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When should I write the keyword 'inline' for a function/method?
...ugh. As a rule, guessing what would would be improved by inlining is very error prone. The exception to that rule being one liners.
– deft_code
Aug 15 '11 at 18:50
5
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How do I print the elements of a C++ vector in GDB?
...lem = $arg0.size()
if $arg1 >= $arg0.size()
printf "Error, %s.size() = %d, printing last element:\n", "$arg0", $arg0.size()
set $elem = $arg1 -1
end
print *($arg0._M_impl._M_start + $elem)@1
else
print *($arg0._M_impl._M_start)@$arg0.siz...
Why was “Avoid Enums Where You Only Need Ints” removed from Android's performance tips?
...num. But that's not an Android-specific tip, and it's a really rare design error anyway.
– Elliott Hughes
Jan 22 '12 at 22:57
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How to pass object with NSNotificationCenter
... case key1
}
}
Why should I definitely do this ? To avoid costly typo errors, enjoy renaming, enjoy find usage etc...
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Why must a lambda expression be cast when supplied as a plain Delegate parameter
...gnature, but that's rarely useful and you end up with less opportunity for error checking.
If you want to make it easy to call Control.Invoke with an Action the easiest thing to do is add an extension method to Control:
public static void Invoke(this Control control, Action action)
{
control.I...
Running unittest with typical test directory structure
...
This fails for me on Python 3 with the error ImportError: No module named 'test.test_antigravity' because of a conflict with the test sub-module of the unittest library. Maybe an expert can confirm and change the answer sub-directory name to e.g., 'tests' (plural)...
IntelliJ and Tomcat…changed files are not automatically recognized by Tomcat
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I have error: Error: Artifact 'my-webapp-name:war exploded' has invalid extension how to fix ?
– Anton Dozortsev
Mar 1 '14 at 18:35
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How can I set up an editor to work with Git on Windows?
... Git on Windows . I got to the point of trying "git commit" and I got this error:
33 Answers
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How do I check if a type is a subtype OR the type of an object?
...rin Forms PCL project, the above solutions using IsAssignableFrom gives an error:
Error: 'Type' does not contain a definition for 'IsAssignableFrom' and
no extension method 'IsAssignableFrom' accepting a first argument of
type 'Type' could be found (are you missing a using directive or an
...
A migration to add unique constraint to a combination of columns
... unique: true
Trying to create two similar records will throw a database error (Postgres in my case):
ActiveRecord::RecordNotUnique: PG::UniqueViolation: ERROR: duplicate key value violates unique constraint "index_ownerships_on_user_id_and_post_id"
DETAIL: Key (user_id, post_id)=(1, 1) already...