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Is not an enclosing class Java
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Making ZShape static totally defeats the purpose of what he's trying to do, which is instantiate a copy of ZShape.
– Cardano
Feb 15 '14 at 1:58
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Unable to make the session state request to the session state server
Our site is currently having this problem. Basically it only happen when we click some particular links where it will pop-up a new window.
This is the error message we receive :
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Get div height with plain JavaScript
...hat I found at w3schools, assuming the div has a height and/or width set.
All you need is height and width to exclude padding.
var height = document.getElementById('myDiv').style.height;
var width = document.getElementById('myDiv').style.width;
You downvoters: This answer has helped at l...
jQuery .scrollTop(); + animation
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To do this, you can set a callback function for the animate command which will execute after the scroll animation has finished.
For example:
var body = $("html, body");
body.stop().animate({scrollTop:0}, 500, 'swing', function() {
alert("Finished...
Swift: Testing optionals for nil
...let
guard let can do similar things. It's main purpose is to make it logically more reasonable. It's like saying Make sure the variable is not nil, otherwise stop the function. guard let can also do extra condition checking as if let.
The differences are that the unwrapped value will be available ...
Undoing a git bisect mistake
I'm doing a non-automated git bisect via command line. All is going well until I accidentally hit return on the wrong line in my command history, and rather than running the test, I run 'git bisect good' (or bad). Oops - I don't yet know if this commit should be marked good or bad, yet that's what I...
scale Image in an UIButton to AspectFit?
...on, and also want to scale my image to fit with the UIButton (make image smaller). Please show me how to do it.
16 Answers
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How to @link to a Enum Value using Javadoc
...using the fully qualified reference. Sometimes the compiler output isn't really helpful in determining what the problem is...
– Christer Fahlgren
Oct 5 '09 at 17:28
3
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Best practice to validate null and empty collection in Java
...evaluate the right operand. So if m == null, then m.isEmpty() will not be called (not needed, the result is true).
– icza
Jul 29 '16 at 9:05
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Initialize a long in Java
...need to append "L" to the end.
It can be either uppercase or lowercase.
All the numeric values are by default int. Even when you do any operation of byte with any integer, byte is first promoted to int and then any operations are performed.
Try this
byte a = 1; // declare a byte
a = a*2; // y...