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Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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Nullable type as a generic parameter possible?
...val = reader[columnName];
return (val == DBNull.Value ? null : val);
}
Now you don't need the explicit type hinting on the RHS:
int? value = myDataReader.GetNullableValue("MyColumnName");
In fact, you don't need it anywhere!
var value = myDataReader.GetNullableValue("MyColumnName");
value will...
How does the socket API accept() function work?
...dard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical.
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How to get a random value from dictionary in python
...DIT: The question was changed a couple years after the original post, and now asks for a pair, rather than a single item. The final line should now be:
country, capital = random.choice(list(d.items()))
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Animate change of view controllers without using navigation controller stack, subviews or modal cont
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I know the appear calls are being done because I logged them. I also don't see why this would affect orientation changes. Can you elaborate why you think it would?
– TigerCoding
Nov 26 '1...
ignoring any 'bin' directory on a git project
...won't stop tracking paths that are already being tracked just because they now match a new .gitignore pattern. Execute a folder remove (rm) from index only (--cached) recursivelly (-r). Command line example for root bin folder:
git rm -r --cached bin
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How efficient can Meteor be while sharing a huge collection among many clients?
...t. We haven't exposed
the API for setting subscription priority yet. For now, priority is
determined by the order the client subscribes to data sets. The first
subscription a client makes has the highest priority, the second
subscription is next highest, and so on.
Because the merge box holds th...
How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
...one of repositories. Downloads were hanging even with update police never. Now snapshots aren't downloaded which is exactly that I wanted.
– wolfroma
Aug 24 '17 at 19:16
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Foreign key constraint may cause cycles or multiple cascade paths?
...guaranteed that SomeOtherTable-records never belong to both Details, it is now impossible to make SomeOhterTable's records cascade delete for both details, because there are multiple cascading paths from Master to SomeOtherTable (one via Detail1 and one via Detail2).
Now you may already have underst...
How to avoid null checking in Java?
... to intermediate developers tend to face at some point: they either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requiring the caller ...