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How to implement an abstract class in ruby?
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61
I don't like using abstract classes in Ruby (there's almost always a better way). If you really...
Reading a huge .csv file
....7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
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How to increase the vertical split window size in Vim
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edited Sep 6 '12 at 21:30
Keith Pinson
6,75555 gold badges5252 silver badges9494 bronze badges
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Temporarily disable auto_now / auto_now_add
...o_now field option
– NoamG
May 24 '16 at 12:44
@NoamG I think this is a rare case where this update() behaviour is exa...
How to query SOLR for empty fields?
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netcodernetcoder
60k1616 gold badges116116 silver badges139139 bronze badges
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Add a column with a default value to an existing table in SQL Server
... a Default-Contraint with a funny Name like: DF__SomeTa__SomeC__4FB7FEF6
Optional With-Values Statement:
The WITH VALUES is only needed when your Column is Nullable
and you want the Default Value used for Existing Records.
If your Column is NOT NULL, then it will automatically use the Defa...
Check if event exists on element [duplicate]
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answered Oct 3 '09 at 22:56
meder omuralievmeder omuraliev
166k6262 gold badges359359 silver badges420420 bronze badges
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How to save an HTML5 Canvas as an image on a server?
... context.closePath();
context.lineWidth = 5;
context.fillStyle = '#8ED6FF';
context.fill();
context.strokeStyle = 'blue';
context.stroke();
</script>
Convert canvas image to URL format (base64)
var dataURL = canvas.toDataURL();
Send it to your server via Ajax
$.aja...
python assert with and without parenthesis
...possible.
– stantonk
Apr 11 '13 at 16:53
4
stackoverflow.com/questions/16065482/…
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