te | TE : C++17 Run-time polymorphism library | File Utils library
kandi X-RAY | te Summary
kandi X-RAY | te Summary
Your C++17 one header only run-time polymorphism (type erasure) library with no dependencies, macros and limited boilerplate.
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QUESTION
I got an order from school so I've tried to make them. This is my code:
...ANSWER
Answered 2021-Jun-14 at 15:11Your code has an error in it, which is the use of break statements within the if and else clauses. If you remove the breaks, it should work.
break statements can only be used within for/while loops and switch statements. You can't use them (and don't need them) in if/else statements.
If you click "run code snippet" on your example, it shows the error message Uncaught SyntaxError: Illegal break statement which would help you find this issue. Also, if you open your browser's JavaScript console, you should find this error message where you are running your code. This will help you find and fix errors in the future.
QUESTION
void merr_liber()
{
FILE *fp_merr_liber;
FILE *fp_librat;
struct merr_liber input;
struct librat liber;
char isbn[13];
int zgjedhja;
fp_merr_liber = fopen("librat_e_marre.txt", "ab+");
fp_librat = fopen("librat.txt", "r");
if (fp_merr_liber == NULL)
{
printf("\nError merr_librat.txt nuk mund te hapet\n\n");
exit(1);
}
if (fp_librat == NULL)
{
printf("\nError librat.txt nuk mund te hapet\n\n");
exit(1);
}
while (!feof(fp_librat))
{
printf("\nISBN: ");
scanf("%s", isbn);
fscanf(fp_librat, "%s", liber.isbn);
if (unike(isbn, 13) && valide(isbn, 13) && !strcmp(isbn, liber.isbn))
{
strcpy(input.isbn, isbn);
fprintf(fp_merr_liber, "%s\n", input.isbn);
break;
}
if (strcmp(isbn, liber.isbn) != 0)
{
printf("Nuk ekziston nje liber me kete isbn.\n");
printf("Deshironi te vazhdoni ? (1- vazhdo 0- kthehu ne menune kryesore): ");
scanf("%d", &zgjedhja);
if (zgjedhja == 1)
{
continue;
}
else
{
menu();
}
}
printf("Gabim ne formatin e isbn, isbn ka 13 karaktere, te cilat jane unike.");
}
fclose(fp_merr_liber);
fclose(fp_librat);
}
ANSWER
Answered 2021-Jun-14 at 18:46You're trying to get a new string as an input in every iteration of the while loop which is probably not what you want.
One thing you can do is create a different while loop and use fscanf() until the end of file is reached and compare each string gotten from the file with the string that you want to find, also don't forget to move the file position pointer to the beginning of the file after the end of file is reached.
QUESTION
I am trying to add a ruby tag for every word in a paragraph. The html doc looks somthing like this
...ANSWER
Answered 2021-Jun-12 at 19:51Looking at the documentation one way might be to leverage new_tag() and decompose(). As you want to treat punctuation also within separate tags then regex can be used to generate the content for each new ruby tag. I used the regex from @user3850.
Create a new p tag, during a loop, and append your ruby tags, you can then decompose() the original p tag.
QUESTION
Using Meson build and GCC on a personal C11 project with GLib on Linux Fedora, I keep randomly getting the following error when compiling :
...ANSWER
Answered 2021-Jun-09 at 19:01Meson build here ; basically I have two "executable" target with a shared source, and it seems the first overlap the second for some reason although it should be sequentially.
Example :
QUESTION
I applied case_when to a text data of thousands of rows to detect strings with multiple conditions and replace them but got a wrong result because case_when doesn't execute the remaining conditions once a condition is met. I have seen a solution in How to detect more than one regex in a case_when statement, but the solution does not have multiplicity of multiple conditions such as in my data.
Any alternative to case_when will be is appreciated.
This is the dummy data:
...ANSWER
Answered 2021-Jan-22 at 06:51You may use case_when with grepl and a regex alternation:
QUESTION
First question here, I will do my best.
I have a Data class that retrieve a data object with firestore at the creation. I have done some code to the setters with coroutines. I am not sure of my solution but it is working. However, for the getters, I am struggling to wait the initialisation.
In the initialisation, I have a callback to retrieve the data. The issue that the callback is always called from the main thread, event if I use it in a coroutine in another thread. I check this with:
...ANSWER
Answered 2021-Jun-08 at 09:01I have loocked for many solutions and the conclusion is, don't do it.
This design is worse than I thougt. Android does not want you to block the main thread even for a short time. Blocking the main thread is blocking all UI and synchronisation mecanism, it is really bad solution.
Even using another thread for the callback (that you can do with an Executor) is, I think, a bad idea here. The good way to wait the end of the task in the callback is to retrieve the task and use:
QUESTION
I finished a project in R markdown and all I have to do is knit it as a word document, but there's this message error that I can't understand where I have made the mistake.
Error in yaml::yaml.load(..., eval.expr = TRUE) : Scanner error: mapping values are not allowed in this context at line 4, column 22 Calls: ... parse_yaml_front_matter -> yaml_load -> Execution halted
I looked at line 4 and it's just the date of the project and line 22 is an empty line so they're not the issue. Can anyone translate what the error means? Is it one of the chunk codes or any other error? Please and thank you These are the first 22 lines of the code(the language used is my country's language, just information):
...ANSWER
Answered 2021-Jun-07 at 01:38Indentation and newlines are important in YAML, change your header to
QUESTION
im new on django, and i want to get a single value from a queryset, te query would be something like this:
...ANSWER
Answered 2021-Jun-07 at 00:19You're probably looking for values_list, in particular with flat=True. https://docs.djangoproject.com/en/3.2/ref/models/querysets/#django.db.models.query.QuerySet.values_list
QUESTION
Edit 1: I think a possible solution would be to count the number of 15-minute intervals elapsed since a starting date. If anyone has thoughts on this, please come forward. Thanks
As the title says, I am looking for a way to turn timestamps into as small as possible integers.
Explanation of the situation:
I am working with "panelAR". I have T>N panel-data containing different timestamps that look like this (300,000 rows in total):
...ANSWER
Answered 2021-May-31 at 16:47this big number that you get corresponds to the number of seconds elapsed since 1970-01-01 00:00:00. Do your time stamps have regular intervals? If it is, let's say, every 15 minutes you could divide all integers by 900, and it might help.
Another option is to pick your earliest date and subtract it from the others
QUESTION
That's it. Lemme explaim myself. I coded a chrome extension that when clicking on a button, it will open a new resized tab (a paypal login) , but I can't manage to click the "log in button" of paypal because trying to
...ANSWER
Answered 2021-Jun-06 at 03:48The solution for a ManifestV2 extension, which you are writing, in short, is to open a new paypal sign-in window using chrome.windows.create and then use chrome.tabs.executeScript to inject a content script code that clicks btnLogin . Your current code does it all wrong though.
Remove
content_scripts,tabs, andchrome://*/*from manifest.json.Remove
content.jsfrom your extension and popup.htmlRemove
paypal_prelog.jsCreate
popup.js
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