow, issue long lasting JWT which either never expire, or expire very infrequently. If you store the correlation ID in the claims section of the JWT, when it is created, then all requests made by that user would have the same correlation ID. This could at least partially defeat the purpose of the correlation ID, because now different request flows might appear to be the same thing.
If you are using Java here, please look into using mapped diagnostic context (MDC), a framework which can seemlessly make a correlation ID in the request header available to your application for logging purposes, across all microservices.
code :

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Good practice / Bad Practice - Pointers and setting values - Objective C

By : user2877432
Date : March 29 2020, 07:55 AM
Does that help You should read Memory Management Guide to learn about alloc, retain, ...
You're allocating back button (= you own it) and you do retain it too (= you own it twice), thus you have to call release twice too.
code :
self.navigationItem.backBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:self.title style:UIBarButtonItemStylePlain target:nil action:nil] autorelease];

A good practice for using the spring security plugin with tokens

By : rthomble
Date : March 29 2020, 07:55 AM
I hope this helps . I found a very clear example after hours of searching. https://github.com/brahalla/Cerberus. It does exactly what I want.

Find genes with good correlation from a correlation matrix

By : Anonymous
Date : March 29 2020, 07:55 AM
may help you . I have matrix file which is basically a spearman correlation matrix between genes across various cell type. So now Im trying to find out which set of genes or group of genes whose correlation value is lets say greater than 0.6 if I set that as my threshold. How can I do that? I'm posting a subset of my data. It's a 502 x 502 matrix. , Here is an example:
code :
mat <- cor(longley)  # example 7 x 7 correlation matrix

# Find indices of correlations greater than 0.6
idx <- which(mat > 0.6 & lower.tri(mat), arr.ind = TRUE)

# names of the resulting variables
cbind(rownames(idx), colnames(mat)[idx[, 2]])
      [,1]         [,2]          
 [1,] "GNP"        "GNP.deflator"
 [2,] "Unemployed" "GNP.deflator"
 [3,] "Population" "GNP.deflator"
 [4,] "Year"       "GNP.deflator"
 [5,] "Employed"   "GNP.deflator"
 [6,] "Unemployed" "GNP"         
 [7,] "Population" "GNP"         
 [8,] "Year"       "GNP"         
 [9,] "Employed"   "GNP"         
[10,] "Population" "Unemployed"  
[11,] "Year"       "Unemployed"  
[12,] "Year"       "Population"  
[13,] "Employed"   "Population"  
[14,] "Employed"   "Year"    

Is it good practice to store google tokens in local storage

By : ketan mevada
Date : March 29 2020, 07:55 AM
wish helps you It does not matter where will you save tokens at front-end, because even in a case when you will be exchanging them witch back-end - you will need to send them with the request. (all data which is placed at front-end is unsecured)
So everyone will have access to them inside the inspector network tab.

Is it a good practice to store JWT Tokens in memory

By : user3678427
Date : March 29 2020, 07:55 AM
will be helpful for those in need The only reason I would store JWT in memory would be to do blacklisting. Also, if you have multiple servers, you will require a to use something like Redis. The main advantage of JWT is to avoid a database lookup upon each session request as compared to the traditional session Id. So unless you want to do JWT blacklisting, no need to store the token in memory.
Also, keep the expiry time of JWT very less, like 1 hour and use refresh token to get a new access token once expired. One suggestion here is to have a rotating refresh token. It is also recommended in the article ITEF RFC 6749. This can also help in identifying the token theft scenario, i.e. refresh token been stolen by an attacker. If you are looking for a better explanation, head over to this link
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