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HTML5 Number Input - Always show 2 decimal places
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This does not work in Chrome 55.0.2883.75. If I create a form element, place the markup above inside, type '1200' into the input and hit tab away from the element, the text displayed is still '1200' and not '1200.00'.
– Rick Glos
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How do I determine if a port is open on a Windows server? [closed]
...rt may be closed by a firewall. Is there a way to ping out or in, on a specific port, to see if it is open?
13 Answers
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Objective-C: Where to remove observer for NSNotification?
...ave an objective C class. In it, I created a init method and set up a NSNotification in it
14 Answers
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What is reflection and why is it useful?
...nown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called '...
How to get MVC action to return 404
... have an action that takes in a string that is used to retrieve some data. If this string results in no data being returned (maybe because it has been deleted), I want to return a 404 and display an error page.
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Xml serialization - Hide null values
...le of the output of my class. I don't want to output the nullable integers if they are set to null.
7 Answers
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Math.random() explanation
...sive, ie [2,5], and min must be less than max in the above example.
EDIT: If someone was going to try and be stupid and reverse min and max, you could change the code to:
int randomWithRange(int min, int max)
{
int range = Math.abs(max - min) + 1;
return (int)(Math.random() * range) + (...
Set the maximum character length of a UITextField
...String *)string {
// Prevent crashing undo bug – see note below.
if(range.length + range.location > textField.text.length)
{
return NO;
}
NSUInteger newLength = [textField.text length] + [string length] - range.length;
return newLength <= 25;
}
Swift...
How do I determine the size of an object in Python?
...t
have to hold true for third-party
extensions as it is implementation
specific.
Only the memory consumption directly attributed to the object is
accounted for, not the memory consumption of objects it refers to.
The default argument allows to define
a value which will be returned if the
object type...
What does collation mean?
...ir accents and other features, collation changes. For example, though the different accented forms of a may exist at disparate code points, they may all need to be sorted as if they were the same letter.
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