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Why can't yield return appear inside a try block with a catch?
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All the yield statements in an iterator definition are converted to a state in a state machine which effectively uses a switch statement to advance states. If it did generate code for yield statements in a try/catch it would have to duplicate everything in the try block for each ...
How to force ViewPager to re-instantiate its items [duplicate]
...his does not work for me. Just to be sure that we are on same page. I have selected one of x pages that are available to scroll through in ViewPager. From menu I invoke action that somehow process data in underlying db and change it. On that page I am presenting that data. By process that I triggere...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...ng<_CharT, _Traits, _Alloc>::
^
I'm not sure why g++ tries to convert char to const char *. Either way, the constructor was called with just one value of type char. There is no overload which has one argument of type char, therefore the compiler is confused. You may ask - why the argume...
Detect the Enter key in a text input field
...re for for legacy browsers support)
// keyup is not compatible with Jquery select(), Keydown is.
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Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
...?
slot.get will then throw an error at runtime as it was unsuccessful in converting an Animal to Dog (duh!).
In general mutability doesn't go well with co-variance and contra-variance. That is the reason why all Java collections are invariant.
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Calling a function within a Class method?
...n and then grab results inside the class function? e.g I have a query that selects all from a table and then returns a fetch all result set. Is it possible to loop through that result set inside a classes function? e.g class query{ public function show(){ getResults(); while($stmt->fetchCollumn...
Optimise PostgreSQL for fast testing
... table, manipulating it however you need to, then doing an INSERT INTO ... SELECT ... to copy it to the final table. Note that temporary tables are per-session; if your session ends or you lose your connection then the temp table goes away, and no other connection can see the contents of a session's...
How to commit a change with both “message” and “description” from the command line? [duplicate]
...e2 Update framework
pick ffcf91e Some magic
pick fa672e1 Update comments
Select the commit you want to reword and save.
pick e152ce2 Update framework
reword ffcf91e Some magic
pick fa672e1 Update comments
Now, you have the opportunity to add header and body, where the first line will be the hea...
IntelliJ: Never use wildcard imports
...open "Imports" under "Code Style", and check the "Use single class import" selection. You can also completely remove entries under "Packages to use import with *", or specify a threshold value that only uses the "*" when the individual classes from a package exceeds that threshold.
Update: in IDEA...
How to find controls in a repeater header or footer
...emType.Pager:
break;
case ListItemType.SelectedItem:
break;
case ListItemType.Separator:
break;
default:
break;
}
}
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