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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>');
$('#foo').focus();
Response to "EDIT": Can you clarify what you mean by "This select box is populated by a set of radio buttons"? A <select> element cannot (legally) contain <input typ...
Display help message with python argparse when script is called without any arguments
...print_help()
sys.exit(2)
parser = MyParser()
parser.add_argument('foo', nargs='+')
args = parser.parse_args()
Note that the above solution will print the help message whenever the error
method is triggered. For example, test.py --blah will print the help message
too if --blah isn't a va...
URLs: Dash vs. Underscore [closed]
...ow 6 years old and possibly not representing the contemporary status quo), foo_bar is treated as a single word while foo-bar is treated as two words - precisely the opposite of what this answer speculates is the case.
– Mark Amery
Dec 19 '17 at 21:49
...
Checking if sys.argv[x] is defined
...hree arguments) and it can potentially hide errors (eg, if you used blah = foo(sys.argv[1]), but foo(...) raised an IndexError, that IndexError would be ignored).
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What does the function then() mean in JavaScript?
... resolve, reject)
})
}
Promise.all([
fetchPromised("http://backend/foo.txt", 500),
fetchPromised("http://backend/bar.txt", 500),
fetchPromised("http://backend/baz.txt", 500)
]).then((data) => {
let [ foo, bar, baz ] = data
console.log(`success: foo=${foo} bar=${bar} baz=${...
Template function inside template class
...
template <class T>
template <class U>
void MyClass<T>::foo() { /* ... */ }
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Regular expression to match a word or its prefix
...Start phpsh, put some content into a variable, match on word.
el@apollo:~/foo$ phpsh
php> $content1 = 'badger'
php> $content2 = '1234'
php> $content3 = '$%^&'
php> echo preg_match('(\w+)', $content1);
1
php> echo preg_match('(\w+)', $content2);
1
php> echo preg_match('(\w+...
Sorting list based on values from another list?
...ere looking to sort a list by a list where the values matched.
list_a = ['foo', 'bar', 'baz']
list_b = ['baz', 'bar', 'foo']
sorted(list_b, key=lambda x: list_a.index(x))
# ['foo', 'bar', 'baz']
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