C# correct exception handling

C# correct exception handling

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C# correct exception handling
Tag : chash , By : Dov
Date : November 27 2020, 01:01 AM

seems to work fine Seemingly your log is not initialized, I am not sure what library you are using, however you are not instantiating log correctly and its most likely null.
It is possible this should be DI'ed in, or statically new'ed up for each class depending on the framework

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Oracle Exception Handling - Is this correct?

Tag : oracle , By : mux
Date : March 29 2020, 07:55 AM
should help you out PL/SQL has no way to return to the site of the error, so you need to create a block around the portion you want to ignore specific errors:
                -- SELECT COUNT
             IF CONDITION3 THEN
                    INSERT INTO TABLE
                    VALUES  (
            End IF;
    END IF;
   CURSOR cur_sample is select dummy from dual where 1=0;
   v_dummy dual.dummy%type;
         open cur_sample;
         fetch cur_sample into v_dummy;
         close cur_sample;
                -- SELECT COUNT
             IF CONDITION3 THEN
                    INSERT INTO TABLE
                    VALUES  (
            End IF;
       END IF;
    END IF;

What’s the correct approach to exception handling in iOS?

Tag : objective-c , By : Tim Benninghoff
Date : March 29 2020, 07:55 AM
To fix this issue As Apple's documentation says, most exceptions are thrown in exceptional circumstances. (Some exceptions aren't, like accessing an object out of NSArray bounds.)
.NET encourages local exception handling. Cocoa is written to encourage large-scope exception handling. The reason you have local exception handling in .NET is that you expect some part to fail in an expected way (like a network error when downloading something). In Cocoa, this is handled by using methods that return NSErrors instead. It's the same thing, only more visible in the method signature.

correct way C# exception handling for Mongo DB connections

Tag : chash , By : Verbal
Date : March 29 2020, 07:55 AM
seems to work fine You should never put any substantial part of your program logic inside a catch clause. What happens if the exception is thrown a second time? In other words, everything in the catch clause should be simple enough that it is guaranteed not to fail.
What you could do is put your entire block into a loop and set a retry counter to exit if it fails a pre-determined (or configurable) number of times:
List<XYZ> list = null;
const int maxRetries = 3; // could also be a configuration parameter

int retries = maxRetries;
while ((retries > 0) && (list == null)) {
    var Query = from o in collection.AsQueryable<XYZ>()
                         where ...
                         select o;

    list = Query.ToList();
  catch {

    if (retries < 1) {

Spring MVC: correct exception handling

Tag : java , By : Dasharath Yadav
Date : March 29 2020, 07:55 AM
Does that help I am wondering how to bind exception handling method to url mapping method: , Try to do somedthing like this:
 public ModelAndView handleAllException(Exception ex) {
  ModelAndView model = new ModelAndView("error_screen");
  model.addAttribute("error", "Exception happened");
  return model;

Is this correct use of Exception handling in PHP / Symfony2

Tag : php , By : CodeOfficer
Date : March 29 2020, 07:55 AM
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