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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
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I think this is very nice and short
<img src="imagenotfound.gif" alt="Image not found" onerror="this.src='imagefound.gif';" />
But, be careful. The user's browser will be stuck in an endless loop if the onerror image itself generates an error...
How to add a button to UINavigationBar?
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In the example, I don't understand where "bar" is coming from. What's the default top bar property for a UINavigationItem ?
– aneuryzm
Jun 26 '12 at 13:57
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How do I set a JLabel's background color?
...e background of a JLabel to a different color. I can see the word "Test" and it's blue, but the background doesn't change at all. How can I get it to show?
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Add .gitignore to gitignore
...ery repository on your machine you can create the file ~/.gitignore_global and then run
git config --global core.excludesfile ~/.gitignore_global
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
... just declare the int variable. When I run this code the output will be 10 and 10. Its simple.
Now let's look at the static variable here; I am declaring the variable as a static.
Example with static variable:
public class Variable
{
public static int i = 5;
public void test()
{
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How to detect scroll position of page using jQuery
...oll() function to recognize when the windows changes its scroll position and at the change calls a few functions to load data from the server.
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How to get MD5 sum of a string using python?
... The Python 3 version should be used in Python 2 as well. @JeffHu expanding on what @MaxU said, the md5 function takes a bytestring and does not accept unicode. Python 3 is (correctly) strict/explicit, and so a an str ("") is unicode and has to be encoded to a bytestring. Strings in python2 ...
:active pseudo-class doesn't work in mobile safari
...l JS library called 'Fastclick'. It speed up click events on touch devices and takes care of this issue too.
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Rails 3.1: Engine vs. Mountable App
Can someone help me understand the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?
What is the difference between Application Context and Web Application Context?
5 Answers
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