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Grouping functions (tapply, by, aggregate) and the *apply family
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1344
+100
R has ...
Counting the Number of keywords in a dictionary in python
...dictionaries?
– theJollySin
Mar 1 '13 at 3:40
5
Both len(yourdict.keys()) and len(yourdict) are O...
What is the difference between quiet NaN and signaling NaN?
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answered Aug 8 '13 at 5:41
wrdieterwrdieter
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How to use timeit module
...int min(timeit.Timer('a=s[:]; timsort(a)', setup=setup).repeat(7, 1000))
0.334147930145
Note that the series of statements makes a fresh copy of the unsorted data on every pass.
Also, note the timing technique of running the measurement suite seven times and keeping only the best time -- this can...
Error:(1, 0) Plugin with id 'com.android.application' not found
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Updated Answer (Apr. 10, 2020)
Latest Gradle: 6.3
Version check:
./gradlew -v
How to update:
Set URL: ./gradlew wrapper --gradle-version=3.6.2 --distribution-type=all
Update: ./gradlew wrapper
Latest Android Gradle Plugin: 3.6.2
If you add the following code snippet to...
Image Greyscale with CSS & re-color on mouse-over?
...scale {
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");...
Is it possible to use raw SQL within a Spring Repository
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135
The @Query annotation allows to execute native queries by setting the nativeQuery flag to tr...
Citing the author of a blockquote using Markdown syntax
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edited Sep 4 '15 at 12:35
answered Jan 4 '10 at 20:51
ce...
Measuring text width to be drawn on Canvas ( Android )
... Marc BernsteinMarc Bernstein
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21
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Converting an array of objects to ActiveRecord::Relation
...al data.
However, if what you want is a relation then:
for ActiveRecord 3.x, don’t call all and instead call scoped, which will give back a Relation which represents the same records that all would give you in an Array.
for ActiveRecord 4.x, simply call all, which returns a Relation.
When ...