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What is the difference between map and flatMap and a good use case for each?
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res0: Array[String] = Array("Roses are red", "Violets are blue")
Now, map transforms an RDD of length N into another RDD of length N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
res1: Array[Int] = Array(13, 16)
But flatMap (loosely speaking...
What is causing “Unable to allocate memory for pool” in PHP?
... when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's more efficient to keep opcode in ram rather than having...
How do I embed a single file from a GitHub gist with the new gist interface?
... gist. The old interface had embed code for each file in the gist. Anyone know if there's a trick to embed a single file?
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PHP function to build query string from array
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@ceejayoz Well you've known it for a long time now... Your wish has come true?
– Andrew
Nov 30 '16 at 19:56
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How do I use .woff fonts for my website?
...l('Awesome-Font-Regular'), url(path/Awesome-Font.woff) format('woff');
}
Now if you want to apply this font to a paragraph simply use it like this..
p {
font-family: 'Awesome-Font', Arial;
}
More Reference
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iOS Image Orientation has Strange Behavior
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The first exif link is broken now, and the second has been updated to exif.regex.info/exif.cgi I tried to edit the answer but @cj-dennis rejected it for some reason.
– Ryan
Apr 12 '18 at 5:19
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Possible to make labels appear when hovering over a point in matplotlib?
...the scatter plot would be unreadable if I labeled each point. Does anyone know of a way to create labels that only appear when the cursor hovers in the vicinity of that point?
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How to exit pdb and allow program to continue?
...d show
something like: (pdb) .....
- switch back to pdb, then press Enter, now you are all set, pdb command
shell reappear again
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?: operator (the 'Elvis operator') in PHP
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What the heck? I just find this out now, right after upgrading to PHP 7? I could have been using this for years!
– Buttle Butkus
Feb 27 '19 at 5:56
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“for” vs “each” in Ruby
... graysoftinc.com/early-steps/the-evils-of-the-for-loop is the new link, now that JEG2's site is back online.
– pnomolos
Jun 11 '14 at 23:32
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