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What does @synchronized() do as a singleton method in objective C?
I just created a singleton method, and I would like to know what the function @synchronized() does, as I use it frequently, but do not know the meaning.
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How to position a DIV in a specific coordinates?
... and top edge respectively. It must have position: absolute;
var d = document.getElementById('yourDivId');
d.style.position = "absolute";
d.style.left = x_pos+'px';
d.style.top = y_pos+'px';
Or do it as a function so you can attach it to an event like onmousedown
function placeDiv(x_pos, y_pos)...
What's the difference between Cache-Control: max-age=0 and no-cache?
...0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache .
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Callback when CSS3 transition finishes
I'd like to fade out an element (transitioning its opacity to 0) and then when finished remove the element from the DOM.
5 ...
Does my application “contain encryption”?
I'm uploading a binary for the first time. iTunes Connect has asked me:
15 Answers
15
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Value Change Listener to JTextField
I want the message box to appear immediately after the user changes the value in the textfield. Currently, I need to hit the enter key to get the message box to pop out. Is there anything wrong with my code?
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Add a new element to an array without specifying the index in Bash
Is there a way to do something like PHPs $array[] = 'foo'; in bash vs doing:
5 Answers
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Is main() really start of a C++ program?
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No, C++ does a lot of things to "set the environment" prior to the call of main; however, main is the official start of the "user specified" part of the C++ program.
Some of the environment setup is not controllable (like the initial code to set up std::cout; however, som...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
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What are best practices for using SmtpClient, SendAsync and Dispose under .NET 4.0
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Note: .NET 4.5 SmtpClient implements async awaitable method SendMailAsync. For lower versions, use SendAsync as described below.
You should always dispose of IDisposable instances at the earliest possibility. In the case of async calls, this is on the c...