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QUESTION
I am using LINQ queries to compare two lists (genres & matching) to see if matching
contains any Elements of genres
.
The Query:
...ANSWER
Answered 2021-May-20 at 19:44== definitely is your issue here. However, it isn't clear what you are comparing. If they are classes, the default implementation of == is going to compare the class hashes. Thus, they'd have to share the same instance of that data in both lists for that to work correctly.
I would, instead, focus on specific primitive properties that must equal both sides. Either that or you have to implement IEquatable<> on both types and then use .Equals() (instead of ==) in order for it to call your interface method. You could also override == directly, but that should always be a last resort as it isn't type safe and could break expectations of other devs in the future.
QUESTION
I have created a list of dict that handle all the needed data. I want to pass them into a function.
This function await multiple parameters. I want to write the parameters_key and their corresponding values on a dictionary to separate data and functionality.
How can I make my dict_key correspond to param_key to not rewrite the keys on the function call ?
...ANSWER
Answered 2021-Mar-09 at 20:45You can use
QUESTION
I am writing an application in Springboot to fetch records from a database and then call an external rest api to update records into some other table. This code is completed and working as expected. As I need to improve performance as well. I am trying implement mulithreading while calling API, so that I can send multiple records at a time.
Structure :
...ANSWER
Answered 2020-Sep-11 at 11:42The code is wrong here:
- There is no point to create new ExecutorService per request execution.
a better approach would be creating it only once and keeping it as a data field of the ProvRecordProcessing
component. Creating threads is expensive + in your approach, you don't know how many threads can be created simultaneously (what if this method is called by many users in parallel - if each creates thread pool you it can be really expensive).
In addition to the above if you use the thread pool executor you should ideally close it when the application shuts down, so don't forget to call close on predestroy or something.
- Don't create a service with a
new
keyword, Spring won't be able to manage it and won't "process" any annotation of it (Autowired, Value, etc), so this code is wrong:
QUESTION
I'm writing a test case to test a component that invokes a static method accepting 5 arguments. I want to know how I can do that.
Earlier I have been successful in mocking static method with 0 and 1 arguments. However when I mock a static method with more than 1 argument, it returns null. Following is a simplified version of what I'm trying to do. The static method has 2 arguments.
...ANSWER
Answered 2019-Oct-04 at 15:01In this particular case the any(String.class)
fails to match the null
passed when exercising the test
QUESTION
I have the following XML with namespaces.
...ANSWER
Answered 2019-Sep-24 at 19:23Try using Beautifulsoup for parsing xml:
QUESTION
I am creating a web site. In this web site I use a SOAP request to get a response. First of all I I used cURL to send the request and I got the response. But , when I tried to print_r XML response, it gives me this -
SimpleXMLElement Object ( )
Basically what I want to do is, I want to read these XML line by line as I want. Lets say I want to get ConversionId.
So, how can I do this ??
Here is the function I used to send the SOAP request.
...ANSWER
Answered 2019-Mar-12 at 13:04Turns out SOAP responses are not as friendly as XML. You'll need to do a little trickery to get to what you want to achieve:
QUESTION
I am working on a Entity-Framework-Core 2.0 query. The query needs to sort 2 tables by the "order" field. So far that's what I have:
...ANSWER
Answered 2018-Sep-27 at 18:14You cannot do sorting (OrderBy
) inside the Include
method. Sort the data after the query.
QUESTION
I am sending json data by ajax to controller but i can't my data in final.
Codedata that i send in playload
ANSWER
Answered 2018-Sep-21 at 18:30You'll probably have to evaluate each array individually. I can't think of anything off-hand that will validate multiple rows at once. However, since text_dec and longtext_dec can be nullable or missing, you'll need to take that into account when you get the values:
QUESTION
since Samba is meanwhile fully able to act as Active Directory replacement, I plan to setup it for a school network (using old XP and Win7 clients). I installed all my packages from the Ubuntu 16.04 LTS repos.
Setting up the server worked pretty well, but after joining the domain via WinXP, I cannot loggon: "username or domain not found".
/var/log/auth.log
...ANSWER
Answered 2018-May-10 at 09:12Problem solved: samba provides its own kerberos admin server - no need to install it on my own :S
QUESTION
My file looks like-
...ANSWER
Answered 2018-Feb-06 at 08:22It is usually better to use dedicated CSV parser for complex csv modifications.
HOwever for your requirements, this perl
script may work:
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