catch-block Questions
8
Given the shortcode example below:
...
print("1 parsing stuff");
List<dynamic> subjectjson;
try {
subjectjson = json.decode(response.body);
} on Exception catch (_) {
print(&...
Sudarium asked 28/6, 2019 at 8:43
5
Solved
Once a promise reject() callback is called, a warning message "Uncaught (in promise)" appears in the Chrome console. Yet I have a catch handler in place. I can't wrap my head around the r...
Dardanus asked 25/2, 2017 at 18:35
3
Solved
Using Swift 4.2 and XCode 10
In Swift 4.2, DecodingError is an enumeration. There are (currently) four different cases. I can catch each case separately, and bind variables that I can use to log t...
Cay asked 2/1, 2019 at 17:17
5
I have the below code with which i am able to print the fullclassname,classname,methodname, at which error occured.
Also, I am able to print Line-Number but the Line-Number printed is the line at ...
Colombi asked 9/1, 2013 at 12:55
4
Solved
I know that there are some exception types that cannot be caught in catch blocks, like StackOverflowException in .NET 2.0. I would like to know which other exceptions are inadvisable to catch, or a...
Trochanter asked 22/9, 2013 at 22:15
2
Is the ANR an exception, an error or what? Can we actually catch it in a try{} catch(){} structure?
Heyman asked 30/6, 2011 at 19:28
5
Solved
For the code below, result is "EA Exception Finished", which means although we threw at derived class it caught by base class. Is it always? And if so, how can I make the derived class catches, thu...
Giltzow asked 16/9, 2016 at 9:25
2
Solved
In the try catch statement we can do:
try{}
catch(...){}
As far as I know, ... means any exception.
My question is: Why the C++ standard chose this way (...) instead of just ()? while, for exam...
Freedman asked 20/4, 2016 at 8:8
2
Solved
Consider the following C++ code:
class MyException {};
void someFunction()
{
try
{
/// ... code that may throw
}
catch(std::exception& e )
{
throw MyException();
}
}
Question
...
Apple asked 13/11, 2015 at 8:40
3
Solved
static void Main(string[] args)
{
try
{
Console.WriteLine("No Error");
}
catch (DataException) /*why no compilation error in this line?*/
{
Console.WriteLine("Error....");
}
Console.ReadKe...
Dibrin asked 15/9, 2015 at 1:58
6
How do I detect when the currently-executing code is being called from within a catch block?
void SomeFunction()
{
// how do I detect whether I am being called from within a catch block?
}
EDIT...
Piffle asked 26/8, 2014 at 14:11
1
I have a function that does some operation using an array.
I would like to reject it when the array is empty.
As an example
myArrayFunction(){
return new Promise(function (resolve, reject) {
...
Motorbike asked 23/5, 2014 at 21:54
7
Solved
In java if we have to execute only one statement after if or for the brackets are not necessary. We can write:
if(condition)
executeSingleStatement();
or
for(init;condition;incr)
executeSingl...
Bellwort asked 22/6, 2011 at 5:17
1
Solved
I have a question about the exception handling in PHP.
I have a lot of exception those means the same: Couldn't found something. All those exception implements the interface (not class) NotFoundEx...
Karwan asked 14/12, 2012 at 17:21
10
Solved
I have this code :
try
{
result.FirstName = nodes[myIdx]
.Attributes["ows_FirstName"].Value;
}
catch { }
Now I don't know prior to invoking this call if the attribute I am looking fo...
Cass asked 15/3, 2012 at 2:18
6
Solved
What's the difference between the following catch blocks?
try
{
...
}
catch
{
...
}
and
try
{
...
}
catch(Exception)
{
...
}
I realize, in either case, the exception instance is not avail...
Perambulator asked 17/3, 2011 at 21:24
5
Possible Duplicates:
Why are empty catch blocks a bad idea?
Is there any valid reason to ever ignore a caught exception
Do you know any situations when an empty catch block is not th...
Graeco asked 14/1, 2011 at 14:27
2
Solved
I noticed that a toast isn't displayed when it's used inside a catch block.
Does anyone know how to show toasts when catching exceptions? An Example:
try {
// try to open a file
} catch (FileNotF...
Alcoholic asked 31/10, 2010 at 19:27
6
Solved
I have seen some developers use the return statement in a catch block. Why/when would this be a useful technique to employ?
EDIT: I actually just saw the return keyword being used.
Kitsch asked 3/3, 2010 at 17:39
8
Solved
First of all, a disclaimer:
I have experience in other languages, but am still learning the subtleties of C#
On to the problem... I am looking at some code, which uses the try/catch blocks in a wa...
Urbane asked 5/3, 2009 at 18:25
7
There are certain predefined exceptions in Java, which, if thrown, report that something serious has happened and you'd better improve your code, than catching them in a catch block (if I have unde...
Dunlop asked 10/2, 2009 at 23:17
5
I have a question about the order of the execution of statements in a catch block in Java.
when I run the following class Test1 (see below), I expect to have as output first Hi!, then the result of...
Merritt asked 4/2, 2009 at 18:22
1
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