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When to add what indexes in a table in Rails
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jigfoxjigfox
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Linq Syntax - Selecting multiple columns
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Adam RalphAdam Ralph
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add a comm...
dpi value of default “large”, “medium” and “small” text views android
...e name="TextAppearance.Small">
<item name="android:textSize">14sp</item>
<item name="android:textColor">?textColorSecondary</item>
</style>
TextAppearance.Large means style is inheriting from TextAppearance style, you have to trace it also if you want to se...
How can we access context of an application in Robolectric?
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Foreign key from one app into another in Django
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answered Nov 27 '08 at 14:27
Michael WarkentinMichael Warkentin
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Save file to specific folder with curl command
... techtonik
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answered May 3 '13 at 16:00
AtleAtle
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
...th for compiling the main sources.
+--- com.commonsware.cwac:camera-v9:0.5.4
| +--- com.actionbarsherlock:actionbarsherlock:4.4.0
| | \--- com.google.android:support-v4:r7
| +--- com.commonsware.cwac:camera:0.5.4
| \--- com.android.support:support-v4:18.0.+ -> 18.0.0
\--- com.andro...
What are the differences between numpy arrays and matrices? Which one should I use?
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edited May 7 at 14:10
hashlash
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answered Apr 11 at 11:52
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Relative frequencies / proportions with dplyr
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mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That makes it easy to prog...
Confusion between numpy, scipy, matplotlib and pylab
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Benjamin BannierBenjamin Bannier
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