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How do we control web page caching, across all browsers?
...lidate
Expires: 0
Cache-Control: must-revalidate
Expires: Sat, 12 Oct 1991 05:00:00 GMT
Pragma: no-cache (https only)
Vary: * (https only)
Combining the above gives us this solution which works for Chrome 28, FireFox 23, IE8, Safari 5.1.7, and Opera 12.15: Cache-Control: no-store, must-revalidate ...
Round a double to 2 decimal places [duplicate]
... you should use 3 or more decimal places. That depends on how much is your error margin.
– hmartinezd
Sep 17 '15 at 17:13
3
...
How do I change the color of the text in a UIPickerView under iOS 7?
...spaced 35 pts apart for a picker height of 180.
Swift 3:
func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
let string = "myString"
return NSAttributedString(string: string, attributes: [NSForegroundColorAtt...
How do I download a file over HTTP using Python?
....decode('utf-8')
This is the most basic way to use the library, minus any error handling. You can also do more complex stuff such as changing headers.
On Python 2, the method is in urllib2:
import urllib2
response = urllib2.urlopen('http://www.example.com/')
html = response.read()
...
Decimal separator comma (',') with numberDecimal inputType in EditText
...lace(',', '.'));
} catch (NumberFormatException e) {
//Error
}
}
//Do something with doubleValue
}
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Function in JavaScript that can be called only once
...
Accordingly to asawyer's response, you only needed to do _.once(foo) or _.once(bar), and the functions themselves don't need to be aware of being ran only once (no need for the noop and no need for the * = noop).
– fableal
Oct 3 '12 at 17:31
...
puts vs logger in rails rake tasks
... with cron. And those programs normally interact with the standard output, error. So logging that should be a problem of the Admin who maintain the cronjob, not of the program itself. So I'm finding this answer enlightening, and makes a lot of sense for me now.
– jgomo3
...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
...eters then it shouldn't be a problem isn't it? At least I usually use the $_POST array in PHP only when processing forms.
– Calmarius
Mar 20 '15 at 18:45
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How to delete all Annotations on a MKMapView
...me with copy and paste and removing [locs release] and changing mapView to _mapView. I was following a great tutorial for MKDirections here devfright.com/mkdirections-tutorial and wanted to remove the pin after getting directions. I added the code below the last line of that method to the 'clear rou...
Range references instead values
...{
field string
}
func main() {
var array [10]MyType
for idx, _ := range array {
array[idx].field = "foo"
}
for _, e := range array {
fmt.Println(e.field)
fmt.Println("--")
}
}
...