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Mastering Development

DQL from Doctrine QueryBuilder doesn’t work

I’m trying for hours to execute a simple DQL joining two entities : // Join entities $queryBuilder ->from(Association::class, ‘a’) ->innerJoin(Domaine::class, ‘d’, Join::ON, ‘d.id = a.domaine_id’) ->orderBy(‘a.nom’); But the getQuery() raised a QueryException : Fatal error: Uncaught Doctrine\ORM\Query\QueryException: **SELECT a.nom, a.sigle, a.dateCreation, d.domaine FROM IDea\Entities\Association a INNER JOIN IDea\Entities\Domaine d ON d.id = a.domaine_id ORDER BY […]

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Mastering Development

How to divide an array into a tree of buckets sized by powers of two?

How do you take a number representing a list of items, and divide it into chunks, where the number of chunks is a power-of-two, AND where each chunk also has a power-of-two number of items (where size goes up to a max power of two, so 1, 2, 4, 8, 16, 32, 32 being the […]

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Mastering Development

Find out if there’s equal elements in a list in a column in R

I have a column like: > example [,1] Col.1 "a,b,c,d,e" Col.2 "a,e,d" Col.3 "b,e,f" Col.4 "a,e" Here, a and e is equal, because whenever a appears, e also appears. How can I find this? I tried using duplicate() but it only found "duplicate", not really "equal" elements. > dput(example) structure(c("a,b,c,d,e", "a,e,d", "b,e,f", "a,e"), .Dim = […]

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Mastering Development

DOM Event.StopPropagation to child has no effect

I’m doing a tutorial about Events and I’m stuck with Event.StopPropagation() method. It seems that with my example that the bubbling effect to the children are being affected. Definition of StopPropagation: The stopPropagation() method prevents propagation of the same event from being called. Propagation means bubbling up to parent elements or capturing down to child […]

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Mastering Development

For loop in c returning wrong value

image of issue with output I’m reading a set of numbers from a file (1 2 3 4 5 6 7) and when I print them out in the while loop it returns the correct numbers. In the for loop directly below it, it’s returning random numbers (under loop through array). Anyone know what is […]

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Mastering Development

Count duplicates in a row using only one cell formula (no conditional formatting either)

I have a row of data, let’s say (a, b, c, d, e, a, c) I want to count the number of duplicates – in this case, 2 (2 a’s, 2 c’s) However, I do not want to use COUNTIF(RNG,A1)>1 and drag out for the entire length of the list. I would like to search […]

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Mastering Development

Why am i getting a stacked text label in table view swift

Why am I getting a text that stacked like this? I know i can just delete the ‘lbl’ text from the inspector, but I don’t believe I should get something like this. what did i miss? thankyou in advance here’s my code: class ViewController: UITableViewController { let name = [ "a", "b", "c", "d", "e", […]

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Mastering Development

Why does my code only run when I use printf?

I have a problem. When I compile this code using:gcc main.c -Wall -std=c99 -lcrypto I don’t get any errors. However when I run the code in console it should output something like this: $ a.exe Starting 18446744073709551615 iterations now. Starting at 11144000000 Done. Solution: caesar at 11144802215 Total time taken for 802215 iterations: 16 seconds […]

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Mastering Development

Why does my code only run when I use printf?

I have a problem. When I compile this code using:gcc main.c -Wall -std=c99 -lcrypto I don’t get any errors. However when I run the code in console it should output something like this: $ a.exe Starting 18446744073709551615 iterations now. Starting at 11144000000 Done. Solution: caesar at 11144802215 Total time taken for 802215 iterations: 16 seconds […]

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Mastering Development

Parent Child Table Based on Indentation

I’m trying to create a Parent (Column C) to Child (Column D) to Alias (Column E) based on the indented hierarchy in Column B via Macro. I was able to get Column C, D, E the way it is via Macro by making a copy of Column B into Column A and filtering on the […]