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How can I conditionally require form inputs with AngularJS?
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answered Nov 20 '12 at 3:24
Christian SmithChristian Smith
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How can I find the first occurrence of a sub-string in a python string?
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answered Jul 11 '10 at 4:50
mechanical_meatmechanical_meat
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how to make svn diff show only non-whitespace line changes between two revisions
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You can use
svn diff -r 100:200 -x -b > file.diff
If you want to ignore all whitespaces:
svn diff -x -w | less
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MongoDB, remove object from array
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try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } },
false,
true
);
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Can I add comments to a pip requirements file?
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edited Jun 10 at 6:09
V. K.
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answer...
IN vs OR in the SQL WHERE Clause
... your specific data to see which is faster.
I tried both on a MySQL with 1000000 rows. When the column is indexed there is no discernable difference in performance - both are nearly instant. When the column is not indexed I got these results:
SELECT COUNT(*) FROM t_inner WHERE val IN (1000, 2000, ...
Difference between Xcode version (CFBundleShortVersionString) and build (CFBundleVersion)
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edited Jul 20 '12 at 17:36
answered Jul 30 '11 at 6:10
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passing several arguments to FUN of lapply (and others *apply)
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answered Jan 20 '13 at 17:41
Jonathan ChristensenJonathan Christensen
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Update or Insert (multiple rows and columns) from subquery in PostgreSQL
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edited Sep 17 '10 at 16:14
Milen A. Radev
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RelativeLayout is taking fullscreen for wrap_content
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edited Jun 20 at 9:12
Community♦
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answered Jun 26 '11 at 20:15
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