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Parsing huge logfiles in Node.js - read in line-by-line
...ing I used a 2.1 gb file with 17.000.000 records. Ram usage did not exceed 60 mb.
First, install the event-stream package:
npm install event-stream
Then:
var fs = require('fs')
, es = require('event-stream');
var lineNr = 0;
var s = fs.createReadStream('very-large-file.csv')
.pipe(es....
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
....98,
1.0, 1.06, 1.12, 1.18, 1.24, 1.30, 1.36, 1.42, 1.48, 1.54,
1.60, 1.66, 1.72, 1.78, 1.84, 1.90, 1.96, 2.0, 2.12, 2.25,
2.37, 2.50, 2.62, 2.75, 2.87, 3.0, 3.2, 3.4, 3.6, 3.8,
4.0, 4.3, 4.7, 4.9, 5.0, 5.5, 6.0, 6.5, 6.8, 7.0,
7.3, 7.5, 7.8, 8.0, 8.4, 8.7, ...
Detecting iOS / Android Operating system
...rn this: Safari: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0 Safari/605.1.15
– Ivan Ferrer
Jun 9 at 18:24
...
How do I center floated elements?
...structure/pagination-button-last.png);
}
.pagination a.first {
width: 60px;
background: url(/images/structure/pagination-button-first.png);
}
<div class='pagination'>
<a class='first' href='#'>First</a>
<a href='#'>1</a>
<a href='#'>2</a>
...
NPM - How to fix “No readme data”
...eck the remote website deploy info.
eg.should like this:
SOME_PACKAGEs@0.3.60-beta | Proprietary | deps: 14 | versions: 289
<span style="color:red;">最新日志倒序在这里增加，注明作者+日期+功能</span>
dist
.tarball: https://registry.npmjs.org/xxx/-/xxx-0.3.60-beta.tgz
...
Python timedelta in years
...t and years. E.g.
delta_in_days / (365.25)
delta_in_seconds / (365.25*24*60*60)
...or whatever. Stay away from months, since they are even less well defined than years.
share
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improve this ans...
How to draw a circle with text in the middle?
...
cimmanoncimmanon
60.3k1212 gold badges145145 silver badges157157 bronze badges
...
Difference between wait and sleep
...
@DomainsFeatured: No, wait 60 waits for job 60 to finish
– Colin Pitrat
Aug 3 '16 at 10:59
add a comment
| ...
Resize HTML5 canvas to fit window
...;
ctx.fillRect(25,25,100,100);
ctx.clearRect(45,45,60,60);
ctx.strokeRect(50,50,50,50);
}
</script>
</body>
</html>
Link to the example: http://temporaer.net/open/so/140502_canvas-fit-to-window.html
But take care, as @jerseyboy sta...
Elegant method to generate array of random dates within two dates
...
Tomasz NurkiewiczTomasz Nurkiewicz
301k6060 gold badges648648 silver badges639639 bronze badges
...