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Extract a dplyr tbl column as a vector
...ge:base':
#>
#> intersect, setdiff, setequal, union
db <- src_sqlite(tempfile(), create = TRUE)
iris2 <- copy_to(db, iris)
vec <- pull(iris2, Species)
head(vec)
#> [1] "setosa" "setosa" "setosa" "setosa" "setosa" "setosa"
...
The smallest difference between 2 Angles
... new formula into my code upstairs and see what becomes of it! ( thankyou ^_^ )
– Tom J Nowell
Jan 5 '10 at 17:25
1
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Is there any way to see the file system on the iOS simulator?
...shes, use this command to actually get to the app's files: xcrun simctl get_app_container booted my.app.id data
– hyperknot
Nov 27 '17 at 14:41
add a comment
...
Loaded nib but the 'view' outlet was not set
...xception 'NSInternalInconsistencyException', reason:
'-[UIViewController _loadViewFromNibNamed:bundle:] loaded the
"MySettingsView" nib but the view outlet was not set.'
It was evidently still "confused", trying to load MySettingsView.xib instead of MySettingsView Controller.xib. Maybe its "do...
Hash String via SHA-256 in Java
...e this to UTF-16 if needed
md.update(text.getBytes(StandardCharsets.UTF_8));
byte[] digest = md.digest();
String hex = String.format("%064x", new BigInteger(1, digest));
System.out.println(hex);
}
}
In the snippet above, digest contains the hashed string and hex contains a hexad...
Using custom fonts using CSS?
...besom.ttf') format('truetype'),
url('fonts/besom/besom.svg#besom_2regular') format('svg');
font-weight: normal;
font-style: normal;
}
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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
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I wonder if this is related to when you change the JAVA_HOME environment variable? I had changed my JAVA_HOME variable and this popped up. I just removed/readded the JRE library.
– user2124871
Sep 23 '16 at 15:15
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How to show the text on a ImageButton?
...r instance:
<Button
android:id="@+id/buttonok"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/buttonok"
android:text="OK"/>
You can put the drawable wherever you want by using: drawableTop, drawableBottom, draw...
How to sort an array of integers correctly
... answered Nov 17 '18 at 21:01
dy_dy_
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How do you know a variable type in java?
... answered Feb 5 '14 at 4:24
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