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Detecting 'stealth' web-crawlers
...milar detection system based on hit-rate-limiting, be sure to use at least one-minute (and preferably at least five-minute) totals. I see a lot of people talking about these kinds of schemes who want to block anyone who tops 5-10 hits in a second, which may generate false positives on image-heavy p...
How to remove “index.php” in codeigniter's path
...lder1/subfolder2/index.php/$1 [L]
Just play around with these options, one should work. Also, make sure your index file is set to:
$config['index_page'] = '';
Good luck!
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How to check if a string is a valid date
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Here is a simple one liner:
DateTime.parse date rescue nil
I probably wouldn't recommend doing exactly this in every situation in real life as you force the caller to check for nil, eg. particularly when formatting. If you return a default...
What's the difference between event.stopPropagation and event.preventDefault?
They seem to be doing the same thing...
Is one modern and one old? Or are they supported by different browsers?
7 Answers...
Convert a negative number to a positive one in JavaScript
... 100; ~x+1 === -100. Math.abs always makes it a positive whilst taking the ones complement simply inverts the sign.
– jduncanator
Dec 18 '14 at 12:53
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Why not use tables for layout in HTML? [closed]
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I'm going to go through your arguments one after another and try to show the errors in them.
It's good to separate content from layout
But this is a fallacious argument; Cliché Thinking.
It's not fallacious at all because HTML was designed intentionally....
How to implement an abstract class in ruby?
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You are replacing a one line method with meta-programming, now need to include a mixin and call a method. I don't think this is more declarative at all.
– Pascal
Dec 7 '14 at 13:47
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How to see the changes between two commits without commits in-between?
... answered Jul 28 '09 at 1:11
OneOfOneOneOfOne
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Is embedding background image data into CSS as Base64 good or bad practice?
...t see a problem to embed it into your CSS file. But once you use more than one image or need to reference it multiple times in your CSS, you might consider using a single image map instead you can then crop your single images from (see CSS Sprites).
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How to calculate a logistic sigmoid function in Python?
...1344091512
Update: Note that the above was mainly intended as a straight one-to-one translation of the given expression into Python code. It is not tested or known to be a numerically sound implementation. If you know you need a very robust implementation, I'm sure there are others where people ha...