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Why does my application spend 24% of its life doing a null check?
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MIN/MAX vs ORDER BY and LIMIT
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130
In the worst case, where you're looking at an unindexed field, using MIN() requires a single fu...
How to interpret API documentation function parameters?
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93
+25
So why is...
Android imageview not respecting maxWidth?
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304
Ah,
android:adjustViewBounds="true"
is required for maxWidth to work.
Works now!
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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answered Nov 30 '12 at 11:03
a_horse_with_no_namea_horse_with_no_name
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Argparse: Required arguments listed under “optional arguments”?
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327
Parameters starting with - or -- are usually considered optional. All other parameters are pos...
Android: “Path for project must have only one segment”
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answered Feb 10 '11 at 18:43
Android EveAndroid Eve
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How do I temporarily disable triggers in PostgreSQL?
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SET session_replication_role = DEFAULT;
Source: http://koo.fi/blog/2013/01/08/disable-postgresql-triggers-temporarily/
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Member initialization while using delegated constructor
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edited Aug 30 '12 at 5:34
answered Aug 30 '12 at 4:55
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How to succinctly write a formula with many variables from a data frame?
... the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ . - x3, data = d)
Technically, . means all ...