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Image resizing client-side with JavaScript before upload to the server
I am looking for a way to resize an image client-side with JavaScript (really resize, not just change width and height).
I know it's possible to do it in Flash but I would like to avoid it if possible.
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jQuery get textarea text
...u want to convert key strokes to text? Add a button that sends the text inside the textarea to the server when clicked. You can get the text using the value attribute as the poster before has pointed out, or using jQuery's API:
$('input#mybutton').click(function() {
var text = $('textarea#mytex...
Is #pragma once part of the C++11 standard?
...to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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How to get a specific output iterating a hash in Ruby?
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Calling sort on a hash converts it into nested arrays and then sorts them by key, so all you need is this:
puts h.sort.map {|k,v| ["#{k}----"] + v}
And if you don't actually need the "----" part, it can be just:
puts h.so...
Select all 'tr' except the first one
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ideal solution but not supported in IE
tr:not(:first-child) {css}
second solution would be to style all tr's and then override with css for first-child:
tr {css}
tr:first-child {override css above}
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Calculate difference between two datetimes in MySQL
...imilar kind of functionality. For example there is one table say REQUESTS (id, message, timestamp). timestamp while storing will be NOW() . while i run a query, select * from requests, instead of displaying that value it should display id, message and how much time back request was posted.
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Handling very large numbers in Python
...hich can work with arbitrarily large numbers. In Python 2.5+, this type is called long and is separate from the int type, but the interpreter will automatically use whichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though ...
Is it bad practice to return from within a try catch finally block?
... No, in fact, it's not just plugging out, there are some exceptions called async exceptions like StackOverflowException, ThreadAbortException and OutOfMemoryException which might cause the finally block not to be executed. Read about constrained execution regions for handling these scenarios....
How to add global ASP.Net Web Api Filters?
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My WebApi filter is called twice. Has anybody this problem?
– Andrew Kalashnikov
Aug 28 '13 at 10:24
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Provisioning Profiles menu item missing from Xcode 5
...appened. I restarted the computer, tried some things, but I really have no idea what I could do. How can I fix this problem?
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