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jQuery/JavaScript to replace broken images
...
Handle the onError event for the image to reassign its source using JavaScript:
function imgError(image) {
image.onerror = "";
image.src = "/images/noimage.gif";
return true;
}
<img src="image.png" onerror=...
Why does InetAddress.isReachable return false, when I can ping the IP address?
...ll to the bottom to see my alternative for simply testing if you're online and capable of resolving external hosts (i.e. google.com) ... Which generally seems to work on *NIX machines.
The issue
There is alot of chatter about this :
Here are other, similar questions :
Detect internet Conne...
If a DOM Element is removed, are its listeners also removed from memory?
...element itself is picked up by the garbage collector as well as any event handlers/listeners associated with it.
var a = document.createElement('div');
var b = document.createElement('p');
// Add event listeners to b etc...
a.appendChild(b);
a.removeChild(b);
b = null;
// A reference to 'b' no lon...
Entity Framework - Start Over - Undo/Rollback All Migrations
...r, so is there a way to completely undo all migrations, erase the history, and delete the migration code, so I'm back to square one?
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How to update maven repository in Eclipse?
...rk. In this situation you have to check what maven binary eclipse is using and run in console /path/to/bin/mvn clean install -U to get updated metadata file.
– Joni
Aug 26 '11 at 9:16
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Copy all the lines to clipboard
... get the cursor to the first character of the file
"*y to start a yank command to the register * from the first line, until...
G to go the end of the file
share
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improve this answer
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vector::at vs. vector::operator[]
...t; surprising results!! 5 to 10 times slower/faster! . I just don't understand what the at() method is good for.
8 Answer...
Javascript foreach loop on associative array object
...ow to note that the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
console.log(this[key]);
}, arr_jq_TabContents);
The callback function passed...
.aspx vs .ashx MAIN difference
What are the differences between .aspx and .ashx pages?
I use ashx now when I need to handle a request that was called from code and returned with a response, but I would like a more technical answer please.
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Why is it bad style to `rescue Exception => e` in Ruby?
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TL;DR: Use StandardError instead for general exception catching. When the original exception is re-raised (e.g. when rescuing to log the exception only), rescuing Exception is probably okay.
Exception is the root of Ruby's exception hi...
