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What's the point of malloc(0)?
...ate memory of correct size. The malloc function is unaware of what you're casting its result to. The malloc function relies purely on the size number that you give as its argument. You need to do malloc(sizeof(int)) to get enough storage to hold an int, for example, not 0.
...
Get to UIViewController from UIView?
...roller *) firstAvailableUIViewController {
// convenience function for casting and to "mask" the recursive function
return (UIViewController *)[self traverseResponderChainForUIViewController];
}
- (id) traverseResponderChainForUIViewController {
id nextResponder = [self nextResponder];
...
Databinding an enum property to a ComboBox in WPF
... get
{
return Enum.GetValues(typeof(MyEnumType))
.Cast<MyEnumType>();
}
}
In XAML the ItemSource binds to MyEnumTypeValues and SelectedItem binds to SelectedMyEnumType.
<ComboBox SelectedItem="{Binding SelectedMyEnumType}" ItemsSource="{Binding MyEnumTypeVal...
Grep and Sed Equivalent for XML Command Line Processing
...lt;/root>
Powershell script:
# load XML file into local variable and cast as XML type.
$doc = [xml](Get-Content ./test.xml)
$doc.root.one #echoes "I like applesauce"
$doc.root.one = "Who doesn't like applesauce?" #replace inner text of <one> node
# cr...
Python: changing value in a tuple
...
It seems unnecessary and memory inefficient to recast into a list and use a temporary variable. You can just unpack into a tuple with the same name and while unpacking update whatever needs updating.
– Brian Spiering
Oct 5 '18 at 3:23
...
Why does Oracle 9i treat an empty string as NULL?
...ations arise when '' is being implicitely converted to a VARCHAR2, such as cast('' as char(1)) is null which is... surprisingly TRUE
– sehe
Jul 19 '13 at 15:17
...
What is the difference between & vs @ and = in angularJS
...cope into the child directive. John Lindquist has a series of short screencasts explaining each of these. Screencast on @ is here: https://egghead.io/lessons/angularjs-isolate-scope-attribute-binding
& allows the directive's isolate scope to pass values into the parent scope for evaluation in...
AngularJS HTTP post to PHP and undefined
...
you should cast your result in case $_POST is empty : $_POST = (array) json_decode(file_get_contents('php://input'), true).
– M'sieur Toph'
Oct 12 '14 at 7:12
...
When restoring a backup, how do I disconnect all active connections?
...O
@spid
WHILE @@FETCH_STATUS = 0
BEGIN
SET @SQLCommand = 'KILL ' + CAST(@spid AS VARCHAR)
EXECUTE(@SQLCommand)
FETCH NEXT FROM UserCursor INTO
@spid
END
CLOSE UserCursor
DEALLOCATE UserCursor
GO
shar...
How do I read an entire file into a std::string in C++?
... @DevSolar Well, the more legible version is ~30% shorter, lacks a cast and is otherwise equivalent. My question therefore stands: "What's the point of making it a oneliner?"
– sehe
Sep 21 '12 at 15:00
...