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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...
Why use strict and warnings?
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edited Jan 25 '18 at 15:36
answered Nov 6 '11 at 0:00
ikeg...
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...
How to query SOLR for empty fields?
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netcodernetcoder
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
...ckage name you may be substituting in place of psycopg2.
UPDATE [2014-05-16]: Apple has fixed this problem with updated system Pythons (2.7, 2.6, and 2.5) in OS X 10.9.3 so the workaround is no longer necessary when using the latest Mavericks and Xcode 5.1+. However, as of now, the workaround is s...
How to smooth a curve in the right way?
...w+1][::-1] - y[0] )
– March Ho
Jan 26 '15 at 15:43
5
If the x data is not spaced regularly you mi...
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...
In Python, how can you load YAML mappings as OrderedDicts?
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Update: In python 3.6+ you probably don't need OrderedDict at all due to the new dict implementation that has been in use in pypy for some time (although considered CPython implementation detail for now).
Update: In python 3.7+, the insertion-o...
Example for boost shared_mutex (multiple reads/one write)?
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6 Answers
6
Active
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Check if event exists on element [duplicate]
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answered Oct 3 '09 at 22:56
meder omuralievmeder omuraliev
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