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C++ catching all exceptions
...h(...) is meant to be used in conjunction with throw; basically:
try{
foo = new Foo;
bar = new Bar;
}
catch(...) // will catch all possible errors thrown.
{
delete foo;
delete bar;
throw; // throw the same error again to be handled somewhere else
}
This is the pr...
ORA-00979 not a group by expression
...le to understand why this happens: Imagine you have a database like this:
FOO BAR
0 A
0 B
and you run SELECT * FROM table GROUP BY foo. This means the database must return a single row as result with the first column 0 to fulfill the GROUP BY but there are now two values of bar to chose from....
How do I check if a directory exists? “is_dir”, “file_exists” or both?
...name is taken, you should check both. There might be a regular file named 'foo', which would prevent you from creating a directory name 'foo'.
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f...
Run a batch file with Windows task scheduler
...
This fixed a scheduled 'foo.cmd' task for me on Windows Server 2012. With 'Start in' set to 'C:\Foo\' the task failed with exit code error 0x8007001, but with 'Start in' set to 'C:\Foo' the task ran fine.
– Aaron
...
Serialize form data to JSON [duplicate]
... @dev.pus: You might need to handle it in the [{"name":"username","value":"foo"}] format. Otherwise, you cannot handle multiple elements with the same name.
– Matthew Schinckel
Apr 26 '13 at 8:19
...
How to concatenate two strings to build a complete path
...some path joining stuff like you do.
The thing is, both path like
/data/foo/bar
/data/foo/bar/
are valid.
If I want to append a file to this path like
/data/foo/bar/myfile
there was no native method (like os.path.join() in python) in shell to handle such situation.
But I did found a tr...
What does the function then() mean in JavaScript?
... resolve, reject)
})
}
Promise.all([
fetchPromised("http://backend/foo.txt", 500),
fetchPromised("http://backend/bar.txt", 500),
fetchPromised("http://backend/baz.txt", 500)
]).then((data) => {
let [ foo, bar, baz ] = data
console.log(`success: foo=${foo} bar=${bar} baz=${...
Stack Memory vs Heap Memory [duplicate]
...l the heap? What platform are you on, MS-DOS?
– Fred Foo
Apr 29 '11 at 19:33
3
@larsman But did y...
In Vim is there a way to delete without putting text in the register?
...d,
unless the command specified another register with ["x].
E.g. we yank "foo" and delete "bar" - the registry 0 still contains "foo"! Hence "foo" can be pasted using "0p
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How do you remove all the options of a select box and then add one option and select it with jQuery?
...like:
$('select').children().remove();
$('select').append('<option id="foo">foo</option>');
$('#foo').focus();
Response to "EDIT": Can you clarify what you mean by "This select box is populated by a set of radio buttons"? A <select> element cannot (legally) contain <input typ...