try-catch Questions

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BEGIN TRY EXEC N'EXEC sp_testlinkedserver N''[MyLinkedServer]'';'; END TRY BEGIN CATCH SELECT 'LinkedServerDown' AS Result RETURN END CATCH SELECT TOP(1) FirstName FROM [MyLinkedServer].TestData...
Ginsburg asked 14/10, 2015 at 16:20

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I am trying to build a wrapper over Notion JS SDK's iteratePaginatedAPI that handles errors as well. I feel particularly lost on how do I catch API errors in such a way that I can actually retry th...
Czernowitz asked 14/2, 2023 at 21:37

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The following is a question about the performance of the ABAP TRY/CATCH construct. In particular, it is not about throwing or catching exceptions. Is there a performance cost when entering TRY/CATC...
Regazzi asked 13/2, 2023 at 12:17

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Is the following way to code good practice? try { //my code here } catch (Exception e) { logger.error("Some error ", e); throw new MyCustomException("Some error ", e); } Moreover, should I.. ...
Carper asked 27/2, 2014 at 15:3

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I have a code with a one-liner while and a try-except statement which behaves weirdly. This prints 'a' on Ctrl+C: try: while True: pass except KeyboardInterrupt: print("a") and this t...
Laidlaw asked 10/5, 2024 at 17:8

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It might be obvious, but I still fail to understand the difference between throw and rethrow and when do either of those should be used?
Megdal asked 15/8, 2020 at 3:5

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I was just playing around with some C++ code at Compiler Explorer and noticed some unexpected behavior when compiling a simple try/catch block. Both of the following snippets were compiled with gcc...

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What I'm trying to do Write a tryCatch that will handle an error value but will ignore a warning. As an example foo <- function(x) { if (x == 1) { warning('Warning') } else if (x == 0) { s...
Abe asked 3/3, 2016 at 23:27

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I have get network image and used ternary operator where I can show network image but unable to show default asset image where network image is invalid default image in grid also as this- I am new ...

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Sometimes my code breaks and it is out of my control How would I do the following? try { //do my stuff } catch { //sleep and try again } The code isn't that much, so it's all one function, so ...
Franci asked 28/7, 2014 at 18:47

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My idea is as follows: I want to send multiple requests simultaneously without having to wait until priors execution. So my pseudo code looks as follows: function sleep(ms) { return new Promis...
Exile asked 12/5, 2021 at 11:13

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How can throw an error with options or a status code and then catch them? From the syntax here, it seems we can through the error with additional info: new Error(message, options) So, can we throw...
Pagel asked 13/9, 2021 at 16:6

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Currently I am working on code optimization where I am using try.. finally block to deference my objects. But I have confusion that how returning an object is managed when I am creating null refer...
Susannesusceptibility asked 2/1, 2015 at 6:57

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I have a try..catch block that looks like this: try { ... } catch (IOException ioEx) { ... } catch (Exception ex) { ... } I'd like to handle just a certain kind of IOException, namely a shar...
Tacye asked 27/5, 2011 at 9:17

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I want to do a Try Catch on an .exe in Powershell, what I have looks like this: Try { $output = C:\psftp.exe ftp.blah.com 2>&1 } Catch { echo "ERROR: " echo $output return } echo "DONE...
Countersignature asked 10/9, 2012 at 21:3

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I want to write unit test for try catch block(C#). Public ActionResult Index() { try { ------------- } catch(Exception ex) { throw; } } As you can see that i am using try-catch block in...
Amphibolite asked 14/4, 2014 at 7:1

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Is there some way in Python to capture KeyboardInterrupt event without putting all the code inside a try-except statement? I want to cleanly exit without trace if user presses Ctrl+C.
Francisfrancisca asked 17/11, 2010 at 14:24

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I have a problem with my code in the try block. To make it easy this is my code: try: code a code b #if b fails, it should ignore, and go to c. code c #if c fails, go to d code d except: pass...
Rhodian asked 26/6, 2013 at 14:0

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The biggest misunderstanding for me in Swift is the throws keyword. Consider the following piece of code: func myUsefulFunction() throws We cannot really understand what kind of error it will th...
Whortleberry asked 21/11, 2016 at 11:0

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In python how do you check if a function exists without actually running the function (i.e. using try)? I would be testing if it exists in a module.
Laddy asked 4/1, 2014 at 21:21

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Is there any way to check if a asset file exists in Flutter before trying to load the data? For now I have the following: String data; try { data = await rootBundle .loadString('path/to/file.json...
Barrelchested asked 4/6, 2018 at 17:2

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I can't understand exactly how return works in try, catch. If I have try and finally without catch, I can put return inside the try block. If I have try, catch, finally, I can't put return in the...
Scourge asked 26/6, 2018 at 7:12

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I need to catch some warnings being thrown from some php native functions and then handle them. Specifically: array dns_get_record ( string $hostname [, int $type= DNS_ANY [, array &$authns [...
Anthe asked 6/8, 2009 at 21:51

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From my experience, a php server would throw an exception to the log or to the server end, but node.js just simply crashes. Surrounding my code with a try-catch doesn't work either since everything...
Madgemadhouse asked 14/5, 2011 at 2:4

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I'm using the following script to use a database using PHP: try{ $db = new PDO('mysql:host='.$host.';port='.$port.';dbname='.$db, $user, $pass, $options); } catch(Exception $e){ $GLOBALS['errors...
Wien asked 17/10, 2012 at 6:35

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