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MySQL error: key specification without a key length
...n already been defined as unique constraints or index. The Alter Table SQL command will fail.
The solution to the problem is to remove the TEXT or BLOB column from the index or unique constraint or set another field as primary key. If you can't do that, and wanting to place a limit on the TEXT or B...
jQuery .on('change', function() {} not triggering for dynamically created inputs
... document.
Read this article for better understanding: http://elijahmanor.com/differences-between-jquery-bind-vs-live-vs-delegate-vs-on/
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How to make a HTML Page in A4 paper size page(s)?
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Ages ago, in November 2005, AlistApart.com published an article on how they published a book using nothing but HTML and CSS. See: http://alistapart.com/article/boom
Here's an excerpt of that article:
CSS2 has a notion of paged media (think sheets of paper), a...
How to check if a String contains another String in a case insensitive manner in Java?
...ern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since i...
How to compare two colors for similarity/difference
...'s article on Color Difference for the right leads.
Basically, you want to compute a distance metric in some multidimensional colorspace.
But RGB is not "perceptually uniform", so your Euclidean RGB distance metric suggested by Vadim will not match the human-perceived distance between colors. For a...
What are the differences between “git commit” and “git push”?
In a Git tutorial I'm going through, git commit is used to store the changes you've made.
15 Answers
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Strip all non-numeric characters from string in JavaScript
...ons.info/reference.html The built-in character classes each have built-in complements. \d \D (digits versus everything but digits) \w \W (word charcters versus everything but word characters) \s \S (whitespace versus everything but whitespace)
– csj
Dec 7 '09 ...
Difference between $(window).load() and $(document).ready() functions
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@MichaelButler: You need to be more clear in your comment. 1) You're talking about the USER executing more $(document).ready code after the DOM is ready. That's such a small use case that it probably wasn't worth confusing everyone with mentioning it. 2) The ENVIRONMENT on...
HTML minification? [closed]
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Perhaps try HTML Compressor, here's a before and after table showing what it can do (including for Stack Overflow itself):
It features many selections for optimizing your pages up to and including script minimizing (ompressor, Google Closu...
What does PermGen actually stand for?
... no longer allocated in the permanent generation of the Java heap": oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html
– almalkawi
Dec 20 '13 at 18:41
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