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What is a plain English explanation of “Big O” notation?
...ned, you can mouse over the spoilers for minor sidenotes]
(with credit to https://stackoverflow.com/a/487292/711085 )
(technically the constant factor could maybe matter in some more esoteric examples, but I've phrased things above (e.g. in log(N)) such that it doesn't)
These are the bread-and-bu...
getting date format m-d-Y H:i:s.u from milliseconds
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Always scroll down in StackOverflow
– tom10271
Aug 12 '19 at 2:24
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Memoization in Haskell?
...t above, but instead of taking linear time to find each node, can chase it down in logarithmic time.
The result is considerably faster:
*Main> fastest_f 12380192300
67652175206
*Main> fastest_f 12793129379123
120695231674999
In fact it is so much faster that you can go through and replace...
JavaScript: Object Rename Key
...veat is that if the new key name already exists, its value is going to get down trodden: jsfiddle.net/ryurage/B7x8x
– Brandon Minton
Jul 22 '14 at 16:06
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Inner text shadow with CSS
...ip: text;
text-shadow: 0px 2px 5px #f9c800;
}
See the final result.
Downsides?
Only works in Webkit (background-clip can't be text).
Multiple shadows? Don't even think.
You get an outer glow too.
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Hidden Features of PHP? [closed]
...seen other documentations have those. They can contain real gems. The only downside is that IMHO they a pruned little too soon.
– Sander Marechal
Jun 21 '09 at 22:37
3
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Upload files with HTTPWebrequest (multipart/form-data)
...lues, setting credentials and cookies, etc.
Edit: looks like Axosoft took down the page. Thanks guys.
It's still accessible via archive.org.
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f...
Should programmers use SSIS, and if so, why? [closed]
... C# and VB.NET scripts mixed in at the points where the abstractions break down. To figure out what each "Execute SQL Task" or "Foreach Loop" does, I have to double click the damned thing and browse through a tree of literal values and expressions, scattered across multiple tabs.
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What's an easy way to read random line from a file in Unix command line?
... Just for the purposes of inclusion (in case the referred site goes down), here's the code that Tracker1 pointed to: "cat filename | perl -e 'while (<>) { push(@_,$_); } print @_[rand()*@_];';"
– Anirvan
Jan 15 '09 at 19:16
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Getting value of select (dropdown) before change
The thing I want to achieve is whenever the <select> dropdown is changed I want the value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change.
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