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How to implement a queue using two stacks?
...ions, so it's a perfectly linear O(n) algorithm.
– LP_
Jan 17 '14 at 11:56
1
@LP_ it takes quadra...
How can I check if a Perl array contains a particular value?
...
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($params{$someparam})) { ... }
You can also add more (unique) params to the list:
$params{$newparam} = 1;
And later get a list of (unique) params back:
@badparams = keys %params;
...
How to export data as CSV format from SQL Server using sqlcmd?
...low commas inside the data? Do we have to surround every column with '""'+ ___ +'""'?
– Ahmed
Apr 1 '15 at 0:41
2
...
What are the applications of binary trees?
...was done on 4 billion elements, you would only have to search a maximum of 32 times. Therefore, the more elements contained in the tree, the more efficient your search can be.
Deletions can become complex. If the node has 0 or 1 child, then it's simply a matter of moving some pointers to exclude th...
What is the difference between .text, .value, and .value2?
...
BathshebaBathsheba
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Android, How can I Convert String to Date?
...
answered Nov 30 '17 at 9:32
paolixxpaolixx
1133 bronze badges
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How to call an async method from a getter or setter?
...ll get populated without blocking the UI, when getTitle() returns.
string _Title;
public string Title
{
get
{
if (_Title == null)
{
Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); });
}
return _Title;
}
...
How to escape single quotes within single quoted strings
....
– Benjamin Atkin
Aug 13 '13 at 20:32
3
worked for me, example of double escaped single quotes: ...
An error occurred while validating. HRESULT = '8000000A'
...sue..
– Leon Barkan
Oct 17 '17 at 6:32
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What would a “frozen dict” be?
...ict(collections.Mapping):
"""Don't forget the docstrings!!"""
def __init__(self, *args, **kwargs):
self._d = dict(*args, **kwargs)
self._hash = None
def __iter__(self):
return iter(self._d)
def __len__(self):
return len(self._d)
def __getitem__...