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Swift native base class or NSObject
... in Swift gets you Objective-C runtime flexibility but also Objective-C performance. Avoiding NSObject can improve performance if you don't need Objective-C's flexibility.
Edit:
With Xcode 6 beta 6, the dynamic attribute appears. This allows us to instruct Swift that a method should use dynamic di...
“’” showing on page instead of “ ' ”
...display the characters in. The exact answer depends on the server side platform / database / programming language used. Do note that the one set in HTTP response header has precedence over the HTML meta tag. The HTML meta tag would only be used when the page is opened from local disk file system ins...
How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Absolute positioning ignoring padding of parent
...ne boxes generated for that element.... Otherwise, the containing block is formed by the padding edge of the ancestor.
The simplest approach—as suggested in Winter's answer—is to use padding: inherit on the absolutely positioned div. It only works, though, if you don't want the absolutely posit...
What is the best data type to use for money in C#?
...errors because floating point cannot represent all numbers exactly (e.g. 0.01 has no exact representation in floating point). Decimal, on the other hand, does represent numbers exactly. (The trade-off is Decimal has a smaller range than floating point) Floating point can give you * inadvertent* roun...
Is there a better alternative than this to 'switch on type'?
...statement. For example, here is TypeSwitch in action on a standard Windows form event
TypeSwitch.Do(
sender,
TypeSwitch.Case<Button>(() => textBox1.Text = "Hit a Button"),
TypeSwitch.Case<CheckBox>(x => textBox1.Text = "Checkbox is " + x.Checked),
TypeSwitch.Defaul...
Is it possible to perform a 'grep search' in all the branches of a Git project?
...s through all the commits, which should include all the branches.
Another form would be:
git rev-list --all | (
while read revision; do
git grep -F 'yourWord' $revision
done
)
You can find even more example in this article:
I tried the above on one project large enough that g...
Bundle ID Suffix? What is it?
...
Doesn't matter the order and format as long as it matches your Provisioning Profile.
– Nikolay Frick
Jan 16 '12 at 20:56
1
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If string is empty then return some default value
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Yes, it is bad idea to set defaults in models :) My forms will weep
– fl00r
Jan 27 '11 at 14:32
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unresolved reference to object [INFORMATION_SCHEMA].[TABLES]
I've created a UDF that accesses the [INFORMATION_SCHEMA].[TABLES] view:
3 Answers
3...