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How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Is Safari on iOS 6 caching $.ajax results?
...S 6, we are seeing Safari's web view take the liberty of caching $.ajax calls. This is in the context of a PhoneGap application so it is using the Safari WebView. Our $.ajax calls are POST methods and we have cache set to false {cache:false} , but still this is happening. We tried manually ad...
How to show multiline text in a table cell
...e CSS white-space:pre applied to the appropriate <td>. To do this to all table cells, for example:
td { white-space:pre }
Alternatively, if you can change your markup, you can use a <pre> tag around your content. By default web browsers use their user-agent stylesheet to apply the sam...
How to automatically reload a page after a given period of inactivity
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Hero! This is perfect thanks. I have my PHP sessions set to expire after an hour, and this is set to refresh a little over an hour. I think this should accomplish the logout after inactivity functionality i'm after.
– Tspesh
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Shortest way to print current year in a website
...n the footer. I want to replace it with some JavaScript that will automatically update each year.
10 Answers
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How to get image height and width using java?
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From all I'm reading, this reads the entire image into memory. Which is extreme just to get width and height.
– Marc
May 17 '15 at 20:07
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Asynchronously load images with jQuery
...d a REST image service. If you have your own webservice, you can add a JSP/PHP REST script that offers images in Base64 encoding. Now how is that useful? I came across a cool new syntax for image encoding:
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhE..."/>
So you can load the Image...
What's the difference between a web site and a web application? [closed]
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This is totally personal and subjective, but I'd say that a website is defined by its content, while a web application is defined by its interaction with the user. That is, a website can plausibly consist of a static content repository ...
Change text from “Submit” on input tag
...Bnt" type="submit" value="like"/>
name is useful when using $_POST in php and also in javascript as document.getElementByName('submitBnt').
Also you can use name as a CS selector like input[name="submitBnt"];
Hope this helps
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When is CRC more appropriate to use than MD5/SHA1?
...from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for random error detection. However, using CRC for any kind of security check would be much less secure than a more complex hashing ...