Month: January 2023

[Solved] Regular expression match against a string (blue:bar AND darkblue:foo) to darkblue

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[ad_1] These are some patterns that I have written that work (in order of least efficient to most efficient in terms of “step count”): Step counts are based on this sample input: (green:bar AND black:foo) (blue:bar AND darkblue:foo) (yellow:bar AND grey:foo) (greengarden:bar AND red:foo) /(?:red|blue|green)(*SKIP)(*FAIL)|[a-z]+(?=:)/ Demo (513 steps) /\b(?!red:|blue:|green:)[a-z]+(?=:)/ Demo (372 steps) /(?<=\(|AND )(?!red:|blue:|green:)[^:]*/ Demo … Read more

[Solved] Processing the data in a matrix in r [closed]

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[ad_1] NOTE: Your question as it stands is not appropriate for this site. You should include a minimum reproducible example. Include code that you’ve tried and where it’s causing you trouble. At this point, you’re likely to continue getting down votes, and your question may potentially get closed. Be aware of that. Please visit the … Read more

[Solved] C# – Constantly adding 9 digits

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[ad_1] Even after your edit, I don’t find the question very clear. However, I do think I understand that you are essentially trying to generate a random BigInteger value, and that you want the random value to be within a range defined by some specific number of digits. For example, if you ask for a … Read more

[Solved] Explain the PHP code & exit() function [closed]

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[ad_1] PHP will create your function regardless of the exit(). Then, you call writeName() before the exit(); so it behaves as expected. (outputs and dies) try this: <?php echo “My name is “; writeName(); exit(); echo ‘I am still alive!’; function writeName() { echo “JEWEL AHMMED”; } and the “I am still alive!” will not … Read more

[Solved] House robber in Python Explanation

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[ad_1] In this code on each for iteration doing like below: temp = last last = now now = max(temp + i, now) so this code in c++ actually looks like: last = 0; now = 0; for (int i = 0; i < num.length; i++) { temp = last; last = now; now = … Read more

[Solved] Display issues on website after selecting language [closed]

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[ad_1] You should probably mention what technology you are using for the translations. Also the issue seems to be that you are using a sub-folder for each language. Ex: https://www.hollandmarineparts.nl works but https://www.hollandmarineparts.nl/nl doesn’t. It seems that the routes are broken for when you have a language other than default. (determined from the errors in … Read more

[Solved] How to store the entered data into a remote database?

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[ad_1] I’m assuming you want to communicate with the remote server through API.To Send POST and GET request to the server, means to create a connection between the server and Android Application.There are many libraries to make HTTP request for example Retrofit,Volley etc, These powerful libraries make it easy to consume JSON or XML data.You … Read more

[Solved] SQL select column of attributes with latest date [closed]

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[ad_1] Since you didn’t specify which RDBMS you are working on and the table schema, then you can do this: SELECT t1.tenantId, t1.ExpiryDate FROM tenants AS t1 INNER JOIN ( SELECT tenantId, MAX(ExpiryDate) AS LatestExpiryDate FROM tablename GROUP BY tenantId ) AS t1 ON t1.tenantId = t2.tenantId, t1.ExpiryDate = t2.LatestExpiryDate; The inner join will give … Read more

[Solved] Google Maps Marker giving a null reference on Android [duplicate]

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[ad_1] Based on the logcat output that you have provided, the first thing you need to address is the fact that your mMap variable is null. My guess is that you’re either calling displayLocation() before the onMapReady(…) callback has fired, or your class isn’t equipped to handle the callback at all. If you’re using the … Read more